Intangible Assets - Schedule of Intangible Assets by Major Class (Detail) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Finite Lived Intangible Assets [Line Items]
Gross Book Value	$ 5,913	$ 5,780
Accumulated Amortization	2,791	2,541
Net Book Value	3,122	3,239
Customer Relationships
Finite Lived Intangible Assets [Line Items]
Gross Book Value	1,887	1,887
Accumulated Amortization	776	709
Net Book Value	1,111	1,178
Technology/Technical Know-How
Finite Lived Intangible Assets [Line Items]
Gross Book Value	1,628	1,516
Accumulated Amortization	852	770
Net Book Value	776	746
Tradenames
Finite Lived Intangible Assets [Line Items]
Gross Book Value	795	795
Accumulated Amortization	291	265
Net Book Value	504	530
Other
Finite Lived Intangible Assets [Line Items]
Gross Book Value	1,603	1,582
Accumulated Amortization	872	797
Net Book Value	$ 731	$ 785