v3.25.1
Capital (Mandatorily Redeemable Capital Stock) (Details)
$ in Millions
3 Months Ended
Mar. 31, 2025
USD ($)
Institutions
Mar. 31, 2024
USD ($)
Dec. 31, 2024
Institutions
Capital [Line Items]      
Financial Instruments Subject to Mandatory Redemption, Number of Stockholders | Institutions 5   7
Interest Expense on Mandatorily Redeemable Capital Stock $ 5 $ 16  
Mandatorily Redeemable Capital Stock [Roll Forward]      
Balance at the beginning of the period 331 706  
Reclassified from/(to) capital during the period 0 36  
Repurchase/redemption of mandatorily redeemable capital stock (178) (76)  
Balance at the end of the period $ 153 $ 666