Income Taxes - Reconciliation of Beginning and Ending Amount of Gross Unrecognized Tax Benefits, Excluding Related Accrual for Interest (Detail) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Sep. 28, 2024 |
Sep. 30, 2023 |
Oct. 01, 2022 |
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| Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] | |||
| Balance at the beginning of the year | $ 2,517 | $ 2,449 | $ 2,641 |
| Increases for current year tax positions | 82 | 98 | 48 |
| Increases for prior year tax positions | 209 | 273 | 103 |
| Decreases in prior year tax positions | (423) | (144) | (98) |
| Settlements with taxing authorities | (239) | (153) | (235) |
| Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations | (194) | (6) | (10) |
| Balance at the end of the year | $ 1,952 | $ 2,517 | $ 2,449 |
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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