Income Taxes (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | 12 Months Ended | |
|---|---|---|---|---|
Mar. 26, 2017 |
Mar. 26, 2017 |
Sep. 24, 2017 |
Sep. 25, 2016 |
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| Income Taxes [Line Items] | ||||
| Effective income tax rate | 13.00% | 17.00% | ||
| Tax benefits from foreign income taxed at rates lower than rates in the United States | 16.00% | |||
| Tax benefit from a worthless stock deduction on a domestic subsidiary | $ 101 | |||
| Tax benefits as a result of R&D tax credit reinstatement related to prior years | 79 | |||
| Unrecognized Tax Benefits | $ 279 | $ 279 | $ 271 | |
| Scenario, Forecast [Member] | ||||
| Income Taxes [Line Items] | ||||
| Effective income tax rate | 17.00% | |||
| Tax benefits from foreign income taxed at rates lower than rates in the United States | 21.00% | |||
| KFTC [Member] | Other Operating Income (Expense) [Member] | ||||
| Income Taxes [Line Items] | ||||
| KFTC fine | $ 921 | |||
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- Definition Tax benefit recognized in the current period related to a prior period due to retroactive extension of the U.S. federal research and development tax credit. 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/presentationRef
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- Definition Percentage 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 applicable to statutory income tax expense (benefit) outside of the country of domicile. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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 other deductions. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of loss pertaining to the specified contingency that was charged against earnings in the period, including the effects of revisions in previously reported estimates. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. No definition available.
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- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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