v3.26.3
Income taxes - Provision for Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Income Tax Disclosure [Abstract]        
Taxes calculated using the estimated annual effective tax rate $ 390 $ 249 $ 928 $ 614
Discrete tax items (10) (29) (121) (114)
Provision for income taxes $ 380 $ 220 $ 807 $ 500
Effective tax rate 14.00% 14.00% 12.00% 12.00%