v3.25.2
Fair Value (Recurring Fair Value Measurements) (Details) - USD ($)
$ in Millions
6 Months Ended 12 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Assets    
Investment securities – available-for-sale $ 67,136 $ 62,039
Mortgage servicing rights 3,467 3,711
Financial derivatives 1,145 816
Liabilities    
Interest-bearing deposit, fair value 5,600 0
Financial derivatives 2,053 3,168
Other liabilities $ 100 $ 100
Assets At Fair Value | Assets, Total | Assets    
Liabilities    
Concentration risk, percentage 15.00% 14.00%
Level 3 Assets | Assets, Total | Assets    
Liabilities    
Concentration risk, percentage 9.00% 10.00%
Level 3 Assets | Assets | Assets    
Liabilities    
Concentration risk, percentage 1.00% 1.00%
Liabilities At Fair Value | Liabilities, Total | Liability    
Liabilities    
Concentration risk, percentage 2.00% 1.00%
Level Three Liabilities | Liabilities, Total | Liability    
Liabilities    
Concentration risk, percentage 2.00% 5.00%
Level Three Liabilities | Liability | Liability    
Liabilities    
Concentration risk, percentage 1.00% 1.00%
Fair Value, Recurring    
Assets    
Investment securities – available-for-sale $ 67,136 $ 62,039
Loans 1,129 1,156
Equity investments 3,097 3,132
Trading securities 4,429 2,774
Financial derivatives 3,071 3,011
Other assets 651 592
Total Assets 84,523 77,246
Liabilities    
Interest-bearing deposit, fair value 5,559 0
Other borrowed funds 1,443 1,299
Financial derivatives 4,478 5,495
Other liabilities 147 205
Total liabilities 11,627 6,999
Level 1 | Fair Value, Recurring    
Assets    
Investment securities – available-for-sale 24,925 22,534
Loans 0 0
Equity investments 651 825
Trading securities 1,801 987
Financial derivatives 12 3
Other assets 473 449
Total Assets 27,862 24,798
Liabilities    
Interest-bearing deposit, fair value 0 0
Other borrowed funds 1,271 1,161
Financial derivatives 10 11
Other liabilities 0 0
Total liabilities 1,281 1,172
Level 2 | Fair Value, Recurring    
Assets    
Investment securities – available-for-sale 41,406 38,652
Loans 478 486
Equity investments 0 0
Trading securities 2,628 1,787
Financial derivatives 3,050 3,004
Other assets 165 133
Total Assets 49,139 44,821
Liabilities    
Interest-bearing deposit, fair value 5,559 0
Other borrowed funds 161 128
Financial derivatives 4,359 5,334
Other liabilities 29 28
Total liabilities 10,108 5,490
Level 3    
Assets    
Equity investments 2,232 2,111
Liabilities    
Financial derivatives 96 143
Level 3 | Fair Value, Recurring    
Assets    
Investment securities – available-for-sale 805 853
Loans 651 670
Equity investments 2,232 2,111
Trading securities 0 0
Financial derivatives 9 4
Other assets 13 10
Total Assets 7,308 7,431
Liabilities    
Interest-bearing deposit, fair value 0 0
Other borrowed funds 11 10
Financial derivatives 109 150
Other liabilities 118 177
Total liabilities 238 337
Residential mortgage loans held for sale | Fair Value, Recurring    
Assets    
Commercial mortgage loans held for sale 705 628
Residential mortgage loans held for sale | Level 1 | Fair Value, Recurring    
Assets    
Commercial mortgage loans held for sale 0 0
Residential mortgage loans held for sale | Level 2 | Fair Value, Recurring    
Assets    
Commercial mortgage loans held for sale 575 560
Residential mortgage loans held for sale | Level 3 | Fair Value, Recurring    
Assets    
Commercial mortgage loans held for sale 130 68
Commercial mortgage loans held for sale | Fair Value, Recurring    
Assets    
Commercial mortgage loans held for sale 838 203
Commercial mortgage loans held for sale | Level 1 | Fair Value, Recurring    
Assets    
Commercial mortgage loans held for sale 0 0
Commercial mortgage loans held for sale | Level 2 | Fair Value, Recurring    
Assets    
Commercial mortgage loans held for sale 837 199
Commercial mortgage loans held for sale | Level 3 | Fair Value, Recurring    
Assets    
Commercial mortgage loans held for sale 1 4
U.S. Treasury and government agencies | Fair Value, Recurring    
Assets    
Investment securities – available-for-sale 25,962 23,551
U.S. Treasury and government agencies | Level 1 | Fair Value, Recurring    
Assets    
Investment securities – available-for-sale 24,925 22,534
U.S. Treasury and government agencies | Level 2 | Fair Value, Recurring    
Assets    
Investment securities – available-for-sale 1,037 1,017
U.S. Treasury and government agencies | Level 3 | Fair Value, Recurring    
Assets    
Investment securities – available-for-sale 0 0
Residential mortgage-backed | Mortgage-backed Securities Agency | Fair Value, Recurring    
Assets    
Investment securities – available-for-sale 32,573 30,626
Residential mortgage-backed | Mortgage-backed Securities Non-agency | Fair Value, Recurring    
Assets    
Investment securities – available-for-sale 581 603
Residential mortgage-backed | Level 1 | Mortgage-backed Securities Agency | Fair Value, Recurring    
Assets    
Investment securities – available-for-sale 0 0
Residential mortgage-backed | Level 1 | Mortgage-backed Securities Non-agency | Fair Value, Recurring    
Assets    
Investment securities – available-for-sale 0 0
Residential mortgage-backed | Level 2 | Mortgage-backed Securities Agency | Fair Value, Recurring    
Assets    
Investment securities – available-for-sale 32,573 30,626
Residential mortgage-backed | Level 2 | Mortgage-backed Securities Non-agency | Fair Value, Recurring    
Assets    
Investment securities – available-for-sale 0 0
Residential mortgage-backed | Level 3 | Mortgage-backed Securities Agency | Fair Value, Recurring    
Assets    
Investment securities – available-for-sale 0 0
Residential mortgage-backed | Level 3 | Mortgage-backed Securities Non-agency | Fair Value, Recurring    
Assets    
Investment securities – available-for-sale 581 603
Commercial mortgage servicing rights | Mortgage-backed Securities Agency | Fair Value, Recurring    
Assets    
Investment securities – available-for-sale 2,909 1,945
Commercial mortgage servicing rights | Mortgage-backed Securities Non-agency | Fair Value, Recurring    
Assets    
Investment securities – available-for-sale 500 691
Commercial mortgage servicing rights | Level 1 | Mortgage-backed Securities Agency | Fair Value, Recurring    
Assets    
Investment securities – available-for-sale 0 0
Commercial mortgage servicing rights | Level 1 | Mortgage-backed Securities Non-agency | Fair Value, Recurring    
Assets    
Investment securities – available-for-sale 0 0
Commercial mortgage servicing rights | Level 2 | Mortgage-backed Securities Agency | Fair Value, Recurring    
Assets    
Investment securities – available-for-sale 2,909 1,945
Commercial mortgage servicing rights | Level 2 | Mortgage-backed Securities Non-agency | Fair Value, Recurring    
Assets    
Investment securities – available-for-sale 421 588
Commercial mortgage servicing rights | Level 3 | Mortgage-backed Securities Agency | Fair Value, Recurring    
Assets    
Investment securities – available-for-sale 0 0
Commercial mortgage servicing rights | Level 3 | Mortgage-backed Securities Non-agency | Fair Value, Recurring    
Assets    
Investment securities – available-for-sale 79 103
Asset-backed | Fair Value, Recurring    
Assets    
Investment securities – available-for-sale 2,527 2,392
Asset-backed | Level 1 | Fair Value, Recurring    
Assets    
Investment securities – available-for-sale 0 0
Asset-backed | Level 2 | Fair Value, Recurring    
Assets    
Investment securities – available-for-sale 2,437 2,299
Asset-backed | Level 3 | Fair Value, Recurring    
Assets    
Investment securities – available-for-sale 90 93
Other | Fair Value, Recurring    
Assets    
Investment securities – available-for-sale 2,084 2,231
Other | Level 1 | Fair Value, Recurring    
Assets    
Investment securities – available-for-sale 0 0
Other | Level 2 | Fair Value, Recurring    
Assets    
Investment securities – available-for-sale 2,029 2,177
Other | Level 3 | Fair Value, Recurring    
Assets    
Investment securities – available-for-sale 55 54
Residential mortgage servicing rights | Fair Value, Recurring    
Assets    
Mortgage servicing rights 2,457 2,626
Residential mortgage servicing rights | Level 1 | Fair Value, Recurring    
Assets    
Mortgage servicing rights 0 0
Residential mortgage servicing rights | Level 2 | Fair Value, Recurring    
Assets    
Mortgage servicing rights 0 0
Residential mortgage servicing rights | Level 3 | Fair Value, Recurring    
Assets    
Mortgage servicing rights 2,457 2,626
Commercial mortgage servicing rights | Fair Value, Recurring    
Assets    
Mortgage servicing rights 1,010 1,085
Commercial mortgage servicing rights | Level 1 | Fair Value, Recurring    
Assets    
Mortgage servicing rights 0 0
Commercial mortgage servicing rights | Level 2 | Fair Value, Recurring    
Assets    
Mortgage servicing rights 0 0
Commercial mortgage servicing rights | Level 3 | Fair Value, Recurring    
Assets    
Mortgage servicing rights $ 1,010 $ 1,085