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Accounts Receivable, Net Accounts Receivable, Net (Details) - USD ($) $ in Millions | Sep. 30, 2023 | Sep. 30, 2022
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Power receivables | $ 1,627 |  | $ 1,899
Other receivables | 118 |  | 108
Allowance for uncollectible accounts | (1) | [1] | (1)
Accounts receivable, net | $ 1,745 |  | $ 2,007
[1] | Allowance for uncollectible accounts was less than $1 million at both September 30, 2023 and 2022, and therefore is not represented in the table above.

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