v3.26.1
Non-U.S. Activities - Schedule of Results from Non-U.S. Operations (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Segment Reporting [Line Items]        
Total revenue $ 4,048 $ 3,448 $ 7,844 $ 6,732
Income before income tax expense 1,389 889 2,358 1,711
Non-U.S.        
Segment Reporting [Line Items]        
Total revenue 1,815 1,474 3,492 2,856
Income before income tax expense 687 356 1,141 665
U.S.        
Segment Reporting [Line Items]        
Total revenue 2,233 1,974 4,352 3,876
Income before income tax expense $ 702 $ 533 $ 1,217 $ 1,046