v3.26.1
Segment Reporting (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 revenues $ 9,152 $ 5,359 $ 12,820 $ 9,545
Premiums 170 107 387 234
Income before income taxes 1,904 652 2,095 1,586
Income tax expense (benefit) 217 (34) 1,890 141
Net income 1,687 686 205 1,445
Reportable Segment        
Segment Reporting [Line Items]        
Total revenues 9,152 5,359 12,820 9,545
Cost of funds 2,942 2,470 5,749 4,680
Other operating expenses 111 109 229 225
Interest and other financing costs 141 132 294 262
Other liability costs equal to the amount of premium 170 107 387 234
Other Segment Items 3,884 1,889 4,066 2,558
Income before income taxes 1,904 652 2,095 1,586
Income tax expense (benefit) 217 (34) 1,890 141
Net income $ 1,687 $ 686 $ 205 $ 1,445