Annual report pursuant to Section 13 and 15(d)

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)

v2.4.0.8
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
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
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%                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
[1] Represents mortgage and asset-backed securities.
[2] Represents global balanced-risk commingled funds, consisting primarily of equity, bonds, and some currencies and commodities.