Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 14, 2014	Jun. 15, 2013	Jun. 14, 2014	Jun. 15, 2013
Income Tax And Effective Tax Rate [Abstract]
Income taxes provision	$ 112	$ 82	$ 251	$ 202
Effective tax rate	24.90%	22.70%	25.40%	24.80%
Expected full year tax effect, low range			26.00%
Expected full year tax effect, high range			28.00%
Fiscal years 2004-2006 [Member] | Income Tax Expense (Benefit) [Member] | Internal Revenue Service (IRS) [Member]
Income Tax And Effective Tax Rate [Abstract]
Income Tax Examination, Estimate of Possible Loss			700
Fiscal years 2004-2006 [Member] | Interest Expense [Member] | Internal Revenue Service (IRS) [Member]
Income Tax And Effective Tax Rate [Abstract]
Income Tax Examination, Estimate of Possible Loss			270
Fiscal years 2007-2008 [Member] | Income Tax Expense (Benefit) [Member] | Internal Revenue Service (IRS) [Member]
Income Tax And Effective Tax Rate [Abstract]
Income Tax Examination, Estimate of Possible Loss			270
Fiscal years 2007-2008 [Member] | Interest Expense [Member] | Internal Revenue Service (IRS) [Member]
Income Tax And Effective Tax Rate [Abstract]
Income Tax Examination, Estimate of Possible Loss			45
Fiscal years 2009-2013 [Member] | Income Tax Expense (Benefit) [Member] | Internal Revenue Service (IRS) [Member]
Income Tax And Effective Tax Rate [Abstract]
Income Tax Examination, Estimate of Possible Loss			140
Fiscal years 2009-2013 [Member] | Interest Expense [Member] | Internal Revenue Service (IRS) [Member]
Income Tax And Effective Tax Rate [Abstract]
Income Tax Examination, Estimate of Possible Loss			$ 10