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Segment Information - Schedule of Components of Adjusted OIBDA to Operating Income (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Segment Reporting [Abstract] |  |  |  |
Operating income | $ 207 | $ 189 | $ 680 | $ 578
Amortization expense | 55 | 64 | 167 | 188
Depreciation expense | 25 | 22 | 77 | 65
Restructuring and impairments | 1 | 0 | 96 | 41
Transformation initiatives and other related costs | 18 | 13 | 56 | 39
Executive transition costs | 0 | 1 | 0 | 4
Net loss (gain) on divestitures | (1) | 0 | (32) | (41)
Non-cash stock-based compensation and other related costs | 11 | 8 | 35 | 44
Adjusted OIBDA | $ 316 | $ 297 | $ 1,079 | $ 918

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