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Compensation and Benefit Plans (Expense) (Details) - USD ($) shares in Millions, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Share-based Compensation |  |  |
Performance incentive plan award (in shares) | 71 |  |
Stock-based compensation expense | $ 42 | $ 39 | $ 29
Income tax benefits related to stock-based compensation expense | 9 | 4 | 4
Stock options |  |  |
Share-based Compensation |  |  |
Stock-based compensation expense | 13 | 16 | 15
Performance shares |  |  |
Share-based Compensation |  |  |
Stock-based compensation expense | 13 | 9 | 5
Restricted stock units |  |  |
Share-based Compensation |  |  |
Stock-based compensation expense | 14 | 12 | 8
Other stock awards |  |  |
Share-based Compensation |  |  |
Stock-based compensation expense | 2 | 2 | 1
SCE |  |  |
Share-based Compensation |  |  |
Stock-based compensation expense | 22 | 20 | 13
Income tax benefits related to stock-based compensation expense | 5 | 3 | 3
SCE | Stock options |  |  |
Share-based Compensation |  |  |
Stock-based compensation expense | 7 | 8 | 7
SCE | Performance shares |  |  |
Share-based Compensation |  |  |
Stock-based compensation expense | 6 | 4 | 2
SCE | Restricted stock units |  |  |
Share-based Compensation |  |  |
Stock-based compensation expense | 9 | 8 | 4
SCE | Other stock awards |  |  |
Share-based Compensation |  |  |
Stock-based compensation expense | $ 0 | $ 0 | $ 0

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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Amount of tax benefit for recognition of expense of award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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