Accounts Receivable	6 Months Ended
	Mar. 31, 2023
Receivables [Abstract]
Accounts Receivable	Accounts ReceivableThe Company enters into various factoring agreements to sell certain accounts receivable to third-party financial institutions. For the majority of these agreements, for ease of administration, the Company collects customer payments related to the factored receivables on behalf of the financial institutions but otherwise maintains no continuing involvement with respect to the factored receivables. Sales of accounts receivable are reflected as a reduction of accounts receivable in the consolidated statements of financial position and the proceeds are included in cash flows from operating activities in the consolidated statements of cash flows. The Company sold $427 million and $836 million of accounts receivable under these factoring agreements during the three and six months ended March 31, 2023, respectively. The Company sold $234 million and $368 million of accounts receivable under these factoring agreements during the three and six months ended March 31, 2022, respectively. The cost of factoring such receivables was not material. Previously sold receivables still outstanding were $402 million and $476 million as of March 31, 2023 and September 30, 2022, respectively.