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Pensions And Other Postretirement Benefits (Categories Of Pension Plan Assets And Level Under Which Fair Values Were Determined In Fair Value Hierarchy) (Details) (USD $) In Millions, unless otherwise specified | Sep. 28, 2013 | Sep. 29, 2012
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Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | $ 85 |
Level 1 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | 1 |
Level 2 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | 67 |
Level 3 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | 17 | 17
Cash and Cash Equivalents [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | 1 |
Cash and Cash Equivalents [Member] | Level 1 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | 1 |
Cash and Cash Equivalents [Member] | Level 2 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | 0 |
Cash and Cash Equivalents [Member] | Level 3 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | 0 |
U.S. Stock Funds [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | 3 |
U.S. Stock Funds [Member] | Level 1 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | 0 |
U.S. Stock Funds [Member] | Level 2 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | 3 |
U.S. Stock Funds [Member] | Level 3 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | 0 |
International Stock Funds [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | 5 |
International Stock Funds [Member] | Level 1 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | 0 |
International Stock Funds [Member] | Level 2 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | 5 |
International Stock Funds [Member] | Level 3 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | 0 |
Global Real Estate Funds [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | 3 |
Global Real Estate Funds [Member] | Level 1 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | 0 |
Global Real Estate Funds [Member] | Level 2 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | 3 |
Global Real Estate Funds [Member] | Level 3 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | 0 |
Equity Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | 11 |
Equity Securities [Member] | Level 1 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | 0 |
Equity Securities [Member] | Level 2 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | 11 |
Equity Securities [Member] | Level 3 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | 0 |
Insurance Contract [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | 14 |
Insurance Contract [Member] | Level 1 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | 0 |
Insurance Contract [Member] | Level 2 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | 0 |
Insurance Contract [Member] | Level 3 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | 14 |
Fixed Income Securities Bond Fund [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | 56 |
Fixed Income Securities Bond Fund [Member] | Level 1 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | 0 |
Fixed Income Securities Bond Fund [Member] | Level 2 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | 56 |
Fixed Income Securities Bond Fund [Member] | Level 3 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | 0 |
Other Investments [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | 3 |
Other Investments [Member] | Level 1 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | 0 |
Other Investments [Member] | Level 2 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | 0 |
Other Investments [Member] | Level 3 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit pension plan assets | $ 3 |

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- Definition Assets, usually stocks, bonds, and other investments, that have been segregated and restricted (usually in a trust) to provide benefits, at their fair value as of the measurement date. Plan assets include amounts contributed by the employer (and by employees for a contributory plan) and amounts earned from investing the contributions, less benefits paid. If a plan has liabilities other than for benefits, those non-benefit obligations may be considered as reductions of plan assets. + 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 (b) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Section 35 -Paragraph 50 -URI http://asc.fasb.org/extlink&oid=29635418&loc=d3e12355-114930 + Details
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