Investments and Other Assets (Notes Receivable Due From Equity Investments) (Details) - Equity Investment - USD ($) $ in Millions		Dec. 31, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total notes receivable due from equity investments		$ 105	$ 101
Less-current portion	[1]	19	18
Long-term portion	[2]	$ 86	$ 83

[1] Included within Trade and other receivables, net in our consolidated balance sheets.

[2] Included within Other assets in our consolidated balance sheets.