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Accounting Policies (Details) (Variable Interest Entity, Primary Beneficiary [Member], USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 28, 2013	Sep. 28, 2013
Variable Interest Entity, Primary Beneficiary [Member]
Accounting Policies [Line Items]
Ownership interest percentage, investment in Dynamic Fuels, LLC joint venture	50.00%
Variable interest entity total assets	$ 160	$ 166
Variable interest entity net property, plant and equipment	138	142
Variable interest entity total liabilities	113	113
Variable interest entity long-term debt	$ 100	$ 100

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- Definition

Variable Interest Entity, Consolidated, Carrying Amount, Long-term Debt

+ References

No definition available.

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- Definition

Variable Interest Entity, Consolidated, Carrying Amount, Property, Plant and Equipment

+ References

No definition available.

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- Definition

The carrying amount of the consolidated Variable Interest Entity's assets included in the reporting entity's statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (bb)

-URI http://asc.fasb.org/extlink&oid=28200181&loc=d3e5710-111685

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- Definition

The carrying amount of the consolidated Variable Interest Entity's liabilities included in the reporting entity's statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (bb)

-URI http://asc.fasb.org/extlink&oid=28200181&loc=d3e5710-111685

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- Definition

Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 50

-Paragraph 5A

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=28200181&loc=SL6759159-111685

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