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Comprehensive income | 12 Months Ended
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Dec. 31, 2024
Equity [Abstract] |
Comprehensive income | Comprehensive income The following tables display the components of other comprehensive income (loss) and amounts reclassified from accumulated other comprehensive income (loss) to net income:
(Dollars in millions) | Investment Securities |  | Cash Flow Hedges |  | Defined Benefit Plans |  | Other |  | Total Amount Before Tax |  | Income Tax |  | Net
Balance — January 1, 2024 | $ | (251) |  |  | $ | (203) |  |  | $ | (155) |  |  | $ | (7) |  |  | $ | (616) |  |  | $ | 157 |  |  | $ | (459) |
Other comprehensive income before reclassifications: |  |  |  |  |  |  |  |  |  |  |  |  |
Unrealized holding gains, net | 31 |  |  | — |  |  | — |  |  | — |  |  | 31 |  |  | (8) |  |  | 23 |
Unrealized losses on cash flow hedges | — |  |  | (296) |  |  | — |  |  | — |  |  | (296) |  |  | 77 |  |  | (219) |
Current year benefit plans gains | — |  |  | — |  |  | 305 |  |  | — |  |  | 305 |  |  | (78) |  |  | 227 |
Other | — |  |  | — |  |  | — |  |  | (3) |  |  | (3) |  |  | 1 |  |  | (2) |
Total other comprehensive income (loss) before reclassifications | 31 |  |  | (296) |  |  | 305 |  |  | (3) |  |  | 37 |  |  | (8) |  |  | 29 |
Amounts reclassified from accumulated other comprehensive income that (increase) decrease net income: |  |  |  |  |  |  |  |  |  |  |  |  |
Net losses realized in net income | 15 |  |  | — |  |  | — |  |  | — |  |  | 15 |  |  | (4) |  |  | 11 |
Net yield adjustment from cash flow hedges currently in effect | — |  |  | 364 |  |  | — |  |  | — |  |  | 364 |  | (a) | (95) |  |  | 269 |
Amortization of prior service credit | — |  |  | — |  |  | (2) |  |  | — |  |  | (2) |  | (b) | 1 |  |  | (1) |
Amortization of actuarial gains | — |  |  | — |  |  | (5) |  |  | — |  |  | (5) |  | (b) | 1 |  |  | (4) |
Settlement gain | — |  |  | — |  |  | (12) |  |  | — |  |  | (12) |  | (b) | 3 |  |  | (9) |
Total other comprehensive income (loss) | 46 |  |  | 68 |  |  | 286 |  |  | (3) |  |  | 397 |  |  | (102) |  |  | 295 |
Balance — December 31, 2024 | $ | (205) |  |  | $ | (135) |  |  | $ | 131 |  |  | $ | (10) |  |  | $ | (219) |  |  | $ | 55 |  |  | $ | (164) |
Balance — January 1, 2023 | $ | (444) |  |  | $ | (337) |  |  | $ | (273) |  |  | $ | (12) |  |  | $ | (1,066) |  |  | $ | 276 |  |  | $ | (790) |
Other comprehensive income before reclassifications: |  |  |  |  |  |  |  |  |  |  |  |  |
Unrealized holding gains, net | 193 |  |  | — |  |  | — |  |  | — |  |  | 193 |  |  | (51) |  |  | 142 |
Unrealized losses on cash flow hedges | — |  |  | (116) |  |  | — |  |  | — |  |  | (116) |  |  | 30 |  |  | (86) |
Current year benefit plans gains | — |  |  | — |  |  | 125 |  |  | — |  |  | 125 |  |  | (33) |  |  | 92 |
Other | — |  |  | — |  |  | — |  |  | 5 |  |  | 5 |  |  | (1) |  |  | 4 |
Total other comprehensive income (loss) before reclassifications | 193 |  |  | (116) |  |  | 125 |  |  | 5 |  |  | 207 |  |  | (55) |  |  | 152 |
Amounts reclassified from accumulated other comprehensive income that (increase) decrease net income: |  |  |  |  |  |  |  |  |  |  |  |  |
Net yield adjustment from cash flow hedges currently in effect | — |  |  | 250 |  |  | — |  |  | — |  |  | 250 |  | (a) | (66) |  |  | 184 |
Amortization of prior service credit | — |  |  | — |  |  | (2) |  |  | — |  |  | (2) |  | (b) | 1 |  |  | (1) |
Amortization of actuarial gains | — |  |  | — |  |  | (5) |  |  | — |  |  | (5) |  | (b) | 1 |  |  | (4) |
Total other comprehensive income (loss) | 193 |  |  | 134 |  |  | 118 |  |  | 5 |  |  | 450 |  |  | (119) |  |  | 331 |
Balance — December 31, 2023 | $ | (251) |  |  | $ | (203) |  |  | $ | (155) |  |  | $ | (7) |  |  | $ | (616) |  |  | $ | 157 |  |  | $ | (459) |
(Dollars in millions) | Investment Securities |  | Cash Flow Hedges |  | Defined Benefit Plans |  | Other |  | Total Amount Before Tax |  | Income Tax |  | Net
Balance — January 1, 2022 | $ | 105 |  |  | $ | 88 |  |  | $ | (360) |  |  | $ | (4) |  |  | $ | (171) |  |  | $ | 44 |  |  | $ | (127) |
Other comprehensive income before reclassifications: |  |  |  |  |  |  |  |  |  |  |  |  |
Unrealized holding losses, net | (551) |  |  | — |  |  | — |  |  | — |  |  | (551) |  |  | 143 |  |  | (408) |
Unrealized losses on cash flow hedges | — |  |  | (461) |  |  | — |  |  | — |  |  | (461) |  |  | 119 |  |  | (342) |
Current year benefit plans gains | — |  |  | — |  |  | 71 |  |  | — |  |  | 71 |  |  | (18) |  |  | 53 |
Other | — |  |  | — |  |  | — |  |  | (8) |  |  | (8) |  |  | 2 |  |  | (6) |
Total other comprehensive income (loss) before reclassifications | (551) |  |  | (461) |  |  | 71 |  |  | (8) |  |  | (949) |  |  | 246 |  |  | (703) |
Amounts reclassified from accumulated other comprehensive income that (increase) decrease net income: |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization of unrealized holding losses on held-to-maturity securities | 2 |  |  | — |  |  | — |  |  | — |  |  | 2 |  | (a) | (1) |  |  | 1 |
Net yield adjustment from cash flow hedges currently in effect | — |  |  | 36 |  |  | — |  |  | — |  |  | 36 |  | (a) | (9) |  |  | 27 |
Amortization of prior service credit | — |  |  | — |  |  | (2) |  |  | — |  |  | (2) |  | (b) | — |  |  | (2) |
Amortization of actuarial losses | — |  |  | — |  |  | 18 |  |  | — |  |  | 18 |  | (b) | (4) |  |  | 14 |
Total other comprehensive income (loss) | (549) |  |  | (425) |  |  | 87 |  |  | (8) |  |  | (895) |  |  | 232 |  |  | (663) |
Balance — December 31, 2022 | $ | (444) |  |  | $ | (337) |  |  | $ | (273) |  |  | $ | (12) |  |  | $ | (1,066) |  |  | $ | 276 |  |  | $ | (790) |
__________________________________________________________________________________ (a)Included in Interest income in the Consolidated Statement of Income. (b)Included in Other costs of operations in the Consolidated Statement of Income. Accumulated other comprehensive income (loss), net consisted of the following:
(Dollars in millions) | Investment Securities |  | Cash Flow Hedges |  | Defined Benefit Plans |  | Other |  | Total
Balance at January 1, 2022 | $ | 78 |  |  | $ | 66 |  |  | $ | (267) |  |  | $ | (4) |  |  | $ | (127) |
Net gain (loss) during 2022 | (407) |  |  | (315) |  |  | 65 |  |  | (6) |  |  | (663) |
Balance at December 31, 2022 | (329) |  |  | (249) |  |  | (202) |  |  | (10) |  |  | (790) |
Net gain during 2023 | 142 |  |  | 98 |  |  | 87 |  |  | 4 |  |  | 331 |
Balance at December 31, 2023 | (187) |  |  | (151) |  |  | (115) |  |  | (6) |  |  | (459) |
Net gain (loss) during 2024 | 34 |  |  | 50 |  |  | 213 |  |  | (2) |  |  | 295 |
Balance at December 31, 2024 | $ | (153) |  |  | $ | (101) |  |  | $ | 98 |  |  | $ | (8) |  |  | $ | (164) |

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/220/tableOfContent + Details
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