Investments and Other Assets (Share of equity income from investments) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Other Assets [Abstract]
Share of equity income (loss) from investments		$ 200	$ 57	$ (135)
Dividends received	[1]	$ 11	$ 1	$ 0

[1] Represents dividends received net of tax withholdings.