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Income Taxes - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Income Taxes [Line Items]
Income tax (benefit) expense	$ 31	$ 17	$ 62	$ 14
U.S. federal statutory rate			35.00%
U.S. federal income and non-U.S. withholding tax liability adjustments on future repatriations, expense (benefit)	$ 1	$ 1	$ 1	$ 3

The domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems.

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- Definition

The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

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