v3.26.3
FAIR VALUES OF ASSETS AND LIABILITIES - Recurring Basis (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Assets measured at fair value on a recurring basis    
Trading account assets $ 345 $ 63
Fair Value 34,623 26,132
Other securities 62 42
Loans held for sale 1,154 885
Loans held for investment, fair value 166 167
MSRs 837 593
Gross amounts of recognized assets 1,244 507
Derivative assets netting (746) (260)
Derivative assets 498 247
Assets held in trust for deferred compensation plans 234 216
Liabilities measured at fair value on a recurring basis    
Short-term borrowings 344 138
Long-term debt 1,561 1,161
Gross amounts of recognized liabilities 1,597 519
Gross amounts offset in the unaudited consolidated balance sheets (337) (169)
Derivative liabilities 1,260 350
U.S. Treasury    
Assets measured at fair value on a recurring basis    
Fair Value 8,454 4,635
Residential MBS    
Assets measured at fair value on a recurring basis    
Fair Value 12,116 9,669
Residential CMO    
Assets measured at fair value on a recurring basis    
Fair Value 6,189 5,197
Commercial MBS    
Assets measured at fair value on a recurring basis    
Fair Value 2,525 1,831
Other agencies    
Assets measured at fair value on a recurring basis    
Fair Value 449 150
Municipal securities    
Assets measured at fair value on a recurring basis    
Fair Value 4,467 4,143
Corporate debt    
Assets measured at fair value on a recurring basis    
Fair Value 164 178
Asset-backed securities    
Assets measured at fair value on a recurring basis    
Fair Value 161 221
Private-label CMO    
Assets measured at fair value on a recurring basis    
Fair Value 88 98
Other securities/sovereign debt    
Assets measured at fair value on a recurring basis    
Fair Value 10 10
Level 1    
Assets measured at fair value on a recurring basis    
Trading account assets 42 0
Fair Value 8,454 4,635
Other securities 28 30
Loans held for sale 0 0
Loans held for investment, fair value 0 0
MSRs 0 0
Gross amounts of recognized assets 0 0
Assets held in trust for deferred compensation plans 234 216
Liabilities measured at fair value on a recurring basis    
Short-term borrowings 293 131
Long-term debt 0 0
Gross amounts of recognized liabilities 0 0
Level 1 | U.S. Treasury    
Assets measured at fair value on a recurring basis    
Fair Value 8,454 4,635
Level 1 | Residential MBS    
Assets measured at fair value on a recurring basis    
Fair Value 0 0
Level 1 | Residential CMO    
Assets measured at fair value on a recurring basis    
Fair Value 0 0
Level 1 | Commercial MBS    
Assets measured at fair value on a recurring basis    
Fair Value 0 0
Level 1 | Other agencies    
Assets measured at fair value on a recurring basis    
Fair Value 0 0
Level 1 | Municipal securities    
Assets measured at fair value on a recurring basis    
Fair Value 0 0
Level 1 | Corporate debt    
Assets measured at fair value on a recurring basis    
Fair Value 0 0
Level 1 | Asset-backed securities    
Assets measured at fair value on a recurring basis    
Fair Value 0 0
Level 1 | Private-label CMO    
Assets measured at fair value on a recurring basis    
Fair Value 0 0
Level 1 | Other securities/sovereign debt    
Assets measured at fair value on a recurring basis    
Fair Value 0 0
Level 2    
Assets measured at fair value on a recurring basis    
Trading account assets 303 63
Fair Value 21,734 17,389
Other securities 34 12
Loans held for sale 1,154 885
Loans held for investment, fair value 101 105
MSRs 0 0
Gross amounts of recognized assets 1,239 499
Assets held in trust for deferred compensation plans 0 0
Liabilities measured at fair value on a recurring basis    
Short-term borrowings 51 7
Long-term debt 1,561 1,161
Gross amounts of recognized liabilities 1,592 514
Level 2 | U.S. Treasury    
Assets measured at fair value on a recurring basis    
Fair Value 0 0
Level 2 | Residential MBS    
Assets measured at fair value on a recurring basis    
Fair Value 12,116 9,669
Level 2 | Residential CMO    
Assets measured at fair value on a recurring basis    
Fair Value 6,189 5,197
Level 2 | Commercial MBS    
Assets measured at fair value on a recurring basis    
Fair Value 2,525 1,831
Level 2 | Other agencies    
Assets measured at fair value on a recurring basis    
Fair Value 449 150
Level 2 | Municipal securities    
Assets measured at fair value on a recurring basis    
Fair Value 80 82
Level 2 | Corporate debt    
Assets measured at fair value on a recurring basis    
Fair Value 164 178
Level 2 | Asset-backed securities    
Assets measured at fair value on a recurring basis    
Fair Value 133 193
Level 2 | Private-label CMO    
Assets measured at fair value on a recurring basis    
Fair Value 68 79
Level 2 | Other securities/sovereign debt    
Assets measured at fair value on a recurring basis    
Fair Value 10 10
Level 3    
Assets measured at fair value on a recurring basis    
Trading account assets 0 0
Fair Value 4,435 4,108
Other securities 0 0
Loans held for sale 0 0
Loans held for investment, fair value 65 62
MSRs 837 593
Gross amounts of recognized assets 5 8
Assets held in trust for deferred compensation plans 0 0
Liabilities measured at fair value on a recurring basis    
Short-term borrowings 0 0
Long-term debt 0 0
Gross amounts of recognized liabilities 5 5
Level 3 | U.S. Treasury    
Assets measured at fair value on a recurring basis    
Fair Value 0 0
Level 3 | Residential MBS    
Assets measured at fair value on a recurring basis    
Fair Value 0 0
Level 3 | Residential CMO    
Assets measured at fair value on a recurring basis    
Fair Value 0 0
Level 3 | Commercial MBS    
Assets measured at fair value on a recurring basis    
Fair Value 0 0
Level 3 | Other agencies    
Assets measured at fair value on a recurring basis    
Fair Value 0 0
Level 3 | Municipal securities    
Assets measured at fair value on a recurring basis    
Fair Value 4,387 4,061
Level 3 | Corporate debt    
Assets measured at fair value on a recurring basis    
Fair Value 0 0
Level 3 | Asset-backed securities    
Assets measured at fair value on a recurring basis    
Fair Value 28 28
Level 3 | Private-label CMO    
Assets measured at fair value on a recurring basis    
Fair Value 20 19
Level 3 | Other securities/sovereign debt    
Assets measured at fair value on a recurring basis    
Fair Value $ 0 $ 0