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Consolidated Statements of Comprehensive Income - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Statement of Comprehensive Income [Abstract] |  |  |
Net income | $ 881 | $ 1,151 | $ 1,168
Net unrealized gains (losses) arising during the period | 361 | (2,903) | (406)
Change in net unrealized gains (losses) before income taxes | 361 | (2,903) | (406)
Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net | 34 | (1,329) | (35)
Reclassification of loss related to de-designation of derivatives to other noninterest income | (195) | 0 | 0
Net cash flow hedge (losses) gains recognized in interest and fees on loans before taxes | (576) | (25) | 95
Amortization of unrealized losses related to de-designated derivatives | (26) | 0 | 0
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax, Total | 441 | (1,304) | (130)
Benefit plans, Actuarial gain (loss) arising during the period | 96 | (415) | 159
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), before Tax | 0 | 0 | 1
Amortization of actuarial net loss | 36 | 28 | 40
Amortization of prior service credit | (23) | (23) | (25)
Change in defined benefit pension and other postretirement plans adjustment before income taxes | 109 | (410) | 175
Total other comprehensive income (loss) before income taxes | 911 | (4,617) | (361)
Provision (benefit) for income taxes | 217 | (1,087) | (85)
Total other comprehensive income (loss), net of tax | 694 | (3,530) | (276)
Comprehensive Income (loss) | $ 1,575 | $ (2,379) | $ 892

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