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Summary of Significant Accounting Policies (Tables) | 9 Months Ended
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Sep. 30, 2025
Accounting Policies [Abstract] |
Schedule of Cash, Cash Equivalents and Restricted Cash | The following table sets forth the cash, cash equivalents and restricted cash included in the condensed consolidated statements of cash flows:
| Edison International |  | SCE
(in millions) | September 30, 2025 |  | December 31, 2024 |  | September 30, 2025 |  | December 31, 2024
Cash and cash equivalents 1 | $ | 364 |  |  | $ | 193 |  |  | $ | 305 |  |  | $ | 78 |
Short-term restricted cash 2 | 92 |  |  | 40 |  |  | 88 |  |  | 36 |
Long-term restricted cash 3 | 441 |  |  | 451 |  |  | 441 |  |  | 451 |
Total cash, cash equivalents and restricted cash | $ | 897 |  |  | $ | 684 |  |  | $ | 834 |  |  | $ | 565 |
1 Cash equivalents consist of investments in money market funds. Generally, the carrying value of cash equivalents equals the fair value, as these investments have original maturities of three months or less. 2 Includes SCE Recovery Funding LLC's restricted cash for payments of senior secured recovery bonds and cash collected for customer-funded wildfire self-insurance related to the Eaton Subrogation Settlement (see Note 12 for further information). Both are reflected in "Other current assets" on Edison International's and SCE's condensed consolidated balance sheets. 3 Represents cash collected for customer-funded wildfire self-insurance and is reflected in "Other long-term assets" on Edison International's and SCE's condensed consolidated balance sheets. See Note 12 for further information.
Schedule of Changes in Allowance for Uncollectible Accounts | The following table sets forth the changes in allowance for uncollectible accounts for SCE:
| Three months ended September 30, 2025 |  |  | Three months ended September 30, 2024
(in millions) | Customers |  | All others |  | Total 3 |  |  | Customers |  | All others |  | Total
Beginning balance | $ | 335 |  |  | $ | 22 |  |  | $ | 357 |  |  |  | $ | 349 |  |  | $ | 15 |  |  | $ | 364 |
Current period provision for uncollectible accounts 1 | 96 |  |  | 1 |  |  | 97 |  |  |  | 90 |  |  | — |  |  | 90 |
Write-offs, net of recoveries | (89) |  |  | (3) |  |  | (92) |  |  |  | (75) |  |  | (3) |  |  | (78) |
Ending balance | $ | 342 |  |  | $ | 20 |  |  | $ | 362 |  |  |  | $ | 364 |  |  | $ | 12 |  |  | $ | 376 |
| Nine months ended September 30, 2025 |  |  | Nine months ended September 30, 2024
(in millions) | Customers |  | All others |  | Total 3 |  |  | Customers |  | All others |  | Total
Beginning balance | $ | 372 |  |  | $ | 18 |  |  | $ | 390 |  |  |  | $ | 347 |  |  | $ | 17 |  |  | $ | 364 |
Current period provision for uncollectible accounts 2 | 256 |  |  | 10 |  |  | 266 |  |  |  | 204 |  |  | 4 |  |  | 208 |
Write-offs, net of recoveries | (286) |  |  | (8) |  |  | (294) |  |  |  | (187) |  |  | (9) |  |  | (196) |
Ending balance | $ | 342 |  |  | $ | 20 |  |  | $ | 362 |  |  |  | $ | 364 |  |  | $ | 12 |  |  | $ | 376 |
1 This includes $76 million and $74 million of incremental costs, for the three months ended September 30, 2025 and 2024, respectively, which were probable of recovery from customers and recorded as regulatory assets. 2 This includes $211 million and $170 million of incremental costs, for the nine months ended September 30, 2025 and 2024, respectively, which were probable of recovery from customers and recorded as regulatory assets. 3 Approximately $41 million and $43 million of allowance for uncollectible accounts are included in "Other long-term assets" on SCE's condensed consolidated balance sheets as of September 30, 2025 and December 31, 2024, respectively.
Schedule of EPS Available to Edison International Common Shareholders | EPS available to Edison International common shareholders was computed as follows:
| Three months ended September 30, |  | Nine months ended September 30,
(in millions, except per-share amounts) | 2025 |  | 2024 |  | 2025 |  | 2024
Basic earnings per share: |  |  |  |  |  |  |
Net income available to Edison International common shareholders | $ | 832 |  |  | $ | 516 |  |  | $ | 2,611 |  |  | $ | 944 |
Earnings allocated to participating securities | — |  |  | — |  |  | (1) |  |  | — |
Income available to common shareholders | $ | 832 |  |  | $ | 516 |  |  | $ | 2,610 |  |  | $ | 944 |
Weighted average common shares outstanding | 385 |  |  | 387 |  |  | 385 |  |  | 386 |
Basic earnings per share | $ | 2.16 |  |  | $ | 1.33 |  |  | $ | 6.78 |  |  | $ | 2.45 |
Diluted earnings per share: |  |  |  |  |  |  |
Income available to common shareholders | $ | 832 |  |  | $ | 516 |  |  | $ | 2,610 |  |  | $ | 944 |
Add back: Earnings allocated to participating securities | — |  |  | — |  |  | 1 |  |  | 1 |
Net income available to Edison International common shareholders | $ | 832 |  |  | $ | 516 |  |  | $ | 2,611 |  |  | $ | 945 |
Weighted average common shares outstanding | 385 |  |  | 387 |  |  | 385 |  |  | 386 |
Effect of dilutive securities | 1 |  |  | 3 |  |  | 1 |  |  | 2 |
Adjusted weighted average shares – diluted | 386 |  |  | 390 |  |  | 386 |  |  | 388 |
Diluted earnings per share | $ | 2.16 |  |  | $ | 1.32 |  |  | $ | 6.76 |  |  | $ | 2.44 |

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