Equity Investments - Summarized Information Pertaining to Equity Affiliates (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Equity Investments Information
Equity earnings (losses):	$ 90	$ 37	$ 78
Dividends received	103	58	42
Non-U.S.
Equity Investments Information
Equity earnings (losses):	83	29	58
U.S.
Equity Investments Information
Equity earnings (losses):	$ 7	$ 8	$ 20

Amount of income (loss) for proportionate share of equity method investee's income (loss).

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