Annual report pursuant to Section 13 and 15(d)

CASH AND INVESTMENTS (Tables)

v2.4.0.6
CASH AND INVESTMENTS (Tables)
12 Months Ended
Dec. 31, 2012
Investments and Cash [Abstract]  
Summary of Marketable Securities
The following is a summary of marketable securities classified as available-for-sale at December 31, 2012 and 2011 (in millions):
 
Cost
 
Unrealized
Gains
 
Unrealized
Losses
 
Estimated
Fair Value
2012
 
 
 
 
 
 
 
Current marketable securities:
 
 
 
 
 
 
 
U.S. government and agency debt securities
$
236

 
$
2

 
$

 
$
238

Mortgage and asset-backed debt securities
171

 
3

 

 
174

Corporate debt securities
158

 
5

 

 
163

U.S. state and local municipal debt securities
15

 

 

 
15

Other debt and equity securities
7

 

 

 
7

Total marketable securities
$
587

 
$
10

 
$

 
$
597

 
 
 
 
 
 
 
 
 
Cost
 
Unrealized
Gains
 
Unrealized
Losses
 
Estimated
Fair Value
2011
 
 
 
 
 
 
 
Current marketable securities:
 
 
 
 
 
 
 
U.S. government and agency debt securities
$
184

 
$
3

 
$

 
$
187

Mortgage and asset-backed debt securities
188

 
4

 
(1
)
 
191

Corporate debt securities
835

 
4

 
(2
)
 
837

U.S. state and local municipal debt securities
15

 

 

 
15

Other debt and equity securities
10

 
1

 

 
11

Total marketable securities
$
1,232

 
$
12

 
$
(3
)
 
$
1,241

Amortized Cost and Estimated Fair Value of Marketable Securities by Contractual Maturity
The amortized cost and estimated fair value of marketable securities at December 31, 2012, by contractual maturity, are shown below (in millions). Actual maturities may differ from contractual maturities because the issuers of the securities may have the right to prepay obligations without prepayment penalties.
 
 
Cost
 
Estimated
Fair Value
Due in one year or less
$
37

 
$
37

Due after one year through three years
251

 
252

Due after three years through five years
49

 
49

Due after five years
248

 
257

 
585

 
595

Equity securities
2

 
2

 
$
587

 
$
597

Investments Measured at Fair Value on a Recurring Basis
The following table presents information about our investments measured at fair value on a recurring basis as of December 31, 2012 and 2011, and indicates the fair value hierarchy of the valuation techniques utilized to determine such fair value (in millions).

 
Quoted
Prices in
Active
Markets for
Identical
Assets
(Level 1)
 
Significant
Other
Observable
Inputs
(Level 2)
 
Significant
Unobservable
Inputs
(Level 3)
 
Total
2012
 
 
 
 
 
 
 
Marketable securities:
 
 
 
 
 
 
 
U.S. government and agency debt securities
$
237

 
$
1

 
$

 
$
238

Mortgage and asset-backed debt securities

 
174

 

 
174

Corporate debt securities

 
163

 

 
163

U.S. state and local municipal debt securities

 
15

 

 
15

Other debt and equity securities

 
7

 

 
7

Total marketable securities
237

 
360

 

 
597

Other investments
19

 

 
163

 
182

Total
$
256

 
$
360

 
$
163

 
$
779

 
 
 
 
 
 
 
 
 
Quoted
Prices in
Active
Markets for
Identical
Assets
(Level 1)
 
Significant
Other
Observable
Inputs
(Level 2)
 
Significant
Unobservable
Inputs
(Level 3)
 
Total
2011
 
 
 
 
 
 
 
Marketable securities:
 
 
 
 
 
 
 
U.S. government and agency debt securities
$
187

 
$

 
$

 
$
187

Mortgage and asset-backed debt securities

 
191

 

 
191

Corporate debt securities

 
837

 

 
837

U.S. state and local municipal debt securities

 
15

 

 
15

Other debt and equity securities

 
11

 

 
11

Total marketable securities
187

 
1,054

 

 
1,241

Other investments
17

 

 
217

 
234

Total
$
204

 
$
1,054

 
$
217

 
$
1,475

Changes in Level 3 Instruments Measured on a Recurring Basis
The following table presents the changes in the above Level 3 instruments measured on a recurring basis for the years ended December 31, 2012 and 2011 (in millions).
 
 
Marketable
Securities
 
Other
Investments
 
Total
Balance on January 1, 2011
$
138

 
$
267

 
$
405

Transfers into (out of) Level 3

 

 

Net realized and unrealized gains (losses):
 
 
 
 
 
Included in earnings (in investment income)

 
(50
)
 
(50
)
Included in accumulated other comprehensive income (pre-tax)

 

 

Purchases

 

 

Settlements
(138
)
 

 
(138
)
Balance on December 31, 2011
$

 
$
217

 
$
217

Transfers into (out of) Level 3

 

 

Net realized and unrealized gains (losses):
 
 
 
 
 
Included in earnings (in investment income)

 
(54
)
 
(54
)
Included in accumulated other comprehensive income (pre-tax)

 

 

Purchases

 

 

Settlements

 

 

Balance on December 31, 2012
$

 
$
163

 
$
163