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Accumulated Other Comprehensive Loss | 3 Months Ended
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Mar. 31, 2023
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Accumulated Other Comprehensive Loss | Accumulated Other Comprehensive Loss Information Relating to 2023 The table below summarizes changes in accumulated other comprehensive loss recorded on our consolidated balance sheet by component for the three months ended March 31, 2023:
| Pension Plans |  | Post-Retirement Benefit Plans |  | Foreign Currency Translation Adjustment and Other |  |  |  | Total
| (Dollars in millions)
Balance at December 31, 2022 | $ | (985) |  |  | 308 |  |  | (422) |  |  |  |  | (1,099) |
Other comprehensive income (loss) before reclassifications | — |  |  | — |  |  | 18 |  |  |  |  | 18 |
Amounts reclassified from accumulated other comprehensive loss | 17 |  |  | (5) |  |  | — |  |  |  |  | 12 |
Net current-period other comprehensive income (loss) | 17 |  |  | (5) |  |  | 18 |  |  |  |  | 30 |
Balance at March 31, 2023 | $ | (968) |  |  | 303 |  |  | (404) |  |  |  |  | (1,069) |
The table below presents further information about our reclassifications out of accumulated other comprehensive loss by component for the three months ended March 31, 2023:
Three Months Ended March 31, 2023 |  | Decrease (Increase) in Net Income |  | Affected Line Item in Consolidated Statement of Operations
|  | (Dollars in millions) |  |
Amortization of pension & post-retirement plans(1) |  |  |  |
Net actuarial loss |  | $ | 20 |  |  | Other (expense) income, net
Prior service credit |  | (4) |  |  | Other (expense) income, net
Total before tax |  | 16 |  |  |
Income tax benefit |  | (4) |  |  | Income tax expense
Net of tax |  | $ | 12 |  |  |
________________________________________________________________________ (1)See Note 8—Employee Benefits for additional information on our net periodic benefit expense (income) related to our pension and post-retirement plans. Information Relating to 2022 The table below summarizes changes in accumulated other comprehensive loss recorded on our consolidated balance sheets by component for the three months ended March 31, 2022:
| Pension Plans |  | Post-Retirement Benefit Plans |  | Foreign Currency Translation Adjustment and Other |  | Interest Rate Swap |  | Total
| (Dollars in millions)
Balance at December 31, 2021 | $ | (1,577) |  |  | (164) |  |  | (400) |  |  | (17) |  |  | (2,158) |
Other comprehensive income (loss) before reclassifications | — |  |  | — |  |  | 67 |  |  | — |  |  | 67 |
Amounts reclassified from accumulated other comprehensive loss | 26 |  |  | 1 |  |  | — |  |  | 17 |  |  | 44 |
Net current-period other comprehensive income (loss) | 26 |  |  | 1 |  |  | 67 |  |  | 17 |  |  | 111 |
Balance at March 31, 2022 | $ | (1,551) |  |  | (163) |  |  | (333) |  |  | — |  |  | (2,047) |
The table below presents further information about our reclassifications out of accumulated other comprehensive loss by component for the three months ended March 31, 2022:
Three Months Ended March 31, 2022 |  | Decrease (Increase) in Net Income |  | Affected Line Item in Consolidated Statement of Operations
|  | (Dollars in millions) |  |
Interest rate swaps |  | $ | 22 |  |  | Interest expense
Income tax benefit |  | (5) |  |  | Income tax expense
Net of tax |  | $ | 17 |  |  |
Amortization of pension & post-retirement plans(1) |  |  |  |
Net actuarial loss |  | $ | 37 |  |  | Other (expense) income, net
Prior service cost |  | (1) |  |  | Other (expense) income, net
Total before tax |  | 36 |  |  |
Income tax benefit |  | (9) |  |  | Income tax expense
Net of tax |  | $ | 27 |  |  |
________________________________________________________________________ (1)See Note 8—Employee Benefits for additional information on our net periodic benefit income related to our pension and post-retirement plans.

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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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