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Pensions And Other Postretirement Benefits (Narrative) (Details) $ in Millions | 12 Months Ended
--- | ---
Oct. 01, 2016 USD ($) plan | Oct. 03, 2015 USD ($) plan | Sep. 27, 2014 USD ($)
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined Benefit Plan, Number of Plans | plan | 9 |  |
Defined contribution retirement programs, expenses recognized | $ 67 | $ 62 | $ 53
Number of defined benefit plans with accumulated benefit obligations in excess of plan assets | plan | 8 | 8 |
Healthcare cost trend rate, assumed, retirees who do qualify for Medicare | 9.00% |  |
Healthcare cost trend rate, assumed, retirees who do not yet qualify for Medicare | 7.60% |  |
Healthcare cost trend rate, ultimate rate | 4.50% |  |
Defined Benefit Pension, Fair Value of Plan Assets | $ 1,440 | $ 1,576 |
Expected contributions to pension plans for fiscal 2017 | 40 |  |
Defined benefit plans funding | 64 | 14 | 9
Multiemployer Plans, Pension [Member] | Bakery and Confectionary Union & Industry International Pension Fund [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Multiemployer plan, contributions | $ 1 | 1 |
Multiemployer Plans, Pension [Member] | Bakery and Confectionary Union & Industry International Pension Fund [Member] | Pension and Other Postretirement Plans, Contributions, Total [Member] | Multiemployer Plans Concentration Risk [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Concentration, Percentage (less than) | 5.00% |  |
Unfunded Non-Qualified Pension Plan [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined Benefit Plan, Number of Unfunded Non-Qualified Plans | plan | 3 |  |
Amounts expected to be reclassified to earnings within next 12 months | $ 6 |  |
Defined Benefit Plan, Benefit Obligation | 222 | 201 | 182
Defined Benefit Pension, Fair Value of Plan Assets | 0 | 0 | 3
Defined benefit plans funding | $ 10 | 8 |
Funded Qualified Pension Plan [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined Benefit Plan, Number of Funded Qualified Plans | plan | 6 |  |
Defined Benefit Plan, Number of Frozen and Noncontributory Qualified Plans | plan | 5 |  |
Number of defined benefit plans | plan | 2 |  |
Accumulated benefit obligation | $ 1,554 | 1,785 |
Amounts expected to be reclassified to earnings within next 12 months | 1 |  |
Defined Benefit Plan, Benefit Obligation | 1,554 | 1,785 | 1,849
Defined Benefit Pension, Fair Value of Plan Assets | 1,440 | 1,576 | 1,647
Defined benefit plans funding | $ 54 | 6 |
Assumed Pension Plan Settlement Election Rate | 50.00% |  |
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements | $ 2 |  |
Other Postretirement Benefit Plan [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Amounts expected to be reclassified to earnings within next 12 months | (25) |  |
Defined Benefit Plan, Benefit Obligation | 36 | 114 | 163
Defined Benefit Pension, Fair Value of Plan Assets | 0 | 0 | $ 0
Defined benefit plans funding | $ 9 | 10 |
Postretirement Health Coverage [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined Benefit Plan, Number of Plans Subject to Partial Settlement, Health and Life Insurance Related | plan | 5 |  |
Defined Benefit Plans, Not Impacted by Heathcare Cost Trend Rates | plan | 2 |  |
Defined Benefit Plan, Benefit Obligation Not Impacted by Healthcare Cost Trend Due to Plan Amendments | $ 2 |  |
Defined Benefit Plan, Benefit Obligation Not Impacted by Healthcare Cost Trend | 22 |  |
Defined Benefit Plan, Benefit Obligation | $ 12 |  |
Defined Benefit Plans, Not Impacted by Heathcare Cost Trend Rates, Consisting of Fixed Annual Payments | plan | 1 |  |
Defined Benefit Plans, Not Impacted by Heathcare Cost Trend Rates, Life Insurance Related | plan | 1 |  |
Foreign Subsidiary Pension Benefit Plans [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Number of defined benefit plans | plan | 1 |  |
Defined Benefit Pension, Fair Value of Plan Assets | $ 28 | $ 14 |

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- Definition 1) For defined benefit pension plans, the benefit obligation is the projected benefit obligation, which is the actuarial present value as of a date of all benefits attributed by the pension benefit formula to employee service rendered prior to that date. 2) For other postretirement defined benefit plans, the benefit obligation is the accumulated postretirement benefit obligation, which is the actuarial present value of benefits attributed to employee service rendered to a particular date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Projected Benefit Obligation -URI http://asc.fasb.org/extlink&oid=6522206 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Accumulated Postretirement Benefit Obligation -URI http://asc.fasb.org/extlink&oid=6503904 + Details
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