Income Taxes (Narrative) (Details) (USD $)	3 Months Ended		4 Months Ended	12 Months Ended					4 Months Ended	12 Months Ended
	Mar. 24, 2012	Jun. 12, 2010	Dec. 29, 2012	Dec. 28, 2013	Dec. 29, 2012	Dec. 28, 2013 Expire in 2014	Dec. 28, 2013 Expire Between 2015 and 2033 Years	Dec. 28, 2013 Carried Forward Indefinitely	Dec. 28, 2013 Tax Settlement, Years 2003-2009	Dec. 28, 2013 Open Tax Years
Income Tax Contingency [Line Items]
Income Taxes Paid									$ 758,000,000	$ 226,000,000
One-time related tax charge		41,000,000
Provision for income taxes			217,000,000						209,000,000
Prescription drug benefit subsidy, income tax benefit	55,000,000
Total gross amount of reserves for income taxes				1,268,000,000
Interest accrued			670,000,000	164,000,000	670,000,000
Interest accrued recognized				36,000,000	10,000,000
Operating loss carryforwards				11,100,000,000		100,000,000	10,400,000,000	600,000,000
Income tax undistributed international earnings				$ 34,100,000,000