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Fair Value Measurement (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 30, 2017 | Dec. 31, 2016 | Sep. 30, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Other than Temporary Impairments, Recognized in Earnings | $ 0 | $ 0 |
Other than Temporary Impairment Losses, Deferred in OCI | 0 |  | $ 0
Assets, Fair Value Disclosure, Nonrecurring |  | 0 |
Liabilities, Fair Value Disclosure, Nonrecurring |  | $ 0 |
Disposal Group, Held-for-sale or Disposed of by Sale, Not Discontinued Operations [Member] | Sara Lee® Frozen Bakery and Van’s® businesses [Member] | Cost of Sales |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Asset Impairment Charges | 26 |  |
Fair Value, Measurements, Nonrecurring [Member] | Disposal Group, Held-for-sale or Disposed of by Sale, Not Discontinued Operations [Member] | Sara Lee® Frozen Bakery and Van’s® businesses [Member] | Cost of Sales |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Asset Impairment Charges | $ 26 |  |
Maximum [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Available For Sale Securities Debt Maturity Period | 31 years |  |
Short Term Investment Maturity Period | 12 months |  |

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