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Accumulated Other Comprehensive Loss (Tables) | 9 Months Ended
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Sep. 30, 2022
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Summary of the Entity's Accumulated Other Comprehensive Income (Loss) by Component | The table below summarizes changes in accumulated other comprehensive loss recorded on our consolidated balance sheet by component for the nine months ended September 30, 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 loss before reclassifications | — |  |  | — |  |  | (245) |  |  | — |  |  | (245) |
Amounts reclassified from accumulated other comprehensive loss | 68 |  |  | 4 |  |  | 112 |  |  | 17 |  |  | 201 |
Net current-period other comprehensive income (loss) | 68 |  |  | 4 |  |  | (133) |  |  | 17 |  |  | (44) |
Balance at September 30, 2022 | $ | (1,509) |  |  | (160) |  |  | (533) |  |  | — |  |  | (2,202) |
The table below summarizes changes in accumulated other comprehensive loss recorded on our consolidated balance sheets by component for the nine months ended September 30, 2021:
| Pension Plans |  | Post-Retirement Benefit Plans |  | Foreign Currency Translation Adjustment and Other |  | Interest Rate Swap |  | Total
| (Dollars in millions)
Balance at December 31, 2020 | $ | (2,197) |  |  | (272) |  |  | (265) |  |  | (79) |  |  | (2,813) |
Other comprehensive income (loss) before reclassifications | 133 |  |  | — |  |  | (103) |  |  | (1) |  |  | 29 |
Amounts reclassified from accumulated other comprehensive loss | 149 |  |  | 11 |  |  | — |  |  | 47 |  |  | 207 |
Net current-period other comprehensive income (loss) | 282 |  |  | 11 |  |  | (103) |  |  | 46 |  |  | 236 |
Balance at September 30, 2021 | $ | (1,915) |  |  | (261) |  |  | (368) |  |  | (33) |  |  | (2,577) |
Schedule of Reclassifications Out of Accumulated Other Comprehensive Income (Loss) by Component | The amount of realized losses reclassified from AOCI to the statement of operations consists of the following (in millions):
Derivatives designated as hedging instruments |  | 2022 |  | 2021
Cash flow hedging contracts |  |  |  |
Three Months Ended September 30, |  | $ | — |  |  | 21 |
Nine Months Ended September 30, |  | $ | 22 |  |  | 62 |
The tables below present further information about our reclassifications out of accumulated other comprehensive loss by component for the three and nine months ended September 30, 2022:
Three Months Ended September 30, 2022 |  | Decrease (Increase) in Net Income |  | Affected Line Item in Consolidated Statement of Operations
|  | (Dollars in millions) |  |
Interest rate swaps |  | $ | — |  |  | Interest expense
Income tax benefit |  | — |  |  | Income tax expense
Net of tax |  | $ | — |  |  |
Amortization of pension & post-retirement plans(1) |  |  |  |
Net actuarial loss |  | $ | 32 |  |  | Other (expense) income, net
Prior service cost |  | (2) |  |  | Other (expense) income, net
Total before tax |  | 30 |  |  |
Income tax benefit |  | (7) |  |  | Income tax expense
Net of tax |  | $ | 23 |  |  |
Reclassification of realized loss on foreign currency translation to gain on sale of business |  | $ | 112 |  |  | Gain on sale of business
Income tax benefit |  | — |  |  | Income tax expense
Net of tax |  | $ | 112 |  |  |
Nine Months Ended September 30, 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 |  | $ | 99 |  |  | Other (expense) income, net
Prior service credit |  | (3) |  |  | Other (expense) income, net
Total before tax |  | 96 |  |  |
Income tax benefit |  | (24) |  |  | Income tax expense
Net of tax |  | $ | 72 |  |  |
Reclassification of realized loss on foreign currency translation to gain on sale of business |  | $ | 112 |  |  | Gain on sale of business
Income tax benefit |  | — |  |  | Income tax expense
Net of tax |  | $ | 112 |  |  |
________________________________________________________________________ (1)See Note 8—Employee Benefits for additional information on our net periodic benefit expense (income) related to our pension and post-retirement plans. The tables below present further information about our reclassifications out of accumulated other comprehensive loss by component for the three and nine months ended September 30, 2021:
Three Months Ended September 30, 2021 |  | Decrease (Increase) in Net Income |  | Affected Line Item in Consolidated Statement of Operations
|  | (Dollars in millions) |  |
Interest rate swaps |  | $ | 21 |  |  | Interest expense
Income tax expense |  | (5) |  |  | Income tax expense
Net of tax |  | $ | 16 |  |  |
Amortization of pension & post-retirement plans(1) |  |  |  |
Net actuarial loss |  | $ | 108 |  |  | Other (expense) income, net
Prior service cost |  | 1 |  |  | Other (expense) income, net
Total before tax |  | 109 |  |  |
Income tax benefit |  | (27) |  |  | Income tax expense
Net of tax |  | $ | 82 |  |  |
Nine Months Ended September 30, 2021 |  | Decrease (Increase) in Net Income |  | Affected Line Item in Consolidated Statement of Operations
|  | (Dollars in millions) |  |
Interest rate swaps |  | $ | 62 |  |  | Interest expense
Income tax benefit |  | (15) |  |  | Income tax expense
Net of tax |  | $ | 47 |  |  |
Amortization of pension & post-retirement plans(1) |  |  |  |
Net actuarial loss |  | $ | 208 |  |  | Other (expense) income, net
Prior service cost |  | 4 |  |  | Other (expense) income, net
Total before tax |  | 212 |  |  |
Income tax benefit |  | (52) |  |  | Income tax expense
Net of tax |  | $ | 160 |  |  |
________________________________________________________________________ (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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