Income Taxes - Summary of Activity Related to Unrecognized Tax Benefits (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Jan. 03, 2021 |
Dec. 29, 2019 |
Dec. 30, 2018 |
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| Summary of unrecognized tax benefits | |||
| Beginning of year | $ 3,853 | $ 3,326 | $ 3,151 |
| Increases related to current year tax positions | 265 | 249 | 242 |
| Increases related to prior period tax positions | 668 | 408 | 145 |
| Decreases related to prior period tax positions | (551) | (105) | (137) |
| Settlements | (839) | (9) | (40) |
| Lapse of statute of limitations | (23) | (16) | (35) |
| End of year | $ 3,373 | $ 3,853 | $ 3,326 |
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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/disclosureRef
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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://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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://fasb.org/us-gaap/role/ref/legacyRef
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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://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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