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Summary of Significant Accounting Policies (Tables) | 9 Months Ended
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Sep. 30, 2020
Accounting Policies [Abstract] |
Cash Equivalents | The cash equivalents were as follows:
|  | Edison International |  |  |  |  |  |
(in millions) |  | September 30, 2020 |  | December 31, 2019 |  |  |  |
Money market funds |  | $ | 56 |  |  | $ | 31 |  |  |  |  |
Cash is temporarily invested until required for check clearing. Checks issued, but not yet paid by the financial institution, are reclassified from cash to accounts payable at the end of each reporting period as follows:
|  | Edison International |  |  |  | SCE |  |
(in millions) |  | September 30, 2020 |  | December 31, 2019 |  | September 30, 2020 |  | December 31, 2019
Book balances reclassified to accounts payable |  | $ | 51 |  |  | $ | 75 |  |  | $ | 50 |  |  | $ | 74 |
Cash, Cash Equivalents and Restricted Cash | The following table sets forth the cash, cash equivalents and restricted cash included in the consolidated statements of cash flows:
(in millions) |  | September 30, 2020 |  | December 31, 2019
Edison International: |  |  |  |
Cash and cash equivalents |  | $ | 92 |  |  | $ | 68 |
Short-term restricted cash1 |  | 2 |  |  | 2 |
Total cash, cash equivalents, and restricted cash |  | $ | 94 |  |  | $ | 70 |
1 Reflected in "Other current assets" on Edison International's consolidated balance sheets.
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, 2020 |  |  | Nine months ended September 30, 2020 |
(in millions) | Customers | All others |  | Customers | All others
Beginning balance | $ | 75 | $ | 15 |  | $ | 35 | $ | 14
Plus: current period provision for uncollectible accounts |  |  |  |  |
Included in operation and maintenance expenses | 11 | 4 |  | 39 | 11
Deferred to regulatory assets | 43 | — |  | 64 | —
Less: write-offs, net of recoveries | 5 | 2 |  | 14 | 8
Ending balance | $ | 124 | $ | 17 |  | $ | 124 | $ | 17
EPS Attributable to Edison International Common Shareholders | EPS attributable 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) |  | 2020 |  | 2019 |  | 2020 |  | 2019
Basic (loss) earnings per share: |  |  |  |  |  |  |  |
Net (loss) income attributable to common shareholders |  | $ | (288) |  |  | $ | 471 |  |  | $ | 213 |  |  | $ | 1,141 |
Net (loss) income available to common shareholders |  | $ | (288) |  |  | $ | 471 |  |  | $ | 213 |  |  | $ | 1,141 |
Weighted average common shares outstanding |  | 378 |  |  | 347 |  |  | 371 |  |  | 333 |
Basic (loss) earnings per share |  | $ | (0.76) |  |  | $ | 1.36 |  |  | $ | 0.57 |  |  | $ | 3.43 |
Diluted (loss) earnings per share: |  |  |  |  |  |  |  |
Net (loss) income attributable to common shareholders |  | $ | (288) |  |  | $ | 471 |  |  | $ | 213 |  |  | $ | 1,141 |
Net (loss) income available to common shareholders |  | $ | (288) |  |  | $ | 471 |  |  | $ | 213 |  |  | $ | 1,141 |
Net (loss) income available to common shareholders and assumed conversions |  | $ | (288) |  |  | $ | 471 |  |  | $ | 213 |  |  | $ | 1,141 |
Weighted average common shares outstanding |  | 378 |  |  | 347 |  |  | 371 |  |  | 333 |
Incremental shares from assumed conversions1 |  | — |  |  | 2 |  |  | 1 |  |  | 1 |
Adjusted weighted average shares – diluted |  | 378 |  |  | 349 |  |  | 372 |  |  | 334 |
Diluted (loss) earnings per share |  | $ | (0.76) |  |  | $ | 1.35 |  |  | $ | 0.57 |  |  | $ | 3.42 |
1 Due to the loss reported for the quarter ended September 30, 2020, incremental shares were not included as the effect would be antidilutive.

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