Pay vs Performance Disclosure - USD ($) $ in Millions	12 Months Ended
Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2021
Pay vs Performance Disclosure
Net income (loss)	$ 500	$ 1,108	$ 1,512

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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+ Details