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Income Taxes (Net Operating Loss and Tax Credit Carryforwards) (Details) $ in Millions | Dec. 31, 2019 USD ($)
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Tax Credit Carryforward [Line Items] |
Loss Carryforwards, Expiring 2021 to 2038 | $ 1,024
Loss Carryforwards, Expiring between 2021 to 2024 | 29
Loss Carryforwards, No expiration date | 182
Loss Carryforwards | 1,235
Credit Carryforward, Expiring 2021 to 2038 | 482
Credit Carryforwards, Expiring between 2021 to 2024 | 0
Credit Carryforward, No expiration date | 10
Credit Carryforwards | 492
SCE |
Tax Credit Carryforward [Line Items] |
Loss Carryforwards, Expiring 2021 to 2038 | 229
Loss Carryforwards, Expiring between 2021 to 2024 | 24
Loss Carryforwards, No expiration date | 100
Loss Carryforwards | 353
Credit Carryforward, Expiring 2021 to 2038 | 30
Credit Carryforwards, Expiring between 2021 to 2024 | 0
Credit Carryforward, No expiration date | 0
Credit Carryforwards | $ 30

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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319 + Details
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