16. Accumulated Other Comprehensive Income (Loss) (PPL) The after-tax changes in AOCI by component for the periods ended June 30 were as follows. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Unrealized gains (losses) on qualifying derivatives | | | | Defined benefit plans | | | | | | | | | Equity investees' AOCI | | Prior service costs | | Actuarial gain (loss) | | Total | PPL | | | | | | | | | | | | | | | | March 31, 2025 | | | | | | | $ | 10 | | | $ | 4 | | | $ | (3) | | | $ | (195) | | | $ | (184) | | Amounts arising during the period | | | | | | | 1 | | | — | | | — | | | (8) | | | (7) | | Reclassifications from AOCI | | | | | | | — | | | — | | | — | | | 1 | | | 1 | | Net OCI during the period | | | | | | | 1 | | | — | | | — | | | (7) | | | (6) | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Unrealized gains (losses) on qualifying derivatives | | | | Defined benefit plans | | | | | | | | | Equity investees' AOCI | | Prior service costs | | Actuarial gain (loss) | | Total | June 30, 2025 | | | | | | | $ | 11 | | | $ | 4 | | | $ | (3) | | | $ | (202) | | | $ | (190) | | | | | | | | | | | | | | | | | | December 31, 2024 | | | | | | | $ | 9 | | | $ | 4 | | | $ | (3) | | | $ | (194) | | | $ | (184) | | Amounts arising during the period | | | | | | | 1 | | | — | | | — | | | (8) | | | (7) | | Reclassifications from AOCI | | | | | | | 1 | | | — | | | — | | | — | | | 1 | | Net OCI during the period | | | | | | | 2 | | | — | | | — | | | (8) | | | (6) | | June 30, 2025 | | | | | | | $ | 11 | | | $ | 4 | | | $ | (3) | | | $ | (202) | | | $ | (190) | | | | | | | | | | | | | | | | | | March 31, 2024 | | | | | | | $ | 7 | | | $ | 4 | | | $ | (4) | | | $ | (168) | | | $ | (161) | | Amounts arising during the period | | | | | | | — | | | — | | | — | | | 2 | | | 2 | | Reclassifications from AOCI | | | | | | | — | | | — | | | — | | | (1) | | | (1) | | | | | | | | | | | | | | | | | | Net OCI during the period | | | | | | | — | | | — | | | — | | | 1 | | | 1 | | June 30, 2024 | | | | | | | $ | 7 | | | $ | 4 | | | $ | (4) | | | $ | (167) | | | $ | (160) | | | | | | | | | | | | | | | | | | December 31, 2023 | | | | | | | $ | 6 | | | $ | 3 | | | $ | (4) | | | $ | (168) | | | $ | (163) | | Amounts arising during the period | | | | | | | — | | | 1 | | | — | | | 2 | | | 3 | | Reclassifications from AOCI | | | | | | | 1 | | | — | | | — | | | (1) | | | — | | Net OCI during the period | | | | | | | 1 | | | 1 | | | — | | | 1 | | | 3 | | June 30, 2024 | | | | | | | $ | 7 | | | $ | 4 | | | $ | (4) | | | $ | (167) | | | $ | (160) | |
The following table presents PPL's gains (losses) and related income taxes for reclassifications from AOCI for the periods ended June 30. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months | | Six Months | | Affected Line Item on the | Details about AOCI | | 2025 | | 2024 | | 2025 | | 2024 | | Statements of Income | Qualifying derivatives | | | | | | | | | | | Interest rate derivatives | | $ | (1) | | | $ | (1) | | | $ | (2) | | | $ | (2) | | | Interest Expense | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Total Pre-tax | | (1) | | | (1) | | | (2) | | | (2) | | | | Income Taxes | | 1 | | | 1 | | | 1 | | | 1 | | | | Total After-tax | | — | | | — | | | (1) | | | (1) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Defined benefit plans | | | | | | | | | | | | | | | | | | | | | | Net actuarial loss (a) | | (1) | | | 2 | | | — | | | 2 | | | | Total Pre-tax | | (1) | | | 2 | | | — | | | 2 | | | | Income Taxes | | — | | | (1) | | | — | | | (1) | | | | Total After-tax | | (1) | | | 1 | | | — | | | 1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Total reclassifications during the period | | $ | (1) | | | $ | 1 | | | $ | (1) | | | $ | — | | | |
(a) These AOCI components are included in the computation of net periodic defined benefit cost. See Note 9 for additional information.
|