Income Taxes - Narrative (Details) - USD ($) $ in Millions |
3 Months Ended | |||
|---|---|---|---|---|
Jan. 01, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Sep. 30, 2023 |
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| Income Tax Examination [Line Items] | ||||
| Effective income tax rate | 0.20% | 8.20% | ||
| Gross tax effected unrecognized tax benefits | $ 2,200 | |||
| Amount of unrecognized tax benefits which may impact effective tax rate | 1,600 | |||
| Total net accrued interest, net of tax benefit | $ 335 | |||
| Unrecognized tax benefits, income tax penalties and interest expense | $ 31 | $ 26 | ||
| Restructuring and impairment costs | 39 | 345 | ||
| Restructuring charges, tax benefit | $ 7 | $ 52 | ||
| IRELAND | ||||
| Income Tax Examination [Line Items] | ||||
| Ireland statutory income tax rate | 12.50% | 12.50% | ||
| SWITZERLAND | ||||
| Income Tax Examination [Line Items] | ||||
| Noncash discrete net tax benefit | $ 80 | |||
| SWITZERLAND | Subsequent Event | ||||
| Income Tax Examination [Line Items] | ||||
| Ireland statutory income tax rate | 15.00% | |||
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- Definition Restructuring charges, tax (benefit) No definition available.
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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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- 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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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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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, 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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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