Income Taxes - Components of Tax Expense (Benefit) (Detail) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Current:
United States-Federal	$ 21	$ (81)	$ 124
United States-State	5	11	(50)
Outside United States	410	770	618
Current Income Tax Expense (Benefit), Total	436	700	692
Deferred:
United States-Federal	(824)	(660)	(143)
United States-State	(67)	(93)	(4)
Outside United States	(563)	(257)	(69)
Valuation allowance	206	(1)	(29)
Deferred income taxes	(1,248)	(1,011)	(245)
Consolidated taxes on (loss) income	$ (812)	$ (311)	$ 447

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

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