Face (par) amount of debt instrument at time of issuance.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount of current assets classified as other.

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Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer.

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Carrying amount as of the balance sheet date of capitalized costs of regulated entities that are not expected to be recovered through revenue sources within one year or the normal operating cycle if longer.

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The amount for the individual regulatory current liability as itemized in a table of regulatory current liabilities as of the end of the period.

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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.

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Variable Interest Entities (Recovery Funding) (Details) - USD ($) $ in Millions	Sep. 30, 2021	Mar. 31, 2021	Feb. 28, 2021	Dec. 31, 2020
Variable Interest Entity [Line Items]
Other current assets	$ 274.0			$ 224.0
Regulatory assets: Non-current	7,386.0			7,120.0
Regulatory liabilities: Current	(583.0)			(569.0)
Current portion of long-term debt	(776.0)			(1,029.0)
Other current liabilities	(1,883.0)			(1,612.0)
Long-term debt	(23,342.0)			(19,632.0)
SCE Recovery Funding LLC
Variable Interest Entity [Line Items]
Other current assets	30.0
Regulatory assets: Non-current	328.0
Regulatory liabilities: Current	(18.0)
Current portion of long-term debt	(15.0)
Other current liabilities	(3.0)
Long-term debt	(320.0)
SCE
Variable Interest Entity [Line Items]
Other current assets	267.0			216.0
Regulatory assets: Non-current	7,386.0			7,120.0
Regulatory liabilities: Current	(583.0)			(569.0)
Current portion of long-term debt	(376.0)			(1,029.0)
Other current liabilities	(1,753.0)			(1,294.0)
Long-term debt	(20,605.0)			$ (16,499.0)
SCE \| Recovery Bonds
Variable Interest Entity [Line Items]
Debt		$ 338.0	$ 338.0
SCE \| SCE Recovery Funding LLC
Variable Interest Entity [Line Items]
Regulatory assets: Non-current	328.0
Long-term debt	$ (320.0)