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Employee Retirement Plans (Tables) | 12 Months Ended
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Dec. 31, 2012
Changes in Projected Benefit Obligation | Changes in the projected benefit obligation and fair value of plan assets, and the funded status of the Company’s defined-benefit pension plans were as follows, in millions:
|  | 2012 |  |  | 2011 |
|  | Qualified |  |  | Non-Qualified |  |  | Qualified |  |  | Non-Qualified |
Changes in projected benefit obligation: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Projected benefit obligation at January 1 |  | $ | 943 |  |  | $ | 174 |  |  | $ | 868 |  |  | $ | 163 |
Service cost |  |  | 2 |  |  |  | — |  |  |  | 2 |  |  |  | — |
Interest cost |  |  | 42 |  |  |  | 7 |  |  |  | 44 |  |  |  | 8 |
Actuarial loss (gain), net |  |  | 100 |  |  |  | 11 |  |  |  | 70 |  |  |  | 13 |
Foreign currency exchange |  |  | 9 |  |  |  | — |  |  |  | (2 | ) |  |  | — |
Benefit payments |  |  | (40 | ) |  |  | (11 | ) |  |  | (39 | ) |  |  | (10 | )
Projected benefit obligation at December 31 |  | $ | 1,056 |  |  | $ | 181 |  |  | $ | 943 |  |  | $ | 174 |
Changes in fair value of plan assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of plan assets at January 1 |  | $ | 504 |  |  | $ | — |  |  | $ | 509 |  |  | $ | — |
Actual return on plan assets |  |  | 75 |  |  |  | — |  |  |  | (1 | ) |  |  | — |
Foreign currency exchange |  |  | 4 |  |  |  | — |  |  |  | — |  |  |  | — |
Company contributions |  |  | 55 |  |  |  | 11 |  |  |  | 38 |  |  |  | 10 |
Expenses, other |  |  | (4 | ) |  |  | — |  |  |  | (3 | ) |  |  | — |
Benefit payments |  |  | (40 | ) |  |  | (11 | ) |  |  | (39 | ) |  |  | (10 | )
Fair value of plan assets at December 31 |  | $ | 594 |  |  | $ | — |  |  | $ | 504 |  |  | $ | — |
Funded status at December 31: |  | $ | (462 | ) |  | $ | (181 | ) |  | $ | (439 | ) |  | $ | (174 | )
Consolidated Balance Sheets | Amounts in the Company’s consolidated balance sheets were as follows, in millions:
|  | At December 31, 2012 |  |  | At December 31, 2011 |
|  | Qualified |  |  | Non-Qualified |  |  | Qualified |  |  | Non-Qualified |
Accrued liabilities |  | $ | (3 | ) |  | $ | (12 | ) |  | $ | (3 | ) |  | $ | (12 | )
Deferred income taxes and other |  |  | (459 | ) |  |  | (169 | ) |  |  | (436 | ) |  |  | (162 | )
Total net liability |  | $ | (462 | ) |  | $ | (181 | ) |  | $ | (439 | ) |  | $ | (174 | )
Summary of Accumulated Other Comprehensive Income before Income Taxes | Amounts in accumulated other comprehensive income before income taxes were as follows, in millions:
|  | At December 31, 2012 |  |  | At December 31, 2011 |
|  | Qualified |  |  | Non-Qualified |  |  | Qualified |  |  | Non-Qualified |
Net loss |  | $ | 467 |  |  | $ | 53 |  |  | $ | 424 |  |  | $ | 43 |
Net transition obligation |  |  | 1 |  |  |  | — |  |  |  | 1 |  |  |  | — |
Net prior service cost |  |  | 2 |  |  |  | — |  |  |  | (1 | ) |  |  | — |
Total |  | $ | 470 |  |  | $ | 53 |  |  | $ | 424 |  |  | $ | 43 |
Information about Plan Assets | Information for defined-benefit pension plans with an accumulated benefit obligation in excess of plan assets was as follows, in millions:
|  | At December 31 |
|  | 2012 |  |  | 2011 |
|  | Qualified |  |  | Non-Qualified |  |  | Qualified |  |  | Non-Qualified |
Projected benefit obligation |  | $ | 1,056 |  |  | $ | 181 |  |  | $ | 943 |  |  | $ | 174 |
Accumulated benefit obligation |  | $ | 1,054 |  |  | $ | 181 |  |  | $ | 941 |  |  | $ | 174 |
Fair value of plan assets |  | $ | 594 |  |  | $ | — |  |  | $ | 504 |  |  | $ | — |
Net Periodic Pension Cost for Defined-Benefit Pension Plans | Net periodic pension cost for the Company’s defined-benefit pension plans was as follows, in millions:
|  | 2012 |  |  | 2011 |  |  | 2010 |
|  | Qualified |  |  | Non-Qualified |  |  | Qualified |  |  | Non-Qualified |  |  | Qualified |  |  | Non-Qualified |
Service cost |  | $ | 2 |  |  | $ | — |  |  | $ | 2 |  |  | $ | — |  |  | $ | 3 |  |  | $ | — |
Interest cost |  |  | 42 |  |  |  | 7 |  |  |  | 44 |  |  |  | 8 |  |  |  | 45 |  |  |  | 9 |
Expected return on plan assets |  |  | (31 | ) |  |  | — |  |  |  | (33 | ) |  |  | — |  |  |  | (34 | ) |  |  | — |
Recognized prior service cost |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (1 | ) |  |  | — |
Recognized net loss |  |  | 14 |  |  |  | 2 |  |  |  | 10 |  |  |  | 1 |  |  |  | 10 |  |  |  | — |
Net periodic pension cost |  | $ | 27 |  |  | $ | 9 |  |  | $ | 23 |  |  | $ | 9 |  |  | $ | 23 |  |  | $ | 9 |
Qualified Defined-Benefit Pension Plan Weighted Average Asset Allocation | Plan Assets. The Company’s qualified defined-benefit pension plan weighted average asset allocation, which is based upon fair value, was as follows:
|  | At December 31 |
|  | 2012 |  |  | 2011 |
Equity securities |  |  | 44 | % |  |  | 44 | %
Debt securities |  |  | 41 | % |  |  | 39 | %
Other |  |  | 15 | % |  |  | 17 | %
Total |  |  | 100 | % |  |  | 100 | %
Qualified Defined-Benefit Pension Plan Assets at Fair Value | The following table sets forth by level, within the fair value hierarchy, the qualified defined-benefit pension plan assets at fair value as of December 31, 2012 and 2011, in millions.
|  | Assets at Fair Value as of December 31, 2012 |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Common and Preferred Stocks: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
United States |  | $ | 127 |  |  | $ | 61 |  |  | $ | — |  |  | $ | 188 |
International |  |  | 61 |  |  |  | 10 |  |  |  | — |  |  |  | 71 |
Private Equity and Hedge Funds |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
United States |  |  | — |  |  |  | — |  |  |  | 52 |  |  |  | 52 |
International |  |  | — |  |  |  | — |  |  |  | 11 |  |  |  | 11 |
Corporate Debt Securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
United States |  |  | — |  |  |  | 25 |  |  |  | — |  |  |  | 25 |
International |  |  | — |  |  |  | 73 |  |  |  | — |  |  |  | 73 |
Government and Other Debt Securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
United States |  |  | 51 |  |  |  | 42 |  |  |  | — |  |  |  | 93 |
International |  |  | 24 |  |  |  | 29 |  |  |  | — |  |  |  | 53 |
Common Collective Trust Fund—United States |  |  | — |  |  |  | 12 |  |  |  | — |  |  |  | 12 |
Short-Term and Other Investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
United States |  |  | 1 |  |  |  | — |  |  |  | — |  |  |  | 1 |
International |  |  | — |  |  |  | — |  |  |  | 15 |  |  |  | 15 |
Total Assets at Fair Value |  | $ | 264 |  |  | $ | 252 |  |  | $ | 78 |  |  | $ | 594 |
|  | Assets at Fair Value as of December 31, 2011 |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Common and Preferred Stocks: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
United States |  | $ | 119 |  |  | $ | 38 |  |  | $ | — |  |  | $ | 157 |
International |  |  | 56 |  |  |  | 9 |  |  |  | — |  |  |  | 65 |
Private Equity and Hedge Funds |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
United States |  |  | — |  |  |  | — |  |  |  | 52 |  |  |  | 52 |
International |  |  | — |  |  |  | — |  |  |  | 7 |  |  |  | 7 |
Corporate Debt Securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
United States |  |  | — |  |  |  | 15 |  |  |  | — |  |  |  | 15 |
International |  |  | — |  |  |  | 55 |  |  |  | — |  |  |  | 55 |
Government and Other Debt Securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
United States |  |  | 46 |  |  |  | 31 |  |  |  | — |  |  |  | 77 |
International |  |  | 24 |  |  |  | 29 |  |  |  | — |  |  |  | 53 |
Common Collective Trust Fund—United States |  |  | — |  |  |  | 8 |  |  |  | — |  |  |  | 8 |
Short-Term and Other Investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
United States |  |  | 2 |  |  |  | — |  |  |  | — |  |  |  | 2 |
International |  |  | — |  |  |  | — |  |  |  | 13 |  |  |  | 13 |
Total Assets at Fair Value |  | $ | 247 |  |  | $ | 185 |  |  | $ | 72 |  |  | $ | 504 |
Summary of Changes in Fair Value of Qualified Defined-Benefit Pension Plan | The table below sets forth a summary of changes in the fair value of the qualified defined-benefit pension plan level 3 assets, in millions.
|  | Year Ended December 31, 2012 |  |  | Year Ended December 31, 2011 |
Fair Value, January 1 |  | $ | 72 |  |  | $ | 73 |
Purchases |  |  | 9 |  |  |  | 10 |
Sales |  |  | (8 | ) |  |  | (12 | )
Transfers from Level 2 to Level 3 |  |  | — |  |  |  | 2 |
Unrealized gains (losses) |  |  | 5 |  |  |  | (1 | )
Fair Value, December 31 |  | $ | 78 |  |  | $ | 72 |
Major Assumptions Used in Defined-Benefit Pension Plans | Assumptions. Major assumptions used in accounting for the Company’s defined-benefit pension plans were as follows:
|  | December 31 |
|  | 2012 |  |  | 2011 |  |  | 2010 |
Discount rate for obligations |  |  | 3.80 | % |  |  | 4.40 | % |  |  | 5.30 | %
Expected return on plan assets |  |  | 7.25 | % |  |  | 7.25 | % |  |  | 7.25 | %
Rate of compensation increase |  |  | — | % |  |  | — | % |  |  | 1.00 | %
Discount rate for net periodic pension cost |  |  | 4.40 | % |  |  | 5.30 | % |  |  | 5.80 | %
Benefits Expected to be Paid | At December 31, 2012, the benefits expected to be paid in each of the next five years, and in aggregate for the five years thereafter, relating to the Company’s defined-benefit pension plans, were as follows, in millions:
|  | Qualified Plans |  |  | Non-Qualified Plans |
2013 |  | $ | 44 |  |  | $ | 12 |
2014 |  | $ | 45 |  |  | $ | 12 |
2015 |  | $ | 46 |  |  | $ | 12 |
2016 |  | $ | 47 |  |  | $ | 12 |
2017 |  | $ | 49 |  |  | $ | 12 |
2018-2022 |  | $ | 265 |  |  | $ | 58 |

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