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Income Taxes - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 12 Months Ended
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Dec. 31, 2012 M | Dec. 31, 2011 | Dec. 31, 2010
Net short-term deferred tax assets included in prepaid expense and other | $ 41 | $ 11 |
Net long-term deferred tax liability included in deferred income taxes | 321 | 250 |
Reversed accrual adjustment for unrecognized tax benefits related to withholding tax issue | 14 | 10 |
Non-cash charge to income tax expense due to change in deferred tax assets valuation allowance | 26 | 31 |
Deferred tax assets expected to be realized | More than 50 percent |  |
Increase in tax expense from repatriation of foreign earnings | 65 | 89 | 372
Deferred tax assets, with no valuation allowance | 203 | 156 |
Net operating loss and tax credit carryforwards expiring between 2020 and 2031 | 411 | 269 |
Net operating loss and tax credit carryforwards with unlimited expiration period | 14 | 11 |
Net operating loss and tax credit carryforwards with limited expiration period expiration dates | Between 2020 and 2032 | Between 2020 and 2031 |
Deferred tax assets on additional net operating losses | 27 |  |
Deferred tax liabilities on the undistributed earnings of certain foreign subsidiaries | 10 |  |
Income taxes paid | 57 | 43 | 47
Unrecognized tax benefits that would impact effective tax rate if recognized | 34 | 40 |
Unrecognized tax benefits recorded in deferred income taxes and other | 74 | 86 |
Unrecognized tax benefits recorded in accrued liabilities | 1 | 1 |
Unrecognized tax benefits recorded in other assets | 7 | 6 |
Time limits for tax audit closings, settlements and expiration of applicable statutes of limitations in various jurisdictions | 12 |  |
Reduction in the liability for unrecognized tax benefits | $ 6 |  |

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