v3.25.1
Fair Value Measurements - Changes in Fair Value of Level 3 Assets and Liabilities (Detail) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Net income Net income
Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Net income Net income
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Net income Net income
Derivatives liability    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Total liabilities, ending balance $ (130) $ (196)
Level 3    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Total assets, beginning balance 210 138
Assets, Total Realized/Unrealized Gains (Losses) Included in Earnings (48) 54
Assets, Total Realized/Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) 1 (1)
Assets, Purchases 2 17
Assets, Issuances 0 0
Assets, Settlements (119) (16)
Assets, Transfers Into Level 3 (6) (2)
Assets Transfers out of Level 3 42 (10)
Total assets, ending balance 82 180
Assets, Current Period Unrealized Gains (Losses) Still Held Included in Earnings (16) 50
Assets, Current Period Unrealized Gains (Losses) Still Held Included in Other Comprehensive Income (Loss) 1 (1)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Total liabilities, beginning balance (2,444) (2,212)
Total Realized/Unrealized Gains (Losses) Included in Earnings 3 (111)
Total Realized/Unrealized Gains (Losses) Included in Other Comprehensive Income 0 (4)
Purchases 0 0
Issuances (319) (401)
Settlements 261 316
Transfers Into Level 3 (346) (13)
Transfers Out of Level 3 604 135
Total liabilities, ending balance (2,241) (2,290)
Current Period Unrealized Gains (Losses) Still Held Included in Earnings 8 (72)
Current Period Unrealized Gains (Losses) Still Held Included in Other Comprehensive Income (Loss) 0 (4)
Level 3 | Interest rate contracts    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Derivatives, net, Beginning Balance (3) (4)
Derivatives, net, Total Realized/Unrealized Gains (Losses) Included in Earnings 0 (1)
Derivatives, net, Total Realized/Unrealized Gains (Losses) Included in Other Comprehensive Income 0 0
Derivatives, net, Purchases 0 0
Derivatives, net, Issuances 0 0
Derivatives, net, Settlements 0 0
Derivatives, net, Transfers into Level 3 0 2
Derivatives, net, Transfers out of Level 3 0 0
Derivatives, net, Ending Balance (3) (3)
Derivatives, net, Current Period Unrealized Gains (Losses) Still Held Included in Earnings 1 (1)
Derivatives, net, Current Period Unrealized Gains (Losses) Still Held Included in Other Comprehensive Income (Loss) 0 0
Level 3 | Foreign exchange contracts    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Derivatives, net, Beginning Balance 0 0
Derivatives, net, Total Realized/Unrealized Gains (Losses) Included in Earnings 0 0
Derivatives, net, Total Realized/Unrealized Gains (Losses) Included in Other Comprehensive Income 0 0
Derivatives, net, Purchases 0 0
Derivatives, net, Issuances 0 0
Derivatives, net, Settlements 0 0
Derivatives, net, Transfers into Level 3 0 0
Derivatives, net, Transfers out of Level 3 0 0
Derivatives, net, Ending Balance 0 0
Derivatives, net, Current Period Unrealized Gains (Losses) Still Held Included in Earnings 0 0
Derivatives, net, Current Period Unrealized Gains (Losses) Still Held Included in Other Comprehensive Income (Loss) 0 0
Level 3 | Equity contracts - bilateral OTC(2)    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Derivatives, net, Beginning Balance (18) 21
Derivatives, net, Total Realized/Unrealized Gains (Losses) Included in Earnings (41) 59
Derivatives, net, Total Realized/Unrealized Gains (Losses) Included in Other Comprehensive Income 0 0
Derivatives, net, Purchases 0 0
Derivatives, net, Issuances 0 0
Derivatives, net, Settlements (7) 3
Derivatives, net, Transfers into Level 3 (6) (7)
Derivatives, net, Transfers out of Level 3 42 (9)
Derivatives, net, Ending Balance (30) 67
Derivatives, net, Current Period Unrealized Gains (Losses) Still Held Included in Earnings (17) 50
Derivatives, net, Current Period Unrealized Gains (Losses) Still Held Included in Other Comprehensive Income (Loss) 0 0
Level 3 | Credit contracts    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Derivatives, net, Beginning Balance (1) 1
Derivatives, net, Total Realized/Unrealized Gains (Losses) Included in Earnings 0 (3)
Derivatives, net, Total Realized/Unrealized Gains (Losses) Included in Other Comprehensive Income 0 0
Derivatives, net, Purchases 0 0
Derivatives, net, Issuances 0 0
Derivatives, net, Settlements 0 (1)
Derivatives, net, Transfers into Level 3 0 0
Derivatives, net, Transfers out of Level 3 0 3
Derivatives, net, Ending Balance (1) 0
Derivatives, net, Current Period Unrealized Gains (Losses) Still Held Included in Earnings 0 0
Derivatives, net, Current Period Unrealized Gains (Losses) Still Held Included in Other Comprehensive Income (Loss) 0 0
Level 3 | Other Contracts    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Derivatives, net, Beginning Balance (26) (35)
Derivatives, net, Total Realized/Unrealized Gains (Losses) Included in Earnings (7) (2)
Derivatives, net, Total Realized/Unrealized Gains (Losses) Included in Other Comprehensive Income 0 0
Derivatives, net, Purchases 0 0
Derivatives, net, Issuances 0 0
Derivatives, net, Settlements 7 7
Derivatives, net, Transfers into Level 3 0 0
Derivatives, net, Transfers out of Level 3 0 0
Derivatives, net, Ending Balance (26) (30)
Derivatives, net, Current Period Unrealized Gains (Losses) Still Held Included in Earnings 0 0
Derivatives, net, Current Period Unrealized Gains (Losses) Still Held Included in Other Comprehensive Income (Loss) $ 0 $ 0
Asset-backed securities available-for-sale    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other comprehensive income (loss), net of tax Other comprehensive income (loss), net of tax
Asset-backed securities available-for-sale | Level 3    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Total assets, beginning balance $ 97 $ 104
Assets, Total Realized/Unrealized Gains (Losses) Included in Earnings 0 0
Assets, Total Realized/Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) 1 (1)
Assets, Purchases 0 0
Assets, Issuances 0 0
Assets, Settlements (4) (1)
Assets, Transfers Into Level 3 0 0
Assets Transfers out of Level 3 0 0
Total assets, ending balance 94 102
Assets, Current Period Unrealized Gains (Losses) Still Held Included in Earnings 0 0
Assets, Current Period Unrealized Gains (Losses) Still Held Included in Other Comprehensive Income (Loss) $ 1 $ (1)
Mortgage servicing rights    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other income (loss) Other income (loss)
Mortgage servicing rights | Level 3    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Total assets, beginning balance $ 7 $ 19
Assets, Total Realized/Unrealized Gains (Losses) Included in Earnings 0 0
Assets, Total Realized/Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) 0 0
Assets, Purchases 0 0
Assets, Issuances 0 0
Assets, Settlements 0 0
Assets, Transfers Into Level 3 0 0
Assets Transfers out of Level 3 0 0
Total assets, ending balance 7 19
Assets, Current Period Unrealized Gains (Losses) Still Held Included in Earnings 0 0
Assets, Current Period Unrealized Gains (Losses) Still Held Included in Other Comprehensive Income (Loss) 0 0
Derivative assets    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Total assets, ending balance 70 230
Domestic deposits | Level 3    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Total liabilities, beginning balance (291) (293)
Total Realized/Unrealized Gains (Losses) Included in Earnings (1) (4)
Total Realized/Unrealized Gains (Losses) Included in Other Comprehensive Income 0 (2)
Purchases 0 0
Issuances (15) (74)
Settlements 14 35
Transfers Into Level 3 (68) 0
Transfers Out of Level 3 66 7
Total liabilities, ending balance (295) (331)
Current Period Unrealized Gains (Losses) Still Held Included in Earnings 1 (3)
Current Period Unrealized Gains (Losses) Still Held Included in Other Comprehensive Income (Loss) 0 (2)
Long-term debt | Level 3    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Total liabilities, beginning balance (2,153) (1,919)
Total Realized/Unrealized Gains (Losses) Included in Earnings 4 (107)
Total Realized/Unrealized Gains (Losses) Included in Other Comprehensive Income 0 (2)
Purchases 0 0
Issuances (304) (327)
Settlements 247 281
Transfers Into Level 3 (278) (13)
Transfers Out of Level 3 538 128
Total liabilities, ending balance (1,946) (1,959)
Current Period Unrealized Gains (Losses) Still Held Included in Earnings 7 (69)
Current Period Unrealized Gains (Losses) Still Held Included in Other Comprehensive Income (Loss) 0 (2)
Loans held for sale | Loans | Level 3    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Total assets, beginning balance 154 32
Assets, Total Realized/Unrealized Gains (Losses) Included in Earnings 0 1
Assets, Total Realized/Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) 0 0
Assets, Purchases 2 17
Assets, Issuances 0 0
Assets, Settlements (115) (24)
Assets, Transfers Into Level 3 0 3
Assets Transfers out of Level 3 0 (4)
Total assets, ending balance 41 25
Assets, Current Period Unrealized Gains (Losses) Still Held Included in Earnings 0 1
Assets, Current Period Unrealized Gains (Losses) Still Held Included in Other Comprehensive Income (Loss) $ 0 $ 0