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Schedule I - Condensed Financial Information of Parent | 12 Months Ended
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Dec. 31, 2023
Condensed Financial Information Disclosure [Abstract] |
Schedule I - Condensed Financial Information of Parent | SCHEDULES SUPPLEMENTING FINANCIAL STATEMENTS EDISON INTERNATIONAL SCHEDULE I – CONDENSED FINANCIAL INFORMATION OF PARENT CONDENSED BALANCE SHEETS ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31,
(in millions) |  | 2023 |  | 2022
Assets: |  | ​ |  |  | ​ |
Cash and cash equivalents | ​ | $ | 1 | ​ | $ | 4
Other current assets | ​ |  | 441 | ​ |  | 447
Total current assets | ​ |  | 442 | ​ |  | 451
Investments in subsidiaries | ​ |  | 20,026 | ​ |  | 19,922
Deferred income taxes | ​ |  | 700 | ​ |  | 626
Other long-term assets | ​ |  | 58 | ​ |  | 62
Total assets | ​ | $ | 21,226 | ​ | $ | 21,061
Liabilities and equity: | ​ |  |  | ​ |  |
Short-term debt | ​ | $ | 246 | ​ | $ | 1,090
Current portion of long-term debt | ​ |  | 500 | ​ |  | 400
Other current liabilities | ​ |  | 598 | ​ |  | 575
Total current liabilities | ​ |  | 1,344 | ​ |  | 2,065
Long-term debt | ​ |  | 4,019 | ​ |  | 2,981
Other long-term liabilities | ​ |  | 362 | ​ |  | 394
Total equity | ​ |  | 15,501 | ​ |  | 15,621
Total liabilities and equity | ​ | $ | 21,226 | ​ | $ | 21,061
​ ​ EDISON INTERNATIONAL SCHEDULE I – CONDENSED FINANCIAL INFORMATION OF PARENT CONDENSED STATEMENTS OF INCOME For the Years Ended December 31, 2023, 2022 and 2021 ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(in millions) |  | 2023 |  | 2022 |  | 2021
Interest income from affiliates | ​ | $ | 2 | ​ | $ | 3 | ​ | $ | —
Operating, interest and other expenses | ​ |  | 299 | ​ |  | 209 | ​ |  | 176
Loss before equity in earnings of subsidiaries | ​ |  | (297) | ​ |  | (206) | ​ |  | (176)
Equity in earnings of subsidiaries | ​ |  | 1,498 | ​ |  | 867 | ​ |  | 956
Income before income taxes | ​ |  | 1,201 | ​ |  | 661 | ​ |  | 780
Income tax benefit | ​ |  | (83) | ​ |  | (56) | ​ |  | (39)
Net income | ​ |  | 1,284 | ​ |  | 717 | ​ |  | 819
Preferred stock dividend requirements of Edison International | ​ | ​ | 87 | ​ | ​ | 105 | ​ | ​ | 60
Net income available to Edison International common shareholders | ​ | $ | 1,197 | ​ | $ | 612 | ​ | $ | 759
​ ​ CONDENSED STATEMENTS OF COMPREHENSIVE INCOME For the Years Ended December 31, 2023, 2022 and 2021 ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(in millions) |  | 2023 |  | 2022 |  | 2021
Net income | ​ | $ | 1,284 | ​ | $ | 717 | ​ | $ | 819
Other comprehensive income, net of tax | ​ |  | 2 | ​ |  | 43 | ​ |  | 15
Comprehensive income | ​ | $ | 1,286 | ​ | $ | 760 | ​ | $ | 834
​ ​ EDISON INTERNATIONAL SCHEDULE I – CONDENSED FINANCIAL INFORMATION OF PARENT CONDENSED STATEMENTS OF CASH FLOWS For the Years Ended December 31, 2023, 2022 and 2021 ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(in millions) |  | 2023 |  | 2022 |  | 2021
Net cash provided by operating activities | ​ | $ | 1,148 | ​ | $ | 1,133 | ​ | $ | 817
Cash flows from financing activities: | ​ |  |  | ​ |  |  | ​ |  |
Long-term debt issued | ​ |  | 1,549 | ​ |  | 945 | ​ |  | —
Long-term debt issuance costs | ​ |  | (16) | ​ |  | (6) | ​ |  | —
Long-term debt repaid | ​ |  | (400) | ​ |  | (700) | ​ |  | —
Short-term debt issued | ​ |  | 370 | ​ |  | 1,000 | ​ |  | —
Short-term debt repaid | ​ |  | (1,356) | ​ |  | — | ​ |  | —
Common stock issued | ​ |  | 20 | ​ |  | 13 | ​ |  | 32
Preferred stock issued | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 1,977
Preferred stock repurchased | ​ | ​ | (289) | ​ | ​ | — | ​ | ​ | —
Payable due to affiliates | ​ |  | (3) | ​ |  | (14) | ​ |  | (13)
Commercial paper borrowing (repayments), net | ​ |  | 139 | ​ |  | 89 | ​ |  | (130)
Payments for stock-based compensation | ​ |  | (5) | ​ |  | (8) | ​ |  | (3)
Receipts for stock-based compensation | ​ |  | 71 | ​ |  | 72 | ​ |  | 31
Common stock dividends paid | ​ |  | (1,112) | ​ |  | (1,050) | ​ |  | (988)
Preferred stock dividends paid | ​ | ​ | (108) | ​ | ​ | (99) | ​ | ​ | (35)
Net cash (used in) provided by financing activities | ​ |  | (1,140) | ​ |  | 242 | ​ |  | 871
Cash flows from investing activities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Capital contributions to affiliate | ​ |  | (15) | ​ |  | (1,426) | ​ |  | (1,639)
Dividends from affiliate | ​ |  | 4 | ​ |  | 3 | ​ |  | —
Net cash used in investing activities: | ​ |  | (11) | ​ |  | (1,423) | ​ |  | (1,639)
Net (decrease) increase in cash and cash equivalents | ​ |  | (3) | ​ |  | (48) | ​ |  | 49
Cash and cash equivalents, beginning of year | ​ |  | 4 | ​ |  | 52 | ​ |  | 3
Cash and cash equivalents, end of year | ​ | $ | 1 | ​ | $ | 4 | ​ | $ | 52
​ Note 1. Basis of Presentation The accompanying condensed financial statements of Edison International Parent should be read in conjunction with the consolidated financial statements and notes thereto of Edison International and subsidiaries ("Registrant") included in this Form 10-K. Edison International Parent's significant accounting policies are consistent with those of the Registrant, SCE and other wholly owned and controlled subsidiaries. Dividends Received Edison International Parent received cash dividends from SCE of $1.4 billion, $1.3 billion and $975 million in 2023, 2022 and 2021, respectively. Dividend Restrictions CPUC holding company rules require that SCE's dividend policy be established by SCE's Board of Directors on the same basis as if SCE were a stand-alone utility company, and that the capital requirements of SCE, as deemed to be necessary to meet SCE's electricity service obligations, shall receive first priority from the Boards of Directors of both Edison International and SCE. In addition, the CPUC regulates SCE's capital structure which limits the dividends it may pay to its shareholders. The common equity component of SCE's CPUC authorized capital structure is 52% on a weighted average basis over the Capital Structure Compliance Period. The CPUC authorized capital structure differs from the capital structure calculated based on GAAP due to certain exclusions allowed by CPUC, including the impact of SCE's contributions to the Wildfire Insurance Fund under AB 1054. In August 2023, the CPUC issued a decision on SCE's application to the CPUC for an extension of the waiver of compliance with its equity ratio requirement that allows SCE to exclude from its equity ratio calculations (i) net charges accrued in connection with the 2017/2018 Wildfire/Mudslide Events and (ii) debt issued for the purpose of paying claims, and associated expenses, related to the 2017/2018 Wildfire/Mudslide Events up to an amount equal to the net charges accrued in connection with the 2017/2018 Wildfire/Mudslide Events. Under the decision, effective as of the beginning of the new cost of capital cycle on January 1, 2023, the CPUC also authorized SCE to exclude from its equity ratio calculations debt that exceeds the net charges accrued in connection with the 2017/2018 Wildfire/Mudslide Events due to the timing difference between the wildfire claims payment and the realization of the cash tax benefits. The temporary exclusion will lapse on August 31, 2025 or when determinations regarding cost recovery for the 2017/2018 Wildfire/Mudslide Events are made, whichever comes earlier. If the CPUC has not made determinations regarding cost recovery by August 31, 2025, SCE is permitted to file another application for a waiver of compliance with its equity ratio requirement. While the exclusion is in place, SCE is required to notify the CPUC if an adverse financial event reduces SCE's spot equity ratio by more than one percent from the level most recently filed with the CPUC in the proceeding. The last spot equity ratio SCE filed with the CPUC in the proceeding did not exclude the then $1.8 billion net charge and was 45.2% as of December 31, 2018 (at the time the common equity component of SCE's CPUC authorized capital structure was required to remain at or above 48% on a weighted average basis over the applicable 37-month period). SCE's spot equity ratio on December 31, 2018 would have been 48.7% had the $1.8 billion net charge at December 31, 2018 been excluded, therefore SCE will notify the CPUC if its spot ratio drops below 47.7% in any quarter. For further information, see "Note 12. Commitments and Contingencies—Contingencies—Southern California Wildfires and Mudslides." Note 2. Debt and Equity Financing Long-Term Debt At December 31, 2023, Edison International Parent had $500 million of 3.55% senior notes due in 2024, $400 million of 4.95% senior notes and $400 million of 4.70% senior notes due in 2025, $600 million of 5.75% senior notes due in 2027, $550 million of 4.125% senior notes and $600 million of 5.25% senior notes due in 2028, $550 million 6.95% senior notes due in 2029, $500 million of 8.125% junior subordinated notes due in 2053 and $450 million of 7.875% junior subordinated notes due in 2054. Credit Agreements and Short-Term Debt The following table summarizes the status of the credit facility at December 31, 2023:
​ | ​ | ​ | ​
(in millions) |  |  | ​
Commitment | ​ | $ | 1,500
Outstanding borrowings | ​ |  | 246
Amount available | ​ | $ | 1,254
In May 2023, Edison International Parent amended its revolving credit facility to extend the termination date to May 2027, with two additional one-year extension options. The aggregate maximum principal amount under the Edison International Parent revolving credit facility may be increased up to $2.0 billion, provided that additional lender commitments are obtained. The debt covenant in Edison International Parent's credit facility requires a consolidated debt to total capitalization ratio of less than or equal to 0.70 to 1. At December 31, 2023, Edison International's consolidated debt to total capitalization ratio was 0.63 to 1. Common Stock Issuances Edison International continued to settle its ongoing common stock requirements of various internal programs through issuance of new common stock. During the twelve months ended December 31, 2023, 1,151,964 shares of common stock were issued as stock compensation awards for net cash receipts of $58 million, 259,109 shares of new common stock were issued in lieu of distributing $18 million to shareholders opting to receive dividend payments in the form of additional common stock, 144,200 shares of common stock were purchased by employees through the 401(k) defined contribution savings plan for net cash receipts of $10 million, 105,218 shares of common stock were issued to employees through voluntary cash purchases for net cash receipts of $7 million and 55,923 shares of common stock were issued to employees through the ESPP for net cash receipts of $4 million. During the twelve months ended December 31, 2022, 1,253,049 shares of common stock were issued as stock compensation awards for net cash receipts of $57 million, 273,642 shares of new common stock were issued in lieu of distributing $18 million to shareholders opting to receive dividend payments in the form of additional common stock, 157,000 shares of common stock were purchased by employees through the 401(k) defined contribution savings plan for net cash receipts of $10 million as dividend payments, 109,750 shares of common stock were issued to employees through voluntary cash purchases for net cash receipts of $7 million and 36,912 shares of common stock were issued to employees through the ESPP for net cash receipts of $2 million. As of December 31, 2023, Edison International had not issued any shares through its "at-the-market"("ATM") program established in August 2022. Under the ATM program, Edison International may sell shares of its common stock having an aggregate sales price of up to $500 million. Edison International has no obligation to sell the remaining available shares available under the ATM program. Preferred Stock As of December 31, 2023, Edison International has 1,159,317 shares of 5.375% Fixed-Rate Reset Cumulative Perpetual Preferred Stock, Series A ("Series A Preferred Stock") and 532,454 shares of 5.00% Fixed-Rate Reset Cumulative Perpetual Preferred Stock, Series B ("Series B Preferred Stock") outstanding, each with a liquidation value of $1,000 per share. The dividends are payable on a semi-annual basis and will be reset every five years beginning on March 15, 2026 and March 15, 2027, for Series A Preferred Stock and Series B Preferred Stock, respectively, to equal the then-current five-year U.S. Treasury rate plus a spread. In November 2023, Edison International, through a tender offer, repurchased 61,497 shares of its Series A Preferred Stock and 84,223 shares of its Series B Preferred Stock for an average price of $925 and $904 per share, respectively, including accrued and unpaid dividends. The aggregate amount paid was $57 million for Series A Preferred Stock and $76 million for Series B Preferred Stock. In December 2023, Edison International repurchased 29,186 shares of its Series A Preferred Stock and 133,323 shares of its Series B Preferred Stock on the open market for an average price of $971 and $955 per share, respectively, including accrued and unpaid dividends. The aggregate amount paid was $28 million for Series A Preferred Stock and $127 million for Series B Preferred Stock. Edison International recognized a total net gain of $16 million from the tender offer and open market repurchases, reflected in "Preferred stock dividend requirements of Edison International" on the condensed statements of income. Edison International may, at its option, redeem its preferred stock in whole or in part during certain periods of time prior to each of the dividend reset dates at a price equal to $1,000 per share plus any accumulated and unpaid dividends. Edison International may also, at its option, redeem the preferred stocks in whole but not in part at a price equal to $1,020 per share plus any accumulated and unpaid dividends within a certain period of time following any change in the criteria rating agencies use that would have adverse effects on the equity credit attributed by rating agencies to the preferred stocks. The preferred stocks rank senior to Edison International's common stock with respect to dividends rights and distribution rights upon liquidation. The preferred stocks are not subject to any mandatory sinking fund, retirement fund, purchase fund or other similar provisions. Holders of the shares of the preferred stocks do not have the right to require Edison International to repurchase or redeem shares of the preferred stocks. Note 3. Related-Party Transactions Edison International's Parent expense from services provided by SCE was $2 million in 2023, $2 million in 2022 and $2 million in 2021. Edison International Parent's interest expense from loans due to affiliates was $2 million in 2023, $3 million in 2022 and $5 million in 2021. Edison International Parent had current related-party receivables of $400 million and $389 million and current related-party payables of $185 million and $166 million at December 31, 2023 and 2022, respectively. Edison International Parent had long-term related-party receivables of $8 million at December 31, 2022, and long-term related-party payables of $112 million and $130 million at December 31, 2023 and 2022, respectively. Note 4. Contingencies For a discussion of material contingencies see "Notes to Consolidated Financial Statements—Note 8. Income Taxes" and "—Note 12. Commitments and Contingencies."

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- Definition The entire disclosure for condensed financial information, including the financial position, cash flows, and the results of operations of the registrant (parent company) as of the same dates or for the same periods for which audited consolidated financial statements are being presented. Alternatively, the details of this disclosure can be reported by the specific parent company taxonomy elements, indicating the appropriate date and period contexts in an instance document. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 205 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 6 -Subparagraph (SX 210.5-04(Schedule I)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480922/205-10-S99-6 Reference 3: http://www.xbrl.org/2003/role/recommendedDisclosureRef -Topic 810 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481231/810-10-45-11 + Details
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