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v3.19.3.a.u2

Regulatory Assets and Liabilities (Textual) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Regulatory Assets [Line Items] |  |  |
Income tax benefit | $ (88) | $ 0 | $ 466
SCE |  |  |
Regulatory Assets [Line Items] |  |  |
Regulatory assets, energy derivatives, low range of contract expiration (in years) | 2 years |  |
Regulatory assets, energy derivatives, high range of contract expiration (in years) | 5 years |  |
Regulatory assets related to deferred income taxes, recovery period, low range (in years) | 1 year |  |
Regulatory assets related to deferred income taxes, recovery period, high range (in years) | 60 years |  |
Low end of the range of remaining original amortization (in years) | 10 years |  |
High end of the range of remaining original amortization (in years) | 40 years |  |
Income tax benefit | $ (88) | $ 0 | $ 33
Unamortized investments, net of accumulated amortization | SCE |  |  |
Regulatory Assets [Line Items] |  |  |
Return rate earned on assets included in rate base (as a percent) | 7.61% | 7.61% |
Operating Leases Purchase Power Contracts | SCE |  |  |
Regulatory Assets [Line Items] |  |  |
Unpaid portion included in regulatory asset | $ 29 | $ 206 |

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- Definition Operating Leases, Termination Payments, Due + References No definition available. + Details
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- Definition Regulatory assets, energy derivative contracts, high range of expiration + References No definition available. + Details
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- Definition Regulatory assets, energy derivative contracts, low range of expiration + References No definition available. + Details
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- Definition Regulatory assets, recovery period, high range + References No definition available. + Details
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- Definition Regulatory assets, recovery period, low range + References No definition available. + Details
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- Definition Regulatory Noncurrent Asset, Amortization Period, High End of Range + References No definition available. + Details
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- Definition Regulatory Noncurrent Asset, Amortization Period, Low End of Range + References No definition available. + Details
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- Definition This element represents the return rate earned on assets included in rate base. + References No definition available. + Details
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- Definition Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations, attributable to Tax Cuts and Jobs Act. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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- Details
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