v3.26.1
Fair Value - Level 3 Rollforward (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Available-for-Sale Securities        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance $ 331 $ 405 $ 341 $ 427
Purchases 0 0 0 0
Sales 0 0 0 0
Issuances 0 0 0 0
Settlements (10) (17) (18) (36)
Net transfers (1) 0 (1) 0
Total gains (losses) realized & unrealized 0 11 (2) 8
Ending Balance 320 399 320 399
Mortgage Loans        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance 401 388 388 399
Purchases 0 0 0 0
Sales 0 0 0 0
Issuances 0 0 0 0
Settlements (14) (13) (27) (29)
Net transfers (21) 1 6 (1)
Total gains (losses) realized & unrealized 1 0 0 7
Ending Balance 367 376 367 376
Net Derivatives        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance 54 35 65 39
Purchases 0 0 0 0
Sales 0 0 0 0
Issuances 0 0 0 0
Settlements 13 18 4 19
Net transfers 10 0 10 0
Total gains (losses) realized & unrealized (8) (20) (10) (25)
Ending Balance 69 33 69 33
Long-term Debt        
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance (353) (364) (347) (353)
Purchases 0 0 0 0
Sales 0 0 0 0
Issuances 0 0 0 0
Settlements 6 2 9 6
Net transfers 1 0 0 0
Total gains (losses) realized & unrealized 0 12 (8) (3)
Ending Balance (346) (350) (346) (350)
Mortgage-related securities | Trading Securities        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance 26 26 27 28
Purchases 0 0 0 0
Sales 0 0 0 0
Issuances 0 0 0 0
Settlements 0 0 0 0
Net transfers 0 0 0 (3)
Total gains (losses) realized & unrealized 0 (1) (1) 0
Ending Balance $ 26 $ 25 $ 26 $ 25