Derivative Instruments (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended												3 Months Ended		6 Months Ended
	Jun. 15, 2013	Jun. 16, 2012	Jun. 15, 2013 Interest Rate Swaps	Jun. 15, 2013 Interest Rate Swaps Other assets	Dec. 29, 2012 Interest Rate Swaps Other assets	Jun. 15, 2013 Interest Rate Swaps Long-term debt	Dec. 29, 2012 Interest Rate Swaps Long-term debt	Jun. 15, 2013 Foreign Currency Forwards [Member]	Jun. 15, 2013 Foreign Currency Forwards [Member] Prepaid expenses and other current assets	Dec. 29, 2012 Foreign Currency Forwards [Member] Prepaid expenses and other current assets	Jun. 15, 2013 Foreign Currency Forwards [Member] Accounts payable and other current liabilities	Dec. 29, 2012 Foreign Currency Forwards [Member] Accounts payable and other current liabilities	Jun. 15, 2013 Fair value hedging Interest Expense [Member] Interest Rate Swaps	Jun. 16, 2012 Fair value hedging Interest Expense [Member] Interest Rate Swaps	Jun. 15, 2013 Fair value hedging Interest Expense [Member] Interest Rate Swaps	Jun. 16, 2012 Fair value hedging Interest Expense [Member] Interest Rate Swaps
Derivatives, Fair Value [Line Items]
Notional amount of interest rate derivative instruments outstanding			$ 300
Notional amount of foreign currency derivative instruments outstanding								493
Derivative assets				20	24				5	0
Derivative liability											(1)	(5)
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						18	22
Derivative assets (liabilites) beg. balance, net	19	34
Changes in fair value recognized into OCI	9	11
Changes in fair value recognized into income	(1)	4											2	4	4	8
Cash receipts	(3)	(8)
Derivative assets (liabilites) ending balance, net	$ 24	$ 41