COMPANY-SPONSORED EMPLOYEE BENEFIT PLANS - Fair Values of U.S. Pension and Postretirement Benefit Plan Assets by Asset Category as Well as the Percentage That Each Category Comprises of Total Plan Assets and the Respective Target Allocations (Detail) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | 12 Months Ended | 12 Months Ended | 12 Months Ended | 12 Months Ended | 12 Months Ended | 12 Months Ended | 12 Months Ended | 12 Months Ended | 12 Months Ended | 12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2013
Fair Value, Inputs, Level 1
|
Dec. 31, 2012
Fair Value, Inputs, Level 1
|
Dec. 31, 2013
Fair Value, Inputs, Level 2
|
Dec. 31, 2012
Fair Value, Inputs, Level 2
|
Dec. 31, 2013
Fair Value, Inputs, Level 3
|
Dec. 31, 2012
Fair Value, Inputs, Level 3
|
Dec. 31, 2011
Fair Value, Inputs, Level 3
|
Dec. 31, 2013
Fair Value, Inputs, Level 3
Global Bonds
|
Dec. 31, 2012
Fair Value, Inputs, Level 3
Global Bonds
|
Dec. 31, 2011
Fair Value, Inputs, Level 3
Global Bonds
|
Dec. 31, 2013
Fair Value, Inputs, Level 3
Hedge Funds
|
Dec. 31, 2012
Fair Value, Inputs, Level 3
Hedge Funds
|
Dec. 31, 2011
Fair Value, Inputs, Level 3
Hedge Funds
|
Dec. 31, 2013
Fair Value, Inputs, Level 3
Other(2)
|
Dec. 31, 2012
Fair Value, Inputs, Level 3
Other(2)
|
Dec. 31, 2011
Fair Value, Inputs, Level 3
Other(2)
|
Dec. 31, 2013
Fair Value, Inputs, Level 3
Structured Products(1)
|
Dec. 31, 2012
Fair Value, Inputs, Level 3
Structured Products(1)
|
Dec. 31, 2011
Fair Value, Inputs, Level 3
Structured Products(1)
|
Dec. 31, 2013
Fair Value, Inputs, Level 3
Other
|
Dec. 31, 2012
Fair Value, Inputs, Level 3
Other
|
Dec. 31, 2011
Fair Value, Inputs, Level 3
Other
|
Dec. 31, 2013
U.S. Postretirement Medical Benefits
|
Dec. 31, 2012
U.S. Postretirement Medical Benefits
|
Dec. 31, 2013
Domestic
|
Dec. 31, 2012
Domestic
|
Dec. 31, 2013
Domestic
Cash and Cash Equivalents
|
Dec. 31, 2012
Domestic
Cash and Cash Equivalents
|
Dec. 31, 2013
Domestic
Fair Value, Inputs, Level 1
|
Dec. 31, 2012
Domestic
Fair Value, Inputs, Level 1
|
Dec. 31, 2013
Domestic
Fair Value, Inputs, Level 1
Cash and Cash Equivalents
|
Dec. 31, 2012
Domestic
Fair Value, Inputs, Level 1
Cash and Cash Equivalents
|
Dec. 31, 2013
Domestic
Fair Value, Inputs, Level 2
|
Dec. 31, 2012
Domestic
Fair Value, Inputs, Level 2
|
Dec. 31, 2013
Domestic
Fair Value, Inputs, Level 2
Cash and Cash Equivalents
|
Dec. 31, 2012
Domestic
Fair Value, Inputs, Level 2
Cash and Cash Equivalents
|
Dec. 31, 2013
Domestic
Fair Value, Inputs, Level 3
|
Dec. 31, 2012
Domestic
Fair Value, Inputs, Level 3
|
Dec. 31, 2013
Domestic
Fair Value, Inputs, Level 3
Cash and Cash Equivalents
|
Dec. 31, 2012
Domestic
Fair Value, Inputs, Level 3
Cash and Cash Equivalents
|
Dec. 31, 2013
Domestic
Equity Securities [Member]
|
Dec. 31, 2012
Domestic
Equity Securities [Member]
|
Dec. 31, 2013
Domestic
Equity Securities [Member]
U.S. Large Cap
|
Dec. 31, 2012
Domestic
Equity Securities [Member]
U.S. Large Cap
|
Dec. 31, 2013
Domestic
Equity Securities [Member]
U.S. Small Cap
|
Dec. 31, 2012
Domestic
Equity Securities [Member]
U.S. Small Cap
|
Dec. 31, 2013
Domestic
Equity Securities [Member]
Emerging Markets
|
Dec. 31, 2012
Domestic
Equity Securities [Member]
Emerging Markets
|
Dec. 31, 2013
Domestic
Equity Securities [Member]
Global Equity
|
Dec. 31, 2012
Domestic
Equity Securities [Member]
Global Equity
|
Dec. 31, 2013
Domestic
Equity Securities [Member]
International Equity
|
Dec. 31, 2012
Domestic
Equity Securities [Member]
International Equity
|
Dec. 31, 2013
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 1
|
Dec. 31, 2012
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 1
|
Dec. 31, 2013
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 1
U.S. Large Cap
|
Dec. 31, 2012
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 1
U.S. Large Cap
|
Dec. 31, 2013
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 1
U.S. Small Cap
|
Dec. 31, 2012
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 1
U.S. Small Cap
|
Dec. 31, 2013
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 1
Emerging Markets
|
Dec. 31, 2012
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 1
Emerging Markets
|
Dec. 31, 2013
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 1
Global Equity
|
Dec. 31, 2012
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 1
Global Equity
|
Dec. 31, 2013
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 1
International Equity
|
Dec. 31, 2012
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 1
International Equity
|
Dec. 31, 2013
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 2
|
Dec. 31, 2012
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 2
|
Dec. 31, 2013
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 2
U.S. Large Cap
|
Dec. 31, 2012
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 2
U.S. Large Cap
|
Dec. 31, 2013
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 2
U.S. Small Cap
|
Dec. 31, 2012
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 2
U.S. Small Cap
|
Dec. 31, 2013
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 2
Emerging Markets
|
Dec. 31, 2012
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 2
Emerging Markets
|
Dec. 31, 2013
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 2
Global Equity
|
Dec. 31, 2012
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 2
Global Equity
|
Dec. 31, 2013
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 2
International Equity
|
Dec. 31, 2012
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 2
International Equity
|
Dec. 31, 2013
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 3
|
Dec. 31, 2012
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 3
|
Dec. 31, 2013
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 3
U.S. Large Cap
|
Dec. 31, 2012
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 3
U.S. Large Cap
|
Dec. 31, 2013
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 3
U.S. Small Cap
|
Dec. 31, 2012
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 3
U.S. Small Cap
|
Dec. 31, 2013
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 3
Emerging Markets
|
Dec. 31, 2012
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 3
Emerging Markets
|
Dec. 31, 2013
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 3
Global Equity
|
Dec. 31, 2012
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 3
Global Equity
|
Dec. 31, 2013
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 3
International Equity
|
Dec. 31, 2012
Domestic
Equity Securities [Member]
Fair Value, Inputs, Level 3
International Equity
|
Dec. 31, 2013
Domestic
Fixed Income Securities
|
Dec. 31, 2012
Domestic
Fixed Income Securities
|
Dec. 31, 2013
Domestic
Fixed Income Securities
Global Equity
|
Dec. 31, 2012
Domestic
Fixed Income Securities
Global Equity
|
Dec. 31, 2013
Domestic
Fixed Income Securities
U.S. Government Securities
|
Dec. 31, 2012
Domestic
Fixed Income Securities
U.S. Government Securities
|
Dec. 31, 2013
Domestic
Fixed Income Securities
Global Bonds
|
Dec. 31, 2012
Domestic
Fixed Income Securities
Global Bonds
|
Dec. 31, 2013
Domestic
Fixed Income Securities
Municipal Bonds
|
Dec. 31, 2012
Domestic
Fixed Income Securities
Municipal Bonds
|
Dec. 31, 2013
Domestic
Fixed Income Securities
Fair Value, Inputs, Level 1
|
Dec. 31, 2012
Domestic
Fixed Income Securities
Fair Value, Inputs, Level 1
|
Dec. 31, 2013
Domestic
Fixed Income Securities
Fair Value, Inputs, Level 1
Global Equity
|
Dec. 31, 2012
Domestic
Fixed Income Securities
Fair Value, Inputs, Level 1
Global Equity
|
Dec. 31, 2013
Domestic
Fixed Income Securities
Fair Value, Inputs, Level 1
U.S. Government Securities
|
Dec. 31, 2012
Domestic
Fixed Income Securities
Fair Value, Inputs, Level 1
U.S. Government Securities
|
Dec. 31, 2013
Domestic
Fixed Income Securities
Fair Value, Inputs, Level 1
Global Bonds
|
Dec. 31, 2012
Domestic
Fixed Income Securities
Fair Value, Inputs, Level 1
Global Bonds
|
Dec. 31, 2013
Domestic
Fixed Income Securities
Fair Value, Inputs, Level 1
Municipal Bonds
|
Dec. 31, 2012
Domestic
Fixed Income Securities
Fair Value, Inputs, Level 1
Municipal Bonds
|
Dec. 31, 2013
Domestic
Fixed Income Securities
Fair Value, Inputs, Level 2
|
Dec. 31, 2012
Domestic
Fixed Income Securities
Fair Value, Inputs, Level 2
|
Dec. 31, 2013
Domestic
Fixed Income Securities
Fair Value, Inputs, Level 2
Global Equity
|
Dec. 31, 2012
Domestic
Fixed Income Securities
Fair Value, Inputs, Level 2
Global Equity
|
Dec. 31, 2013
Domestic
Fixed Income Securities
Fair Value, Inputs, Level 2
U.S. Government Securities
|
Dec. 31, 2012
Domestic
Fixed Income Securities
Fair Value, Inputs, Level 2
U.S. Government Securities
|
Dec. 31, 2013
Domestic
Fixed Income Securities
Fair Value, Inputs, Level 2
Global Bonds
|
Dec. 31, 2012
Domestic
Fixed Income Securities
Fair Value, Inputs, Level 2
Global Bonds
|
Dec. 31, 2013
Domestic
Fixed Income Securities
Fair Value, Inputs, Level 2
Municipal Bonds
|
Dec. 31, 2012
Domestic
Fixed Income Securities
Fair Value, Inputs, Level 2
Municipal Bonds
|
Dec. 31, 2013
Domestic
Fixed Income Securities
Fair Value, Inputs, Level 3
|
Dec. 31, 2012
Domestic
Fixed Income Securities
Fair Value, Inputs, Level 3
|
Dec. 31, 2013
Domestic
Fixed Income Securities
Fair Value, Inputs, Level 3
Global Equity
|
Dec. 31, 2012
Domestic
Fixed Income Securities
Fair Value, Inputs, Level 3
Global Equity
|
Dec. 31, 2013
Domestic
Fixed Income Securities
Fair Value, Inputs, Level 3
U.S. Government Securities
|
Dec. 31, 2012
Domestic
Fixed Income Securities
Fair Value, Inputs, Level 3
U.S. Government Securities
|
Dec. 31, 2013
Domestic
Fixed Income Securities
Fair Value, Inputs, Level 3
Global Bonds
|
Dec. 31, 2012
Domestic
Fixed Income Securities
Fair Value, Inputs, Level 3
Global Bonds
|
Dec. 31, 2013
Domestic
Fixed Income Securities
Fair Value, Inputs, Level 3
Municipal Bonds
|
Dec. 31, 2012
Domestic
Fixed Income Securities
Fair Value, Inputs, Level 3
Municipal Bonds
|
Dec. 31, 2013
Domestic
Other Investments [Member]
Hedge Funds
|
Dec. 31, 2012
Domestic
Other Investments [Member]
Hedge Funds
|
Dec. 31, 2013
Domestic
Other Investments [Member]
Other(2)
|
Dec. 31, 2012
Domestic
Other Investments [Member]
Other(2)
|
Dec. 31, 2013
Domestic
Other Investments [Member]
Structured Products(1)
|
Dec. 31, 2012
Domestic
Other Investments [Member]
Structured Products(1)
|
Dec. 31, 2012
Domestic
Other Investments [Member]
Asset-backed Securities [Member]
|
Dec. 31, 2013
Domestic
Other Investments [Member]
Structured Products [Member]
|
Dec. 31, 2012
Domestic
Other Investments [Member]
Structured Products [Member]
|
Dec. 31, 2013
Domestic
Other Investments [Member]
Other
|
Dec. 31, 2012
Domestic
Other Investments [Member]
Other
|
Dec. 31, 2013
Domestic
Other Investments [Member]
Fair Value, Inputs, Level 1
Hedge Funds
|
Dec. 31, 2012
Domestic
Other Investments [Member]
Fair Value, Inputs, Level 1
Hedge Funds
|
Dec. 31, 2013
Domestic
Other Investments [Member]
Fair Value, Inputs, Level 1
Other(2)
|
Dec. 31, 2012
Domestic
Other Investments [Member]
Fair Value, Inputs, Level 1
Other(2)
|
Dec. 31, 2013
Domestic
Other Investments [Member]
Fair Value, Inputs, Level 1
Structured Products(1)
|
Dec. 31, 2012
Domestic
Other Investments [Member]
Fair Value, Inputs, Level 1
Structured Products(1)
|
Dec. 31, 2012
Domestic
Other Investments [Member]
Fair Value, Inputs, Level 1
Asset-backed Securities [Member]
|
Dec. 31, 2013
Domestic
Other Investments [Member]
Fair Value, Inputs, Level 1
Structured Products [Member]
|
Dec. 31, 2013
Domestic
Other Investments [Member]
Fair Value, Inputs, Level 1
Other
|
Dec. 31, 2012
Domestic
Other Investments [Member]
Fair Value, Inputs, Level 1
Other
|
Dec. 31, 2013
Domestic
Other Investments [Member]
Fair Value, Inputs, Level 2
Hedge Funds
|
Dec. 31, 2012
Domestic
Other Investments [Member]
Fair Value, Inputs, Level 2
Hedge Funds
|
Dec. 31, 2013
Domestic
Other Investments [Member]
Fair Value, Inputs, Level 2
Other(2)
|
Dec. 31, 2012
Domestic
Other Investments [Member]
Fair Value, Inputs, Level 2
Other(2)
|
Dec. 31, 2013
Domestic
Other Investments [Member]
Fair Value, Inputs, Level 2
Structured Products(1)
|
Dec. 31, 2012
Domestic
Other Investments [Member]
Fair Value, Inputs, Level 2
Structured Products(1)
|
Dec. 31, 2012
Domestic
Other Investments [Member]
Fair Value, Inputs, Level 2
Asset-backed Securities [Member]
|
Dec. 31, 2013
Domestic
Other Investments [Member]
Fair Value, Inputs, Level 2
Structured Products [Member]
|
Dec. 31, 2013
Domestic
Other Investments [Member]
Fair Value, Inputs, Level 2
Other
|
Dec. 31, 2012
Domestic
Other Investments [Member]
Fair Value, Inputs, Level 2
Other
|
Dec. 31, 2013
Domestic
Other Investments [Member]
Fair Value, Inputs, Level 3
Hedge Funds
|
Dec. 31, 2012
Domestic
Other Investments [Member]
Fair Value, Inputs, Level 3
Hedge Funds
|
Dec. 31, 2013
Domestic
Other Investments [Member]
Fair Value, Inputs, Level 3
Other(2)
|
Dec. 31, 2012
Domestic
Other Investments [Member]
Fair Value, Inputs, Level 3
Other(2)
|
Dec. 31, 2013
Domestic
Other Investments [Member]
Fair Value, Inputs, Level 3
Structured Products(1)
|
Dec. 31, 2012
Domestic
Other Investments [Member]
Fair Value, Inputs, Level 3
Structured Products(1)
|
Dec. 31, 2012
Domestic
Other Investments [Member]
Fair Value, Inputs, Level 3
Asset-backed Securities [Member]
|
Dec. 31, 2013
Domestic
Other Investments [Member]
Fair Value, Inputs, Level 3
Structured Products [Member]
|
Dec. 31, 2013
Domestic
Other Investments [Member]
Fair Value, Inputs, Level 3
Other
|
Dec. 31, 2012
Domestic
Other Investments [Member]
Fair Value, Inputs, Level 3
Other
|
Dec. 31, 2013
International [Member]
|
Dec. 31, 2012
International [Member]
|
Dec. 31, 2013
International [Member]
Cash and Cash Equivalents
|
Dec. 31, 2012
International [Member]
Cash and Cash Equivalents
|
Dec. 31, 2013
International [Member]
Fair Value, Inputs, Level 1
|
Dec. 31, 2012
International [Member]
Fair Value, Inputs, Level 1
|
Dec. 31, 2013
International [Member]
Fair Value, Inputs, Level 1
Cash and Cash Equivalents
|
Dec. 31, 2012
International [Member]
Fair Value, Inputs, Level 1
Cash and Cash Equivalents
|
Dec. 31, 2013
International [Member]
Fair Value, Inputs, Level 2
|
Dec. 31, 2012
International [Member]
Fair Value, Inputs, Level 2
|
Dec. 31, 2013
International [Member]
Fair Value, Inputs, Level 2
Cash and Cash Equivalents
|
Dec. 31, 2012
International [Member]
Fair Value, Inputs, Level 2
Cash and Cash Equivalents
|
Dec. 31, 2013
International [Member]
Fair Value, Inputs, Level 3
|
Dec. 31, 2012
International [Member]
Fair Value, Inputs, Level 3
|
Dec. 31, 2013
International [Member]
Fair Value, Inputs, Level 3
Cash and Cash Equivalents
|
Dec. 31, 2012
International [Member]
Fair Value, Inputs, Level 3
Cash and Cash Equivalents
|
Dec. 31, 2013
International [Member]
Equity Securities [Member]
|
Dec. 31, 2012
International [Member]
Equity Securities [Member]
|
Dec. 31, 2013
International [Member]
Equity Securities [Member]
local market equity [Domain]
|
Dec. 31, 2012
International [Member]
Equity Securities [Member]
local market equity [Domain]
|
Dec. 31, 2013
International [Member]
Equity Securities [Member]
U.S. Equity [Domain]
|
Dec. 31, 2012
International [Member]
Equity Securities [Member]
U.S. Equity [Domain]
|
Dec. 31, 2013
International [Member]
Equity Securities [Member]
Emerging Markets
|
Dec. 31, 2013
International [Member]
Equity Securities [Member]
International Equity
|
Dec. 31, 2012
International [Member]
Equity Securities [Member]
International Equity
|
Dec. 31, 2013
International [Member]
Equity Securities [Member]
Fair Value, Inputs, Level 1
|
Dec. 31, 2012
International [Member]
Equity Securities [Member]
Fair Value, Inputs, Level 1
|
Dec. 31, 2013
International [Member]
Equity Securities [Member]
Fair Value, Inputs, Level 1
local market equity [Domain]
|
Dec. 31, 2012
International [Member]
Equity Securities [Member]
Fair Value, Inputs, Level 1
local market equity [Domain]
|
Dec. 31, 2013
International [Member]
Equity Securities [Member]
Fair Value, Inputs, Level 1
U.S. Equity [Domain]
|
Dec. 31, 2012
International [Member]
Equity Securities [Member]
Fair Value, Inputs, Level 1
U.S. Equity [Domain]
|
Dec. 31, 2013
International [Member]
Equity Securities [Member]
Fair Value, Inputs, Level 1
Emerging Markets
|
Dec. 31, 2013
International [Member]
Equity Securities [Member]
Fair Value, Inputs, Level 1
International Equity
|
Dec. 31, 2012
International [Member]
Equity Securities [Member]
Fair Value, Inputs, Level 1
International Equity
|
Dec. 31, 2013
International [Member]
Equity Securities [Member]
Fair Value, Inputs, Level 2
|
Dec. 31, 2012
International [Member]
Equity Securities [Member]
Fair Value, Inputs, Level 2
|
Dec. 31, 2013
International [Member]
Equity Securities [Member]
Fair Value, Inputs, Level 2
local market equity [Domain]
|
Dec. 31, 2012
International [Member]
Equity Securities [Member]
Fair Value, Inputs, Level 2
local market equity [Domain]
|
Dec. 31, 2013
International [Member]
Equity Securities [Member]
Fair Value, Inputs, Level 2
U.S. Equity [Domain]
|
Dec. 31, 2012
International [Member]
Equity Securities [Member]
Fair Value, Inputs, Level 2
U.S. Equity [Domain]
|
Dec. 31, 2013
International [Member]
Equity Securities [Member]
Fair Value, Inputs, Level 2
Emerging Markets
|
Dec. 31, 2013
International [Member]
Equity Securities [Member]
Fair Value, Inputs, Level 2
International Equity
|
Dec. 31, 2012
International [Member]
Equity Securities [Member]
Fair Value, Inputs, Level 2
International Equity
|
Dec. 31, 2013
International [Member]
Equity Securities [Member]
Fair Value, Inputs, Level 3
|
Dec. 31, 2012
International [Member]
Equity Securities [Member]
Fair Value, Inputs, Level 3
|
Dec. 31, 2013
International [Member]
Equity Securities [Member]
Fair Value, Inputs, Level 3
local market equity [Domain]
|
Dec. 31, 2012
International [Member]
Equity Securities [Member]
Fair Value, Inputs, Level 3
local market equity [Domain]
|
Dec. 31, 2013
International [Member]
Equity Securities [Member]
Fair Value, Inputs, Level 3
U.S. Equity [Domain]
|
Dec. 31, 2012
International [Member]
Equity Securities [Member]
Fair Value, Inputs, Level 3
U.S. Equity [Domain]
|
Dec. 31, 2013
International [Member]
Equity Securities [Member]
Fair Value, Inputs, Level 3
Emerging Markets
|
Dec. 31, 2013
International [Member]
Equity Securities [Member]
Fair Value, Inputs, Level 3
International Equity
|
Dec. 31, 2012
International [Member]
Equity Securities [Member]
Fair Value, Inputs, Level 3
International Equity
|
Dec. 31, 2013
International [Member]
Fixed Income Securities
|
Dec. 31, 2012
International [Member]
Fixed Income Securities
|
Dec. 31, 2013
International [Member]
Fixed Income Securities
Foreign Government Debt [Member]
|
Dec. 31, 2012
International [Member]
Fixed Income Securities
Foreign Government Debt [Member]
|
Dec. 31, 2013
International [Member]
Fixed Income Securities
Global Bonds
|
Dec. 31, 2012
International [Member]
Fixed Income Securities
Global Bonds
|
Dec. 31, 2013
International [Member]
Fixed Income Securities
Fair Value, Inputs, Level 1
|
Dec. 31, 2012
International [Member]
Fixed Income Securities
Fair Value, Inputs, Level 1
|
Dec. 31, 2013
International [Member]
Fixed Income Securities
Fair Value, Inputs, Level 1
Foreign Government Debt [Member]
|
Dec. 31, 2012
International [Member]
Fixed Income Securities
Fair Value, Inputs, Level 1
Foreign Government Debt [Member]
|
Dec. 31, 2013
International [Member]
Fixed Income Securities
Fair Value, Inputs, Level 1
Global Bonds
|
Dec. 31, 2012
International [Member]
Fixed Income Securities
Fair Value, Inputs, Level 1
Global Bonds
|
Dec. 31, 2013
International [Member]
Fixed Income Securities
Fair Value, Inputs, Level 2
|
Dec. 31, 2012
International [Member]
Fixed Income Securities
Fair Value, Inputs, Level 2
|
Dec. 31, 2013
International [Member]
Fixed Income Securities
Fair Value, Inputs, Level 2
Foreign Government Debt [Member]
|
Dec. 31, 2012
International [Member]
Fixed Income Securities
Fair Value, Inputs, Level 2
Foreign Government Debt [Member]
|
Dec. 31, 2013
International [Member]
Fixed Income Securities
Fair Value, Inputs, Level 2
Global Bonds
|
Dec. 31, 2012
International [Member]
Fixed Income Securities
Fair Value, Inputs, Level 2
Global Bonds
|
Dec. 31, 2013
International [Member]
Fixed Income Securities
Fair Value, Inputs, Level 3
|
Dec. 31, 2012
International [Member]
Fixed Income Securities
Fair Value, Inputs, Level 3
|
Dec. 31, 2013
International [Member]
Fixed Income Securities
Fair Value, Inputs, Level 3
Foreign Government Debt [Member]
|
Dec. 31, 2012
International [Member]
Fixed Income Securities
Fair Value, Inputs, Level 3
Foreign Government Debt [Member]
|
Dec. 31, 2013
International [Member]
Fixed Income Securities
Fair Value, Inputs, Level 3
Global Bonds
|
Dec. 31, 2012
International [Member]
Fixed Income Securities
Fair Value, Inputs, Level 3
Global Bonds
|
Dec. 31, 2013
International [Member]
Other Investments [Member]
Structured Products(1)
|
Dec. 31, 2012
International [Member]
Other Investments [Member]
Structured Products(1)
|
Dec. 31, 2013
International [Member]
Other Investments [Member]
Asset-backed Securities [Member]
|
Dec. 31, 2012
International [Member]
Other Investments [Member]
Asset-backed Securities [Member]
|
Dec. 31, 2013
International [Member]
Other Investments [Member]
Structured Products [Member]
|
Dec. 31, 2012
International [Member]
Other Investments [Member]
Structured Products [Member]
|
Dec. 31, 2013
International [Member]
Other Investments [Member]
Other
|
Dec. 31, 2012
International [Member]
Other Investments [Member]
Other
|
Dec. 31, 2013
International [Member]
Other Investments [Member]
Fair Value, Inputs, Level 1
Structured Products(1)
|
Dec. 31, 2012
International [Member]
Other Investments [Member]
Fair Value, Inputs, Level 1
Structured Products(1)
|
Dec. 31, 2013
International [Member]
Other Investments [Member]
Fair Value, Inputs, Level 1
Asset-backed Securities [Member]
|
Dec. 31, 2012
International [Member]
Other Investments [Member]
Fair Value, Inputs, Level 1
Asset-backed Securities [Member]
|
Dec. 31, 2013
International [Member]
Other Investments [Member]
Fair Value, Inputs, Level 1
Other
|
Dec. 31, 2012
International [Member]
Other Investments [Member]
Fair Value, Inputs, Level 1
Other
|
Dec. 31, 2013
International [Member]
Other Investments [Member]
Fair Value, Inputs, Level 2
Structured Products(1)
|
Dec. 31, 2012
International [Member]
Other Investments [Member]
Fair Value, Inputs, Level 2
Structured Products(1)
|
Dec. 31, 2013
International [Member]
Other Investments [Member]
Fair Value, Inputs, Level 2
Asset-backed Securities [Member]
|
Dec. 31, 2012
International [Member]
Other Investments [Member]
Fair Value, Inputs, Level 2
Asset-backed Securities [Member]
|
Dec. 31, 2013
International [Member]
Other Investments [Member]
Fair Value, Inputs, Level 2
Other
|
Dec. 31, 2012
International [Member]
Other Investments [Member]
Fair Value, Inputs, Level 2
Other
|
Dec. 31, 2013
International [Member]
Other Investments [Member]
Fair Value, Inputs, Level 3
Structured Products(1)
|
Dec. 31, 2012
International [Member]
Other Investments [Member]
Fair Value, Inputs, Level 3
Structured Products(1)
|
Dec. 31, 2013
International [Member]
Other Investments [Member]
Fair Value, Inputs, Level 3
Asset-backed Securities [Member]
|
Dec. 31, 2012
International [Member]
Other Investments [Member]
Fair Value, Inputs, Level 3
Asset-backed Securities [Member]
|
Dec. 31, 2013
International [Member]
Other Investments [Member]
Fair Value, Inputs, Level 3
Other
|
Dec. 31, 2012
International [Member]
Other Investments [Member]
Fair Value, Inputs, Level 3
Other
|
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Defined Benefit Plan Disclosure [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair value of plan assets | $ 27,510 | $ 26,202 | $ 12,080 | $ 11,496 | $ 8,170 | $ 7,873 | $ 7,260 | $ 6,833 | $ 5,158 | $ 223 | $ 138 | $ 80 | $ 3,738 | $ 2,829 | $ 2,132 | $ 1,397 | $ 1,416 | $ 1,354 | $ 1,091 | $ 1,039 | $ 948 | $ 811 | $ 1,411 | $ 644 | $ 355 | $ 460 | $ 26,579 | $ 25,401 | $ 626 | $ 242 | $ 11,669 | $ 11,139 | $ 112 | $ 103 | $ 7,705 | $ 7,478 | $ 514 | $ 139 | $ 7,205 | $ 6,784 | $ 0 | $ 0 | $ 10,462 | $ 9,852 | $ 4,212 | $ 4,710 | $ 507 | $ 481 | $ 1,367 | $ 1,283 | $ 2,154 | $ 2,242 | $ 2,222 | $ 1,136 | $ 7,519 | $ 6,842 | $ 2,264 | $ 2,548 | $ 457 | $ 450 | $ 1,247 | $ 1,160 | $ 2,154 | $ 2,242 | $ 1,397 | $ 442 | $ 2,943 | $ 3,010 | $ 1,948 | $ 2,162 | $ 50 | $ 31 | $ 120 | $ 123 | $ 0 | $ 0 | $ 825 | $ 694 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 7,877 | $ 8,251 | $ 681 | $ 457 | $ 4,361 | $ 4,451 | $ 2,780 | $ 3,260 | $ 55 | $ 83 | $ 3,753 | $ 4,017 | $ 0 | $ 0 | $ 3,746 | $ 4,008 | $ 7 | $ 9 | $ 0 | $ 0 | $ 3,901 | $ 4,096 | $ 681 | $ 457 | $ 615 | $ 443 | $ 2,550 | $ 3,113 | $ 55 | $ 83 | $ 223 | $ 138 | $ 0 | $ 0 | $ 0 | $ 0 | $ 223 | $ 138 | $ 0 | $ 0 | $ 3,738 | $ 2,829 | $ 1,397 | $ 1,416 | $ 1,397 | $ 1,239 | $ 210 | $ 326 | [1] | $ 756 | [2] | $ 1,362 | [2] | $ 0 | $ 0 | $ 0 | $ 0 | $ 285 | $ 177 | $ 0 | $ 0 | [1] | $ 0 | [2] | $ 0 | [2] | $ 0 | $ 0 | $ 0 | $ 0 | $ 21 | $ 23 | $ 210 | $ 326 | [1] | $ 0 | [2] | $ 0 | [2] | $ 3,738 | $ 2,829 | $ 1,397 | $ 1,416 | $ 1,091 | $ 1,039 | $ 0 | $ 0 | [1] | $ 756 | [2] | $ 1,362 | [2] | $ 931 | $ 801 | $ 28 | $ 22 | $ 411 | $ 357 | $ 11 | $ 5 | $ 465 | $ 395 | $ 17 | $ 17 | $ 55 | $ 49 | $ 0 | $ 0 | $ 422 | $ 341 | $ 219 | $ 197 | $ 17 | $ 14 | $ 19 | $ 167 | $ 130 | $ 246 | $ 203 | $ 122 | $ 118 | $ 17 | $ 14 | $ 19 | $ 88 | $ 71 | $ 176 | $ 138 | $ 97 | $ 79 | $ 0 | $ 0 | $ 0 | $ 79 | $ 59 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 239 | $ 219 | $ 68 | $ 64 | $ 171 | $ 155 | $ 154 | $ 149 | $ 68 | $ 64 | $ 86 | $ 85 | $ 85 | $ 70 | $ 0 | $ 0 | $ 85 | $ 70 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 63 | $ 46 | $ 55 | $ 49 | $ 124 | [2] | $ 124 | [2] | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | [2] | $ 0 | [2] | $ 63 | $ 46 | $ 0 | $ 0 | $ 124 | [2] | $ 124 | [2] | $ 0 | $ 0 | $ 55 | $ 49 | $ 0 | [2] | $ 0 | [2] | ||||||||||
Percentage of Plan Assets | 100.00% | 100.00% | 2.30% | 0.90% | 39.40% | 38.80% | 29.60% | 32.50% | 14.10% | 11.10% | 5.30% | 5.60% | 5.30% | 4.90% | 0.80% | 1.20% | [1] | 2.80% | [2] | 5.40% | [2] | 100.00% | 100.00% | 3.00% | 2.80% | 45.30% | 42.60% | 25.70% | 27.30% | 6.80% | 5.70% | 5.90% | 6.10% | 13.30% | [2] | 15.50% | [2] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Plan assets target allocation, Minimum | 0.00% | 0.00% | 25.00% | 35.00% | 15.00% | 25.00% | 8.00% | 5.00% | 3.00% | 1.00% | 3.00% | 1.00% | 0.00% | [1] | 0.00% | [1] | 1.00% | [2] | 1.00% | [2] | 0.00% | 0.00% | 50.00% | 50.00% | 15.00% | 15.00% | 0.00% | 0.00% | 0.00% | [1] | 0.00% | [1] | 0.00% | [2] | 0.00% | [2] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Plan assets target allocation, Maximum | 5.00% | 5.00% | 55.00% | 55.00% | 35.00% | 35.00% | 15.00% | 15.00% | 10.00% | 10.00% | 10.00% | 10.00% | 5.00% | [1] | 5.00% | [1] | 10.00% | [2] | 10.00% | [2] | 5.00% | 5.00% | 65.00% | 65.00% | 35.00% | 35.00% | 17.00% | 17.00% | 10.00% | [1] | 10.00% | [1] | 20.00% | [2] | 20.00% | [2] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Plan assets target allocation | 100.00% | 100.00% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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