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Income Taxes - Schedule of Income Before Income Taxes and Equity in an Affiliated Companies' Net Earnings (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Noncontrolling Interest [Line Items]
U.S. operations			$ (7)	$ 56
International operations			(1,667)	(389)
Total	$ (628)	$ (297)	(1,674)	(333)
Foreign Tax Authority [Member]
Noncontrolling Interest [Line Items]
Tax charge (credit) resulting from prior period tax positions			(24)	21
Net income tax expense (benefit)			(83)
Change in valuation allowance	$ 69		(69)
Tax settlement			10
Foreign Tax Authority [Member] | Net Income Attributable to Common Stock
Noncontrolling Interest [Line Items]
Tax charge (credit) resulting from prior period tax positions				17
Net income tax expense (benefit)			$ (66)
Domestic Tax Authority | Timik, lower zone
Noncontrolling Interest [Line Items]
Tax charge (credit) resulting from prior period tax positions				$ (53)

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