Income Taxes - Components of Consolidated Income Taxes (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014
Current:
United States-Federal	$ 75us-gaap_CurrentFederalTaxExpenseBenefit	$ 147us-gaap_CurrentFederalTaxExpenseBenefit
United States-State	5	7
Outside United States	248us-gaap_CurrentForeignTaxExpenseBenefit	336us-gaap_CurrentForeignTaxExpenseBenefit
Current Income Tax Expense (Benefit), Total	328us-gaap_CurrentIncomeTaxExpenseBenefit	490us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred:
United States-Federal	(26)	7
United States-State		(1)
Outside United States	4	(27)
Deferred income taxes	(22)us-gaap_DeferredIncomeTaxExpenseBenefit	(21)us-gaap_DeferredIncomeTaxExpenseBenefit
Consolidated taxes on income	$ 306us-gaap_IncomeTaxExpenseBenefit	$ 469us-gaap_IncomeTaxExpenseBenefit	$ 469us-gaap_IncomeTaxExpenseBenefit

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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