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Accumulated Other Comprehensive Income - Reclassifications Out of AOCI (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Other income | [1] | $ 35 | $ 31 | $ 120
Income (loss) before income taxes and equity in net income (loss) less dividends from subsidiaries |  | 1,190 | 2,360 | 3,281
Income taxes |  | 196 | 422 | 642
Interest income — Loans |  | 6,219 | 4,241 | 3,532
Interest expense — Long-term debt |  | (1,305) | (475) | (221)
Investment banking and debt placement fees |  | 542 | 638 | 937
Other expense |  | 997 | 707 | 705
INCOME (LOSS) FROM CONTINUING OPERATIONS |  | 964 | 1,911 | $ 2,612
Reclassification out of Accumulated Other Comprehensive Income | Unrealized gains (losses) on securities available for sale |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Other income |  | (4) | 0 |
Income (loss) before income taxes and equity in net income (loss) less dividends from subsidiaries |  | (4) | 0 |
Income taxes |  | (1) | 0 |
INCOME (LOSS) FROM CONTINUING OPERATIONS |  | (3) | 0 |
Reclassification out of Accumulated Other Comprehensive Income | Unrealized gains (losses) on derivative financial instruments |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Income (loss) before income taxes and equity in net income (loss) less dividends from subsidiaries |  | (953) | (140) |
Income taxes |  | (228) | (33) |
INCOME (LOSS) FROM CONTINUING OPERATIONS |  | (725) | (107) |
Reclassification out of Accumulated Other Comprehensive Income | Unrealized gains (losses) on derivative financial instruments | Interest rate |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Interest income — Loans |  | (956) | (146) |
Interest expense — Long-term debt |  | (2) | (3) |
Investment banking and debt placement fees |  | 5 | 9 |
Reclassification out of Accumulated Other Comprehensive Income | Amortization of losses |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Other expense |  | (8) | (15) |
Reclassification out of Accumulated Other Comprehensive Income | Settlement loss |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Other expense |  | (18) | (12) |
Reclassification out of Accumulated Other Comprehensive Income | Amortization of prior service credit |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Other expense |  | 1 | 1 |
Reclassification out of Accumulated Other Comprehensive Income | Net pension and postretirement benefit costs |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Income (loss) before income taxes and equity in net income (loss) less dividends from subsidiaries |  | (25) | (26) |
Income taxes |  | (7) | (6) |
INCOME (LOSS) FROM CONTINUING OPERATIONS |  | $ (18) | $ (20) |
[1] | Net securities gains (losses) totaled $(11) million for the year ended December 31, 2023, $9 million for the year ended December 31, 2022, and $7 million for the year ended December 31, 2021.

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