Segment Information - Schedule of Components of Adjusted OIBDA to Operating Income (Details) - USD ($) $ in Millions	12 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Segment Reporting [Abstract]
Operating income	$ 823	$ 790	$ 714
Amortization expense	224	245	263
Depreciation expense	103	87	76
Restructuring and impairments	177	42	8
Transformation initiative costs	76	53	46
Executive transition costs	0	7	0
Net gain on divestitures	(32)	(41)	0
Non-cash stock-based compensation and other related costs	61	52	42
Adjusted OIBDA	$ 1,432	$ 1,235	$ 1,149

Amount of expense for allocation of cost of intangible asset over its useful life directly used in production of good and rendering of service.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.

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The net result for the period of deducting operating expenses from operating revenues.

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Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan and expenses resulting from the write-down of assets. Excludes expenses related to a business combination, a discontinued operation or an asset retirement obligation.

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Executive Transition Costs

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Income loss from continuing operations before income taxes depreciation and amortization.

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Non-Cash Stock-Based Compensation and Other Related Costs

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Transformation Initiatives Costs

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