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Accounts Receivable, Net (Details) - USD ($) $ in Millions	Dec. 31, 2020	Sep. 30, 2020
Accounts Receivable, Net
Accounts Receivable, before Allowance for Credit Loss, Current	$ 1,242	$ 1,401
Other receivables	126	128
Allowance for uncollectible accounts	1
Accounts receivable, net	1,368	$ 1,529
Total available Credit on the Public Power Support and Stabilization Program	1,000
Subsequent Credit on the Public Power Support and Stabilization Program	$ 1

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Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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