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Accumulated Other Comprehensive Loss | 6 Months Ended
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Jun. 30, 2022
Equity [Abstract] |
Accumulated Other Comprehensive Loss | Note 14. Accumulated Other Comprehensive Loss Edison International's accumulated other comprehensive loss, net of tax, consist of:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended June 30, | ​ | Six months ended June 30,
(in millions) |  | 2022 |  | 2021 |  | 2022 |  | 2021
Beginning balance | ​ | $ | (52) | ​ | $ | (67) | ​ | $ | (54) | ​ | $ | (69)
Pension and PBOP – net loss: | ​ |  | ​ | ​ |  |  | ​ |  |  | ​ |  |
Reclassified from accumulated other comprehensive loss1 | ​ |  | 4 | ​ |  | 2 | ​ |  | 6 | ​ |  | 4
Change | ​ |  | 4 | ​ |  | 2 | ​ |  | 6 | ​ |  | 4
Ending Balance | ​ | $ | (48) | ​ | $ | (65) | ​ | $ | (48) | ​ | $ | (65)
1 | These items are included in the computation of net periodic pension and PBOP Plan expense, including amortization of net loss and settlement costs. See Note 9 for additional information.
SCE's accumulated other comprehensive loss, net of tax, consists of:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended June 30, | ​ | Six months ended June 30,
(in millions) |  | 2022 |  | 2021 |  | 2022 |  | 2021
Beginning balance | ​ | $ | (31) | ​ | $ | (39) | ​ | $ | (32) | ​ | $ | (41)
Pension and PBOP – net loss: | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Reclassified from accumulated other comprehensive loss1 | ​ |  | 3 | ​ |  | 1 | ​ |  | 4 | ​ |  | 3
Change | ​ |  | 3 | ​ |  | 1 | ​ |  | 4 | ​ |  | 3
Ending Balance | ​ | $ | (28) | ​ | $ | (38) | ​ | $ | (28) | ​ | $ | (38)
1 | These items are included in the computation of net periodic pension and PBOP Plan expense, including amortization of net loss and settlement costs. See Note 9 for additional information.

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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 http://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 http://asc.fasb.org/extlink&oid=123367319&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 http://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 http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 + Details
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