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Compensation and Benefit Plans (Employee Savings Plan) (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Defined Contribution Plans [Line Items] |  |  |
Employer contributions | $ 121 | $ 103 | $ 97
SCE |  |  |
Defined Contribution Plans [Line Items] |  |  |
Employer contributions | $ 119 | $ 101 | $ 96

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- Definition Defined Contribution Plans [Line Items] + References No definition available. + Details
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- Definition Amount of cost for defined contribution plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 70 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480794/715-70-50-1 + Details
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- Details
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