Income Taxes - Components of Earnings (Loss) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Taxes [Line Items]
Earnings (loss) before income taxes	$ 4,344	$ (1,307)	$ (452)
United States
Income Taxes [Line Items]
Earnings (loss) before income taxes	3,400	(1,303)	(381)
Foreign
Income Taxes [Line Items]
Earnings (loss) before income taxes	$ 944	$ (4)	$ (71)

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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+ Details