Derivative Instruments (Details) (USD $) In Millions	6 Months Ended	12 Months Ended
Jun. 11, 2011	Dec. 25, 2010
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Notional amount of interest rate derivative instruments outstanding	$ 550
Notional amount of foreign currency derivatives	465
Derivatives, Fair Value [Line Items]
Total	23	45
Interest Rate Swaps \| Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Total	0	8
Interest Rate Swaps \| Other assets
Derivatives, Fair Value [Line Items]
Total	35	33
Foreign Currency Forwards \| Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Total	0	7
Foreign Currency Forwards \| Accounts payable and other current liabilities
Derivatives, Fair Value [Line Items]
Total	(12)	(3)
Short-term borrowings
Derivatives, Fair Value [Line Items]
Unrealized gains associated with interest rate swaps that hedge the interest rate risk for a portion of our debt and reported as an addition to debt		5
Long-term debt
Derivatives, Fair Value [Line Items]
Unrealized gains associated with interest rate swaps that hedge the interest rate risk for a portion of our debt and reported as an addition to debt	$ 29	$ 26

Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 10
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 4, 17
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958

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Amount of unrealized gain (loss) related to the fair value of interest rate derivatives designated as fair value hedging instruments. Recognized in earnings and offsets the gain (loss) on the hedged item to the extent that the fair value hedge is determined to be effective.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5618551-113959

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Aggregate notional amount of foreign currency exchange rate derivatives. Notional amount refers to the number of currency units specified in the foreign currency derivative contract.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6519104

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Aggregate notional amount of all interest rate derivatives designated as hedging instruments in fair value hedges. Notional amount refers to the monetary amount specified in the interest rate derivative contract.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
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-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5580258-113959

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