Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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

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Amount of current and deferred foreign income tax expense (benefit) attributable to income (loss) from continuing operations.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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The amount of cash received during the period as refunds for the overpayment of taxes.

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Income Taxes (Unaudited) (Details) - USD ($) $ in Millions	1 Months Ended			3 Months Ended		6 Months Ended
Income Taxes (Unaudited) (Details) - USD ($) $ in Millions	Mar. 31, 2021	Oct. 31, 2020	Jul. 31, 2020	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Tax Disclosure [Abstract]
U.S. operations						$ (4)	$ 58
International operations						(1,042)	(94)
Total				$ (603)	$ (96)	$ (1,046)	$ (36)
Consolidated effective income tax rate (percent)						31.00%	(9.00%)
Proceeds from Income Tax Refunds	$ 23	$ 24	$ 221