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Financial Instruments (Details) (Summary of Derivative Instruments) (Details) (USD $)
In Millions, unless otherwise specified |
Sep. 27, 2014
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Dec. 28, 2013
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Foreign Exchange Contract
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| Derivative [Line Items] | ||
| Contracts designated as cash flow hedging instruments | $ (2) | $ (3) |
| Contracts not designated as hedging instruments | (1) | (1) |
| Derivative contracts, net | (3) | |
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Cash Flow Hedging
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| Derivative [Line Items] | ||
| Derivative, notional amount | 211 | 124 |
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Fair Value Hedging
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| Derivative [Line Items] | ||
| Derivative, notional amount | 250 | |
| Derivative contracts, net | $ (1) | $ 0 |
| X | ||||||||||
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- Definition
Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Fair value of the assets less the liabilities of a derivative or group of derivatives. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Fair value as of the balance sheet date of all foreign currency derivatives not designated as hedging instruments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Fair value as of the balance sheet date of all derivatives designated as foreign currency fair value hedging instruments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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