Composition of Certain Financial Statement Items Other Income, Costs and Expenses (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|---|
Mar. 31, 2019 |
Mar. 25, 2018 |
Dec. 24, 2017 |
Mar. 31, 2019 |
Mar. 25, 2018 |
Sep. 27, 2009 |
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| Restructuring and restructuring-related charges | $ 25 | $ 310 | $ 204 | |||
| Gain (Loss) Related to Litigation Settlement | 31 | |||||
| KFTC Complaint [Member] | ||||||
| (Gain) Loss contingency, loss in period | $ (230) | |||||
| EC [Member] | ||||||
| (Gain) Loss contingency, loss in period | $ (1,200) | $ (1,200) | ||||
| Other Expenses [Member] | KFTC Complaint [Member] | ||||||
| (Gain) Loss contingency, loss in period | $ 43 | $ 43 | ||||
| X | ||||||||||
- Definition Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- 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://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
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