Other Assets (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Other Assets, Noncurrent Disclosure [Abstract]
Investment in Unconsolidated Subsidiaries	$ 1,020	$ 976
Pension Asset	944	752
Payments to Joint Facility Partners and Service Providers	690	2,653
Other	515	489
Total	$ 3,169	$ 4,870