Income Taxes - Components of Tax Expense (Benefit) (Detail) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Current:
United States-Federal	$ 124	$ (170)	$ (511)
United States-State	(50)	57	(36)
Outside United States	618	703	648
Current Income Tax Expense (Benefit), Total	692	590	101
Deferred:
United States-Federal	(143)	(225)	(352)
United States-State	(4)	4	(13)
Outside United States	(69)	(47)	(51)
Valuation allowance	(29)	8	37
Deferred income taxes	(245)	(260)	(379)
Consolidated taxes on (loss) income	$ 447	$ 330	$ (278)

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

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