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Accumulated Other Comprehensive Loss (Tables) | 12 Months Ended
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Dec. 31, 2020
Equity [Abstract] |
Components of Accumulated Other Comprehensive Loss | The changes in accumulated other comprehensive loss, net of tax, consist of:
| Edison International |  | SCE
| Years ended December 31,
(in millions) | 2020 |  | 2019 |  | 2020 |  | 2019
Beginning balance | $ | (69) |  |  | $ | (50) |  |  | $ | (39) |  |  | $ | (23) |
Pension and PBOP – net loss: |  |  |  |  |  |  |
Other comprehensive loss before reclassifications | (8) |  |  | (14) |  |  | (7) |  |  | (14) |
Reclassified from accumulated other comprehensive loss 1 | 8 |  |  | 5 |  |  | 5 |  |  | 3 |
Other 2 | — |  |  | (10) |  |  | — |  |  | (5) |
Change | — |  |  | (19) |  |  | (2) |  |  | (16) |
Ending balance | $ | (69) |  |  | $ | (69) |  |  | $ | (41) |  |  | $ | (39) |
1 These items are included in the computation of net periodic pension and PBOP expenses. See Note 9 for additional information. 2 Edison International and SCE recognized cumulative effect adjustments to the opening balance of retained earnings and accumulated other comprehensive loss on January 1, 2019 related to the adoption of the accounting standards update on the reclassification of stranded tax effects resulting from Tax Reform in 2019.

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