Other Assets - Schedule of Other Assets (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]
Capitalized repair and maintenance costs	$ 198	$ 230
Pension assets	62	57
Deferred income taxes	301	303
Miscellaneous	89	87
Total other assets	$ 650	$ 677