Segment and Related Information - Schedule of Segment Reporting Information to Consolidated Assets (Detail) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Schedule Of Assets By Segment [Line Items]
Consolidated assets	$ 14,064	$ 14,155
Cash and cash equivalents	1,138	944
Corporate fixed assets, net	6,389	6,785
Corporate goodwill	142	146
Deferred income taxes	284	333
Operating Segments [Member]
Schedule Of Assets By Segment [Line Items]
Consolidated assets	12,267	12,007
Intersegment Eliminations [Member]
Schedule Of Assets By Segment [Line Items]
Elimination of intersegment receivables	(364)	(159)
Other [Member]
Schedule Of Assets By Segment [Line Items]
Cash and cash equivalents	1,138	944
Corporate fixed assets, net	366	392
Corporate goodwill	139	142
Deferred income taxes	284	333
Pension assets	128	125
Other	$ 106	$ 371