v3.25.4
Intangible Assets and Goodwill - Summary of intangible assets (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Intangible assets    
Gross carrying amount, finite-lived intangible assets $ 2,608 $ 2,833
Accumulated Amortization, finite-lived intangible assets (2,367) (2,434)
Net, finite-lived intangible assets 241 399
Fully amortized finite-lived intangibles 248  
Customer relationships    
Intangible assets    
Gross carrying amount, finite-lived intangible assets 2,012 2,220
Accumulated Amortization, finite-lived intangible assets (1,877) (1,950)
Net, finite-lived intangible assets 135 270
Intellectual property    
Intangible assets    
Gross carrying amount, finite-lived intangible assets 479 496
Accumulated Amortization, finite-lived intangible assets (399) (401)
Net, finite-lived intangible assets 80 95
Other    
Intangible assets    
Gross carrying amount, finite-lived intangible assets 117 117
Accumulated Amortization, finite-lived intangible assets (91) (83)
Net, finite-lived intangible assets $ 26 $ 34