Dispositions and Other Expense Other Expense (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
Mar. 28, 2015	Mar. 29, 2014	Mar. 28, 2015	Mar. 29, 2014
Schedule of Other Income and Expense [Line Items]
Net gains (losses) on foreign currency denominated assets and liabilities	$ 0	$ (143)	$ 0	$ (143)
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property	0us-gaap_GainLossOnDispositionOfAssets	77us-gaap_GainLossOnDispositionOfAssets	0us-gaap_GainLossOnDispositionOfAssets	77us-gaap_GainLossOnDispositionOfAssets
Other Nonoperating Income (Expense)	0us-gaap_OtherNonoperatingIncomeExpense	29us-gaap_OtherNonoperatingIncomeExpense	0us-gaap_OtherNonoperatingIncomeExpense	35us-gaap_OtherNonoperatingIncomeExpense
Nonoperating Income (Expense)	$ 0us-gaap_NonoperatingIncomeExpense	$ (37)us-gaap_NonoperatingIncomeExpense	$ 0us-gaap_NonoperatingIncomeExpense	$ (31)us-gaap_NonoperatingIncomeExpense

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Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 830

-SubTopic 20

-Section 45

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Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property.

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-Publisher FASB

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The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).

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The net amount of other income and expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income (expense) recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) net gains or losses on securities, (d) unusual costs, (e) gains or losses on foreign exchange transactions, and (f) miscellaneous other income and expense items.

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