Financial Instruments (Details 3) (Intercompany, USD $)
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12 Months Ended | ||
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Sep. 27, 2013
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Sep. 28, 2012
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Sep. 30, 2011
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Intercompany
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Related Party Transaction [Line Items] | |||
Intercompany loans designated as permanent | $ 2,000,000,000 | $ 2,000,000,000 | |
Cumulative gain/(loss) on intercompany loans designated as permanent | $ 3,000,000 | $ 48,000,000 | $ (2,000,000) |