Income Taxes (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Mar. 31, 2024 |
Mar. 31, 2023 |
Mar. 31, 2024 |
Mar. 31, 2023 |
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| Income Tax Disclosure [Abstract] | ||||
| Income tax provision | $ 8 | $ 25 | $ 28 | $ 56 |
| Effective tax rate | (20.00%) | 71.00% | 117.00% | 57.00% |
| Unrecognized tax benefits | $ 519 | $ 522 | $ 519 | $ 522 |
| Unrecognized tax benefits that would impact effective tax rate | 153 | 125 | 153 | 125 |
| Net accrued interest | 27 | 27 | 27 | 27 |
| Interest and penalties accrued | 1 | $ 2 | 3 | $ 4 |
| Audit settlement tax benefit | $ 14 | $ 17 | ||
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- Definition Percentage 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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- 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 income tax settlements. Including, but not limited to, domestic tax settlement, foreign tax settlement, state and local tax settlement, and other tax settlements. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of interest expense accrued for an underpayment of income taxes. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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