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Debt and Credit Agreements (Tables) | 9 Months Ended
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Sep. 30, 2023
Debt and Credit Agreements |
Schedule of First and Refunding Mortgage Bonds | ​
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Description | ​ | Month of Issuance | ​ | Rate |  | Maturity Date |  | Amount (in millions)
Series 2023A1 | ​ | March 2023 | ​ | 5.30% | ​ | 2028 | ​ | $ | 750
Series 2023B2 | ​ | March 2023 | ​ | 5.70% | ​ | 2053 | ​ | ​ | 450
Series 2023C1 | ​ | May 2023 | ​ | 4.90% | ​ | 2026 | ​ | ​ | 400
Series 2023D2 | ​ | May 2023 | ​ | 5.88% | ​ | 2053 | ​ | ​ | 700
Series 2023E1 | ​ | September 2023 | ​ | 5.65% | ​ | 2028 | ​ | ​ | 550
1 | The proceeds were used to fund the payment of wildfire claims and related expenses above the amount of expected insurance proceeds.
2 | The proceeds were used to repay commercial paper borrowings and for general corporate purposes.
Summary for Status of Credit Facilities | ​
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(in millions, except for rates)
Borrower | ​ | Termination Date | ​ | Secured Overnight Financing Rate ("SOFR") plus (bps) |  | Commitment |  | Outstanding borrowings |  | Outstanding letters of credit |  | Amount available
Edison International Parent1, 3 | ​ | May 2027 | ​ | 128 | ​ | $ | 1,500 | ​ | $ | 389 | ​ | $ | — | ​ | $ | 1,111
SCE2, 3 | ​ | May 2027 | ​ | 108 | ​ | ​ | 3,350 | ​ | ​ | 621 | ​ | ​ | 202 | ​ | ​ | 2,527
Total Edison International | $ | 4,850 | ​ | $ | 1,010 | ​ | $ | 202 | ​ | $ | 3,638
1 | At September 30, 2023, Edison International Parent had $388 million outstanding commercial paper, net of discount, at a weighted-average interest rate of 5.84%.
2 | At September 30, 2023, SCE had $616 million outstanding commercial paper, net of discount, at a weighted-average interest rate of 5.73%.
3 | In May 2023, Edison International Parent and SCE amended their credit facilities to extend the maturity date to May 2027, with two additional one-year extension options. The aggregate maximum principal amount under the SCE and Edison International Parent revolving credit facilities may be increased up to $4.0 billion and $2.0 billion, respectively, provided that additional lender commitments are obtained.

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- Definition Tabular disclosure of short-term or long-term contractual arrangements with lenders, including letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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