v3.26.1
Investments - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Investments, All Other Investments [Abstract]          
Proceeds from sales of AFS securities $ 10,694 $ 5,865 $ 18,462 $ 14,810  
Secured debt         $ 907
Amounts loaned under reverse repurchase agreements 142   142   1,067
Fair value of collateral $ 787   $ 787   $ 1,822