v3.25.4
Goodwill and other intangible assets - Schedule of Goodwill (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Goodwill [Roll Forward]    
Beginning balance $ 18,637 $ 18,629
Changes to goodwill resulting from acquisitions, net 0 25
Foreign currency translation adjustments 43 (17)
Ending balance $ 18,680 $ 18,637