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CONSOLIDATED BALANCE SHEET (UNAUDITED) (Parenthetical) - USD ($) $ in Millions | Sep. 30, 2023 | Dec. 31, 2022
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Statement of Financial Position [Abstract] |  |
Accounts receivable - customers, allowance for uncollectible accounts | $ 276 | $ 322
Other receivables, allowance for uncollectible accounts | 31 | 10
Non-utility property, accumulated depreciation | $ 24 | $ 23

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