Supplemental Balance Sheet Information - Summary of Accounts Receivable (Details) - USD ($) $ in Millions	Sep. 30, 2021	Sep. 30, 2020
Current
Trade	$ 475	$ 409
Other	16	14
Notes receivable from franchisees	10	13
Receivables, gross	501	436
Allowance for credit losses	(5)	(3)
Receivables, net	496	433
Non-current
Notes receivable from franchisees	0	13
Other Notes Receivable non current	3	8
Notes Receivable, Gross, Noncurrent	3	21
Allowance for losses	(3)	(4)
Noncurrent notes receivable, net	0	17
Accounts Receivable, Factoring Agreement, Amount Of Receivables Sold	$ 15	$ 59

Amount of allowance for credit loss of accounts and financing receivables. Includes, but is not limited to, notes and loan receivable.

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