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v3.25.1

Accumulated Other Comprehensive Income - Activity in AOCI (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Pretax unrealized losses | $ 974 | $ (525)
Other comprehensive income (loss), tax effect | (233) | 124
Other comprehensive income (loss), net of tax | 741 | (401)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |
Beginning balance | 19,645 | 19,172
Other comprehensive loss, net of tax | 741 | (401)
Ending balance | 20,403 | 19,018
AOCI |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Other comprehensive income (loss), net of tax | 741 | (401)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |
Beginning balance | (4,636) | (4,487)
Other comprehensive loss, net of tax | 741 | (401)
Ending balance | (3,895) | (4,888)
Available-for-sale debt securities |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Other comprehensive income (loss) before reclassifications, pre-tax activity | 633 | (236)
Other comprehensive income (loss), before reclassifications, tax effect | (152) | 54
Other comprehensive income (loss), before reclassifications, net activity | 481 | (182)
Reclassification adjustment, pre-tax activity | 0 | 3
Reclassification adjustment, tax effect | 0 | 0
Reclassification adjustment, net activity | 0 | 3
Pretax unrealized losses | 633 | 761
Other comprehensive income (loss), tax effect | (152) | (155)
Other comprehensive income (loss), net of tax | 481 | 606
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |
Beginning balance | (3,280) | (4,094)
Other comprehensive loss, net of tax | 481 | 606
Ending balance | (2,799) | (3,488)
Available-for-sale debt securities transferred to held-to-maturity securities |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Other comprehensive income (loss) before reclassifications, pre-tax activity |  | (994)
Other comprehensive income (loss), before reclassifications, tax effect |  | 209
Other comprehensive income (loss), before reclassifications, net activity |  | (785)
Reclassification adjustment, pre-tax activity | 32 | 32
Reclassification adjustment, tax effect | (7) | (7)
Reclassification adjustment, net activity | 25 | 25
Pretax unrealized losses | 32 | (962)
Other comprehensive income (loss), tax effect | (7) | 202
Other comprehensive income (loss), net of tax | 25 | (760)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |
Beginning balance | (684) | 0
Other comprehensive loss, net of tax | 25 | (760)
Ending balance | (659) | (760)
Cash flow hedge derivatives |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Other comprehensive income (loss) before reclassifications, pre-tax activity | 253 | (413)
Other comprehensive income (loss), before reclassifications, tax effect | (60) | 97
Other comprehensive income (loss), before reclassifications, net activity | 193 | (316)
Reclassification adjustment, pre-tax activity | 56 | 89
Reclassification adjustment, tax effect | (14) | (20)
Reclassification adjustment, net activity | 42 | 69
Pretax unrealized losses | 309 | (324)
Other comprehensive income (loss), tax effect | (74) | 77
Other comprehensive income (loss), net of tax | 235 | (247)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |
Beginning balance | (654) | (372)
Other comprehensive loss, net of tax | 235 | (247)
Ending balance | (419) | (619)
Defined benefit pension plants, net |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Pretax unrealized losses | 0 | 0
Other comprehensive income (loss), tax effect | 0 | 0
Other comprehensive income (loss), net of tax | 0 | 0
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |
Beginning balance | (16) | (17)
Other comprehensive loss, net of tax | 0 | 0
Ending balance | (16) | (17)
Other |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Pretax unrealized losses | 0 | 0
Other comprehensive income (loss), tax effect | 0 | 0
Other comprehensive income (loss), net of tax | 0 | 0
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |
Beginning balance | (2) | (4)
Other comprehensive loss, net of tax | 0 | 0
Ending balance | $ (2) | $ (4)

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