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Accumulated Other Comprehensive Income (Loss) (Tables) | 12 Months Ended
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Dec. 31, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items] |
Accumulated Other Comprehensive Income (Loss) | The after-tax changes in AOCI by component for the years ended December 31 were as follows:
|  |  |  |  |  |  |  |  | Defined benefit plans |  |
| Foreign currency translation adjustments |  |  |  | Unrealized gains (losses) on qualifying derivatives |  | Equity investees' AOCI |  | Prior service costs |  | Actuarial gain (loss) |  | Total
PPL |  |  |  |  |  |  |  |  |  |  |  |  |
December 31, 2019 | $ | (1,425) |  |  |  |  | $ | (5) |  |  | $ | — |  |  | $ | (18) |  |  | $ | (2,910) |  |  | $ | (4,358) |
Amounts arising during the year | 267 |  |  |  |  | (19) |  |  | — |  |  | (1) |  |  | (341) |  |  | (94) |
Reclassifications from AOCI | — |  |  |  |  | 24 |  |  | — |  |  | 3 |  |  | 205 |  |  | 232 |
Net OCI during the year | 267 |  |  |  |  | 5 |  |  | — |  |  | 2 |  |  | (136) |  |  | 138 |
December 31, 2020 | $ | (1,158) |  |  |  |  | $ | — |  |  | $ | — |  |  | $ | (16) |  |  | $ | (3,046) |  |  | $ | (4,220) |
Amounts arising during the year | 372 |  |  |  |  | (39) |  |  | — |  |  | — |  |  | (1) |  |  | 332 |
Reclassifications from AOCI | — |  |  |  |  | 25 |  |  | — |  |  | 2 |  |  | 126 |  |  | 153 |
Reclassifications from AOCI due to the sale of the U.K. utility business (Note 9) | 786 |  |  |  |  | 15 |  |  | — |  |  | 8 |  |  | 2,769 |  |  | 3,578 |
Net OCI during the year | 1,158 |  |  |  |  | 1 |  |  | — |  |  | 10 |  |  | 2,894 |  |  | 4,063 |
December 31, 2021 | $ | — |  |  |  |  | $ | 1 |  |  | $ | — |  |  | $ | (6) |  |  | $ | (152) |  |  | $ | (157) |
|  |  |  |  |  |  |  |  | Defined benefit plans |  |
| Foreign currency translation adjustments |  |  |  | Unrealized gains (losses) on qualifying derivatives |  | Equity investees' AOCI |  | Prior service costs |  | Actuarial gain (loss) |  | Total
Amounts arising during the year | — |  |  |  |  | — |  |  | 2 |  |  | (1) |  |  | 11 |  |  | 12 |
Reclassifications from AOCI | — |  |  |  |  | 2 |  |  | — |  |  | 2 |  |  | 17 |  |  | 21 |
Net OCI during the year | — |  |  |  |  | 2 |  |  | 2 |  |  | 1 |  |  | 28 |  |  | 33 |
December 31, 2022 | $ | — |  |  |  |  | $ | 3 |  |  | $ | 2 |  |  | $ | (5) |  |  | $ | (124) |  |  | $ | (124) |
Reclassification out of Other Comprehensive Income (Loss) | The following table presents PPL's gains (losses) and related income taxes for reclassifications from AOCI for the years ended December 31, 2022, 2021 and 2020. The defined benefit plan components of AOCI are not reflected in their entirety in the statement of income; rather, they are included in the computation of net periodic defined benefit costs (credits) and subject to capitalization. See Note 12 for additional information.
|  | PPL |  |
Details about AOCI |  | 2022 |  | 2021 |  | 2020 |  | Affected Line Item on the Statements of Income
Qualifying derivatives |  |  |  |  |  |  |  |
Interest rate swaps |  | $ | (3) |  |  | $ | 11 |  |  | $ | (8) |  |  | Interest Expense
|  | — |  |  | (2) |  |  | (2) |  |  | Income (Loss) from Discontinued Operations (net of income taxes)
Cross-currency swaps |  | — |  |  | (39) |  |  | (22) |  |  | Income (Loss) from Discontinued Operations (net of income taxes)
Total Pre-tax |  | (3) |  |  | (30) |  |  | (32) |  |  |
Income Taxes |  | 1 |  |  | 5 |  |  | 8 |  |  |
Total After-tax |  | (2) |  |  | (25) |  |  | (24) |  |  |
Defined benefit plans |  |  |  |  |  |  |  |
Prior service costs |  | (3) |  |  | (3) |  |  | (4) |  |  |
Net actuarial loss |  | (24) |  |  | (159) |  |  | (256) |  |  |
Total Pre-tax |  | (27) |  |  | (162) |  |  | (260) |  |  |
Income Taxes |  | 8 |  |  | 34 |  |  | 52 |  |  |
Total After-tax |  | (19) |  |  | (128) |  |  | (208) |  |  |
Sale of the U.K. utility business (Note 9) |  |  |  |  |  |  |  |
Foreign currency translation adjustments |  | — |  |  | (646) |  |  | — |  |  | Income (Loss) from Discontinued Operations (net of income taxes)
Qualifying derivatives |  | — |  |  | (15) |  |  | — |  |  | Income (Loss) from Discontinued Operations (net of income taxes)
Defined benefit plans |  | — |  |  | (3,577) |  |  | — |  |  | Income (Loss) from Discontinued Operations (net of income taxes)
Total Pre-tax |  | — |  |  | (4,238) |  |  | — |  |  |
Income Taxes |  | — |  |  | 660 |  |  | — |  |  |
Total After-tax |  | — |  |  | (3,578) |  |  | — |  |  |
Total reclassifications during the year |  | $ | (21) |  |  | $ | (3,731) |  |  | $ | (232) |  |  |

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