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Components of Other Comprehensive Income (Loss) | 12 Months Ended
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Dec. 31, 2022
Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Components of Other Comprehensive Income (Loss) | Components of Other Comprehensive Income (Loss) The following table provides the changes in accumulated other comprehensive income (loss) by component, net of tax, for the years ended December 31, 2022, 2021, and 2020: Table 8.13.1 ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
(Dollars in millions) |  | Securities AFS |  | Cash Flow Hedges |  | Pension and Post-retirement Plans |  | Total
Balance as of December 31, 2019 |  | $ | 31 |  |  | $ | 3 |  |  | $ | (273) |  |  | $ | (239) |
Net unrealized gains (losses) |  | 74 |  |  | 15 |  |  | 3 |  |  | 92 |
Amounts reclassified from AOCI |  | 3 |  |  | (6) |  |  | 10 |  |  | 7 |
Other comprehensive income (loss) |  | 77 |  |  | 9 |  |  | 13 |  |  | 99 |
Balance as of December 31, 2020 |  | $ | 108 |  |  | $ | 12 |  |  | $ | (260) |  |  | $ | (140) |
Net unrealized gains (losses) |  | (144) |  |  | (3) |  |  | (2) |  |  | (149) |
Amounts reclassified from AOCI |  | — |  |  | (7) |  |  | 8 |  |  | 1 |
Other comprehensive income (loss) |  | (144) |  |  | (10) |  |  | 6 |  |  | (148) |
Balance as of December 31, 2021 |  | $ | (36) |  |  | $ | 2 |  |  | $ | (254) |  |  | $ | (288) |
Net unrealized gains (losses) |  | $ | (937) |  |  | $ | (144) |  |  | $ | (22) |  |  | $ | (1,103) |
Amounts reclassified from AOCI |  | — |  |  | 15 |  |  | 8 |  |  | 23 |
Other comprehensive income (loss) |  | (937) |  |  | (129) |  |  | (14) |  |  | (1,080) |
Balance as of December 31, 2022 |  | $ | (973) |  |  | $ | (127) |  |  | $ | (268) |  |  | $ | (1,368) |
Reclassifications from AOCI, and related tax effects, were as follows: Table 8.13.2 RECLASSIFICATIONS FROM AOCI
(Dollars in millions) |  |  |  |
Details about AOCI |  | 2022 |  | 2021 |  | 2020 |  | Affected line item in the statement where net income is presented
Securities AFS: |  |  |  |  |  |  |  |
Realized (gains) losses on securities AFS |  | $ | — |  |  | $ | — |  |  | $ | 4 |  |  | Securities gains (losses), net
Tax expense (benefit) |  | — |  |  | — |  |  | (1) |  |  | Income tax expense
|  | — |  |  | — |  |  | 3 |  |  |
Cash flow hedges: |  |  |  |  |  |  |  |
Realized (gains) losses on cash flow hedges |  | 20 |  |  | (9) |  |  | (8) |  |  | Interest and fees on loans and leases
Tax expense (benefit) |  | (5) |  |  | 2 |  |  | 2 |  |  | Income tax expense
|  | 15 |  |  | (7) |  |  | (6) |  |  |
Pension and Postretirement Plans: |  |  |  |  |  |  |  |
Amortization of prior service cost and net actuarial (gain) loss |  | 10 |  |  | 10 |  |  | 13 |  |  | Other expense
Tax expense (benefit) |  | (2) |  |  | (2) |  |  | (3) |  |  | Income tax expense
|  | 8 |  |  | 8 |  |  | 10 |  |  |
Total reclassification from AOCI |  | $ | 23 |  |  | $ | 1 |  |  | $ | 7 |  |  |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI https://asc.fasb.org/topic&trid=2134417 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -URI https://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -URI https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 + Details
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