Nonconsolidated Partially-Owned Affiliates - Schedule of Operating Information of Nonconsolidated Partially-Owned Affiliates (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Sep. 30, 2023
Equity Method Investments and Joint Ventures [Abstract]
Investments in partially-owned affiliates	$ 328		$ 328		$ 303
Schedule of Equity Method Investments [Line Items]
Gross profit	$ 207	$ 302	683	$ 783
Equity Method Investment, Nonconsolidated Investee or Group of Investees
Schedule of Equity Method Investments [Line Items]
Net sales			2,863	2,715
Gross profit			274	257
Net income			139	121
Net income attributable to the entity			$ 137	$ 120