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
|