Income Taxes - Schedule of Differences between U.S. Federal Statutory Income Tax Rate and Income Taxes Provided (Details) - USD ($) $ in Millions |
12 Months Ended | ||
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Sep. 30, 2024 |
Sep. 30, 2023 |
Sep. 30, 2022 |
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| Income Tax Disclosure [Abstract] | |||
| U.S. federal corporate statutory tax rate | 21.00% | 21.00% | 21.00% |
| Taxes on income at the U.S. federal statutory rate | $ 126 | $ 128 | $ 155 |
| U.S. state and local taxes | 1 | 12 | 15 |
| Foreign income taxed at different rates, including withholding taxes | 29 | 33 | 29 |
| Valuation allowance | 0 | (5) | (6) |
| Change in tax rates | 3 | 0 | 1 |
| GILTI and FDII | (3) | (4) | (6) |
| Federal research and development credits | (3) | (8) | 0 |
| Uncertain tax positions | (3) | 7 | (3) |
| Non-deductible compensation | 11 | 8 | 6 |
| Wind down of O&O media properties | (17) | 0 | 0 |
| Return to provision adjustments | (15) | 4 | (4) |
| Nontaxable income from partnerships | (9) | (1) | (1) |
| Other | 3 | (4) | (1) |
| Income tax expense | $ 123 | $ 170 | $ 185 |
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in the income tax rates. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax expense (benefit). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for award under share-based payment arrangement. Includes, but is not limited to, expense determined to be nondeductible upon grant or after for award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying statutory federal (national) tax rate to pretax income (loss) from continuing operation attributable to other reconciling item. Excludes state and local income tax expense (benefit), federal tax expense (benefit), statutory income tax expense (benefit) outside of country of domicile, tax credit, nondeductible expense, deduction, income tax settlement, income tax contingency, and cross-border tax law. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Effective Income Tax Rate Reconciliation, Global Intangible Low Taxed Income And Foreign Derived Intangible Income, Amount No definition available.
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- Definition Effective Income Tax Rate Reconciliation, Nondeductible Expense, Change In Prior Year Estimates No definition available.
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- Definition Effective Income Tax Rate Reconciliation, Nondeductible Expense, Nontaxable Income From Partnerships No definition available.
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- Definition Effective Income Tax Rate Reconciliation, Nondeductible Expense, Wind Down Of Business No definition available.
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- Definition Effective Income Tax Rate Reconciliation, Uncertain Tax Positions, Amount No definition available.
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