v3.25.3
Intangible Assets - Schedule of Intangible Assets by Major Class (Detail) - USD ($)
$ in Millions
Sep. 30, 2025
Dec. 31, 2024
Finite Lived Intangible Assets [Line Items]    
Gross Book Value $ 8,221 $ 5,874
Accumulated Amortization 3,132 2,862
Net Book Value 5,089 3,012
Customer Relationships    
Finite Lived Intangible Assets [Line Items]    
Gross Book Value 2,838 1,887
Accumulated Amortization 873 799
Net Book Value 1,965 1,088
Technology/Technical Know-How    
Finite Lived Intangible Assets [Line Items]    
Gross Book Value 2,634 1,588
Accumulated Amortization 958 872
Net Book Value 1,676 716
Tradenames    
Finite Lived Intangible Assets [Line Items]    
Gross Book Value 1,125 795
Accumulated Amortization 328 299
Net Book Value 797 496
Other    
Finite Lived Intangible Assets [Line Items]    
Gross Book Value 1,624 1,604
Accumulated Amortization 973 892
Net Book Value $ 651 $ 712