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Other Comprehensive Income (Loss) (Components Of Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Sep. 28, 2024 | Sep. 30, 2023 | Oct. 01, 2022
Other Comprehensive Income Loss [Line Items] |  |  |
Total Other Comprehensive Income (Loss), Before Tax | $ 89 | $ 38 | $ (115)
Total Other Comprehensive Income (Loss), Tax | 1 | (1) | (10)
Total Other Comprehensive Income (Loss), Net of Taxes | $ 90 | $ 37 | $ (125)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Cost of Sales | Cost of Sales | Cost of Sales
Currency translation | $ 100 | $ 29 | $ (162)
Interest rate hedges | Cash Flow Hedging [Member] |  |  |
Other Comprehensive Income Loss [Line Items] |  |  |
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Interest expense | Interest expense | Interest expense
Derivatives accounted for as cash flow hedges: |  |  |
Other Comprehensive Income Loss [Line Items] |  |  |
Other Comprehensive Income (Loss), Before Reclassifications, Before Tax | $ (9) | $ 0 | $ 0
Other Comprehensive Income (Loss), Before Reclassifications, Tax | 2 | 0 | 0
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax | (7) | 0 | 0
Derivatives accounted for as cash flow hedges: | Interest Expense [Member] |  |  |
Other Comprehensive Income Loss [Line Items] |  |  |
Reclassification from Accumulated Other Comprehensive Income, Before Tax | 1 | 2 | 1
Reclassification from AOCI, Current Period, Tax | 0 | 0 | 0
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax | 1 | 2 | 1
Derivatives accounted for as cash flow hedges: | Cost of Sales |  |  |
Other Comprehensive Income Loss [Line Items] |  |  |
Reclassification from Accumulated Other Comprehensive Income, Before Tax | 1 | 0 | 0
Reclassification from AOCI, Current Period, Tax | 0 | 0 | 0
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax | 1 | 0 | 0
Investments: |  |  |
Other Comprehensive Income Loss [Line Items] |  |  |
Other Comprehensive Income (Loss), Before Reclassifications, Before Tax | 5 | 1 | (8)
Other Comprehensive Income (Loss), Before Reclassifications, Tax | (1) | 0 | 1
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax | 4 | 1 | (7)
Currency translation: |  |  |
Other Comprehensive Income Loss [Line Items] |  |  |
Other Comprehensive Income (Loss), Before Reclassifications, Before Tax | 103 | 29 | (166)
Other Comprehensive Income (Loss), Before Reclassifications, Tax | (3) | 0 | 4
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax | 100 | 29 | (162)
Postretirement benefits: |  |  |
Other Comprehensive Income Loss [Line Items] |  |  |
Other Comprehensive Income (Loss), Before Reclassifications, Before Tax | (12) | 6 | 58
Other Comprehensive Income (Loss), Before Reclassifications, Tax | 3 | (1) | (15)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax | (9) | $ 5 | $ 43
Accumulated Foreign Currency Adjustment Attributable to Noncontrolling Interest |  |  |
Other Comprehensive Income Loss [Line Items] |  |  |
Currency translation | $ 14 |  |

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