Short-term Borrowings and Long-term Debt (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
	Sep. 08, 2012	Dec. 29, 2012		Dec. 31, 2011	Dec. 25, 2010
Short-term Borrowings
Current maturities of long-term debt		$ 10		$ 315
Current portion of fair value hedge accounting adjustment		0		5
Total Short-term Borrowings		10		320
Long-term Debt
Capital lease obligations		170		279
Total long-term debt		2,920		3,291
Current maturities of long-term debt		(10)		(315)
Long-term debt excluding long-term portion of hedge accounting adjustment		2,910		2,976
Long-term portion of fair value hedge accounting adjustment		22		21
Long-term debt including hedge accounting adjustment		2,932		2,997
Capital Lease Obligations Excluded from Annual Maturities		170		279
Derivative Instrument Adjustments Excluded from Annual Maturities Table		22
Senior Unsecured Notes [Abstract]
Repayments of Senior Unsecured Notes	263
Annual maturities of short-term borrowings and long-term debt excluding capital lease obligations and derivative instrument adjustments [Abstract]
2013		0
2014		56
2015		250
2016		300
2017		0
Thereafter		2,150
Total		2,756
Interest expense on short-term borrowings and long-term debt		169		184	195
Senior Unsecured Notes Due April 2016 [Member]
Senior Unsecured Notes [Abstract]
Issuance date		Apr. 01, 2006	[1]
Maturity date		April 2016
Principal amount		300
Interest rate, stated (in hundredths)		6.25%
Interest rate, effective (in hundredths)		6.03%	[2]
Senior Unsecured Notes Due March 2018 [Member]
Senior Unsecured Notes [Abstract]
Issuance date		Oct. 01, 2007	[1]
Maturity date		March 2018
Principal amount		600
Interest rate, stated (in hundredths)		6.25%
Interest rate, effective (in hundredths)		6.38%	[2]
Senior Unsecured Notes Due November 2037 [Member]
Senior Unsecured Notes [Abstract]
Issuance date		Oct. 01, 2007	[1]
Maturity date		November 2037
Principal amount		600
Interest rate, stated (in hundredths)		6.88%
Interest rate, effective (in hundredths)		7.29%	[2]
Senior Unsecured Notes Due September 2015 [Member]
Senior Unsecured Notes [Abstract]
Issuance date		Aug. 01, 2009	[1]
Maturity date		September 2015
Principal amount		250
Interest rate, stated (in hundredths)		4.25%
Interest rate, effective (in hundredths)		4.44%	[2]
Senior Unsecured Notes Due September 2019 [Member]
Senior Unsecured Notes [Abstract]
Issuance date		Aug. 01, 2009	[1]
Maturity date		September 2019
Principal amount		250
Interest rate, stated (in hundredths)		5.30%
Interest rate, effective (in hundredths)		5.59%	[2]
Senior Unsecured Notes Due November 2020 [Member]
Senior Unsecured Notes [Abstract]
Issuance date		Aug. 01, 2010	[1]
Maturity date		November 2020
Principal amount		350
Interest rate, stated (in hundredths)		3.88%
Interest rate, effective (in hundredths)		4.01%	[2]
Senior Unsecured Notes Due November 2021 [Member]
Senior Unsecured Notes [Abstract]
Issuance date		Aug. 01, 2011	[1]
Maturity date		November 2021
Principal amount		350
Interest rate, stated (in hundredths)		3.75%
Interest rate, effective (in hundredths)		3.88%	[2]
Senior Unsecured Notes Due September 2014 [Member]
Senior Unsecured Notes [Abstract]
Issuance date		Sep. 01, 2011	[1]
Maturity date		September 2014
Principal amount		56
Interest rate, stated (in hundredths)		2.38%
Interest rate, effective (in hundredths)		2.89%	[2]
Line of Credit [Member]
Long-term Debt
Minimum principal payment failure amount that constitutes default		125
Line of Credit [Member] | Unsecured International Revolving Credit Facility [Member]
Line of Credit Facility [Abstract]
Line of credit facility, maximum borrowing capacity				350
Line of Credit [Member] | Unsecured Revolving Credit Facility [Member]
Short-term Borrowings
Revolving credit facilities, current		0		0
Line of Credit Facility [Abstract]
Line of credit facility, maximum borrowing capacity		1,300		1,150
Line of credit facility, expiration date		Mar. 31, 2017
Line of credit facility, number of participating banks		24
Line of credit facility, minimum commitment from participating banks		23
Line of credit facility, maximum commitment from participating banks		115
Unused Credit Facility		1,200
Outstanding letters of credit		63
Outstanding borrowings		0
Line of Credit [Member] | Unsecured Revolving Credit Facility [Member] | LIBOR [Member]
Line of Credit Facility [Abstract]
Debt instrument, lower range of basis spread on variable rate		1.00%
Debt instrument, upper range of basis spread on variable rate		1.75%
Debt instrument, description of variable rate basis		LIBOR
Senior Unsecured Notes [Member]
Long-term Debt
Long-term debt		2,750		3,012
Minimum principal payment failure amount that constitutes default		$ 50
Senior Unsecured Notes [Abstract]
Maturity date range, start		Sep. 29, 2014
Maturity date range, end		Nov. 15, 2037
Interest rate, stated, minimum (in hundredths)		2.38%
Interest rate, stated, maximum (in hundredths)		6.88%
Number of months until first required interest payment after debt issuance		6
Frequency of interest payments		semi-annually
Senior unsecured notes number of days notice on default		30

[1] Interest payments commenced approximately six months after issuance date and are payable semi-annually thereafter.

[2] Includes the effects of the amortization of any (1) premium or discount; (2) debt issuance costs; and (3) gain or loss upon settlement of related treasury locks and forward-starting interest rate swaps utilized to hedge the interest rate risk prior to the debt issuance. Excludes the effect of any swaps that remain outstanding as described in Note 12.