v3.26.1
Total Equity and Other Comprehensive Income (Other Comprehensive Income) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Pre-tax        
Other comprehensive income (loss), before tax and net of reclassifications into Net income $ (458) $ 727 $ (940) $ 2,478
Tax effect        
Total other comprehensive income (loss) 111 (172) 228 (595)
After-tax        
Other comprehensive income (loss), after tax and net of reclassifications into Net income (347) 555 (712) 1,883
Debt securities        
Pre-tax        
Net unrealized gains (losses) (180) 82 (469) 830
Less: Net realized gains (losses) reclassified to earnings (289) (181) (419) (362)
Other comprehensive income (loss), before tax and net of reclassifications into Net income 109 263 (50) 1,192
Tax effect        
Net unrealized gains (losses) 43 (20) 114 (202)
Less: Net realized gains (losses) reclassified to earnings 70 44 102 88
Total other comprehensive income (loss) (27) (64) 12 (290)
After-tax        
Net unrealized gains (losses) (137) 62 (355) 628
Less: Net realized gains (losses) reclassified to earnings (219) (137) (317) (274)
Other comprehensive income (loss), after tax and net of reclassifications into Net income 82 199 (38) 902
Cash flow hedge derivatives        
Pre-tax        
Net unrealized gains (losses) (623) 299 (1,012) 930
Less: Net realized gains (losses) reclassified to earnings (67) (186) (124) (380)
Other comprehensive income (loss), before tax and net of reclassifications into Net income (556) 485 (888) 1,310
Tax effect        
Net unrealized gains (losses) 152 (73) 247 (226)
Less: Net realized gains (losses) reclassified to earnings 16 45 30 92
Total other comprehensive income (loss) 136 (118) 217 (318)
After-tax        
Net unrealized gains (losses) (471) 226 (765) 704
Less: Net realized gains (losses) reclassified to earnings (51) (141) (94) (288)
Other comprehensive income (loss), after tax and net of reclassifications into Net income (420) 367 (671) 992
Pension and other postretirement benefit plan adjustments        
Pre-tax        
Less: Net realized gains (losses) reclassified to earnings (6) (19) 2 (21)
Other comprehensive income (loss), before tax and net of reclassifications into Net income (6) (19) 2 (21)
Tax effect        
Less: Net realized gains (losses) reclassified to earnings 1 4 (1) 5
Total other comprehensive income (loss) 1 4 (1) 5
After-tax        
Less: Net realized gains (losses) reclassified to earnings (5) (15) 1 (16)
Other comprehensive income (loss), after tax and net of reclassifications into Net income (5) (15) 1 (16)
Other        
Pre-tax        
Less: Net realized gains (losses) reclassified to earnings (5) (2) (4) (3)
Other comprehensive income (loss), before tax and net of reclassifications into Net income (5) (2) (4) (3)
Tax effect        
Less: Net realized gains (losses) reclassified to earnings 1 6 0 8
Total other comprehensive income (loss) 1 6 0 8
After-tax        
Less: Net realized gains (losses) reclassified to earnings (4) 4 (4) 5
Other comprehensive income (loss), after tax and net of reclassifications into Net income $ (4) $ 4 $ (4) $ 5