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v3.20.1

Debt and Credit Agreements (Details) | 1 Months Ended | 3 Months Ended |  |
--- | --- | --- | --- | ---
Apr. 30, 2020 USD ($) | Mar. 31, 2020 USD ($) extension | Mar. 31, 2020 USD ($) extension | Dec. 31, 2019 USD ($) | Jan. 31, 2019 USD ($)
Term Loan Agreement |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt |  | $ 800,000,000 | $ 800,000,000 |  |
Term Loan Agreement | London Interbank Offered Rate |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Variable rate |  | 1.125% |  |  |
Multi-year revolving credit facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Multi-year revolving credit facilities |  | $ 1,500,000,000 | 1,500,000,000 |  |
Commitment |  | 2,000,000,000.0 | $ 2,000,000,000.0 |  |
Option to extend for one year | extension |  |  | 1 |  |
Outstanding commercial paper |  | 0 | $ 0 | $ 0 |
4.95% senior notes due 2025 | Senior notes | Subsequent event |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt | $ 400,000,000 |  |  |  |
Stated interest rate | 4.95% |  |  |  |
2.125% senior notes due 2020 | Senior notes | Subsequent event |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Stated interest rate | 2.125% |  |  |  |
Repayments of outstanding debt | $ 400,000,000 |  |  |  |
Southern California Edison | Subsequent event |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Repurchased tax exempt pollution bonds | 373,000,000 |  |  |  |
Southern California Edison | Revolving credit facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Multi-year revolving credit facilities |  | $ 800,000,000 | 800,000,000 |  |
Number of 364-day extensions | extension |  | 2 |  |  |
Commitment |  | $ 1,100,000,000 | 1,100,000,000 |  |
Amounts drawn against the revolving credit facility |  | $ 0 | 0 |  |
Southern California Edison | London Interbank Offered Rate | Revolving credit facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Variable rate |  | 6500.00% |  |  |
Southern California Edison | 4.20% first and refunding mortgage bonds due 2029 | First and refunding mortgage bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt |  |  |  |  | $ 100,000,000
Stated interest rate |  |  |  |  | 2.85%
Southern California Edison | 4.875% first and refunding mortgage bonds due 2049 | First and refunding mortgage bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt |  |  |  |  | $ 500,000,000
Stated interest rate |  |  |  |  | 3.65%
Southern California Edison | 2.25% first and refunding mortgage bonds due 2030 | First and refunding mortgage bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt |  | $ 400,000,000 | $ 400,000,000 |  |
Stated interest rate |  | 2.25% | 2.25% |  |
Southern California Edison | 3.65% first and refunding mortgage bonds due 2050 | First and refunding mortgage bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt |  | $ 700,000,000 | $ 700,000,000 |  |
Stated interest rate |  | 3.65% | 3.65% |  |
Southern California Edison | Term Loan Agreement |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt |  | $ 475,000,000 | $ 475,000,000 |  |
Southern California Edison | Term Loan Agreement | London Interbank Offered Rate |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Variable rate |  | 6000.00% |  |  |
Southern California Edison | Multi-year revolving credit facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Multi-year revolving credit facilities |  | $ 3,000,000,000.0 | 3,000,000,000.0 |  |
Commitment |  | 4,000,000,000.0 | $ 4,000,000,000.0 |  |
Option to extend for one year | extension |  |  | 1 |  |
Southern California Edison | Multi-year revolving credit facility | Commercial paper |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Outstanding commercial paper |  | 0 | $ 0 | $ 550,000,000 |
Weighted average interest rate |  |  |  | 2.24% |
Southern California Edison | Multi-year revolving credit facility | Letters of credit |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Outstanding letters of credit |  | $ 175,000,000 | $ 175,000,000 | $ 152,000,000 |
Letters of credit expiration period |  |  | 12 months |  |
Southern California Edison | 3.70% first and refunding mortgage bonds due 2025 | First and refunding mortgage bonds | Subsequent event |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt | $ 600,000,000 |  |  |  |
Stated interest rate | 3.70% |  |  |  |

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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 + Details
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