v3.26.1
Shareholders' equity AOCI Reclassifications (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Equity, Class of Treasury Stock [Line Items]        
Income tax expense $ (742) $ (717) $ (1,388) $ (1,038)
Interest expense 200 181 398 362
Net income 2,882 2,999 5,229 4,342
Reclassification out of Accumulated Other Comprehensive Income        
Equity, Class of Treasury Stock [Line Items]        
Net income (88) 71 (207) 95
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Including Noncontrolling Interest | Reclassification out of Accumulated Other Comprehensive Income        
Equity, Class of Treasury Stock [Line Items]        
Debt Securities, Available-for-Sale, Realized Gain (Loss) (81) (68) (194) (126)
Income tax expense 5 3 23 28
Net income (76) (65) (171) (98)
Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest | Reclassification out of Accumulated Other Comprehensive Income        
Equity, Class of Treasury Stock [Line Items]        
Income tax expense (2) (1) (4) (3)
Interest expense 11 7 20 15
Net income 9 6 16 12
Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest | Reclassification out of Accumulated Other Comprehensive Income        
Equity, Class of Treasury Stock [Line Items]        
Income tax expense 6 (34) 14 (48)
Interest expense (4) (5) (9) (9)
Foreign Currency Transaction Gain (Loss), Realized (23) 169 (57) 238
Net income $ (21) $ 130 $ (52) $ 181