Income Taxes (Details 5) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 25, 2010	Dec. 26, 2009
Unrecognized tax benefits [Abstract]
Percentage threshold that the positions taken or expected to be taken is more likely than not sustained upon examination by tax authorities (in hundredths)	50.00%
Unrecognized tax benefits, which, if recognized, would affect effective tax rate	$ 197	$ 227
Unrecognized tax benefits reconciliation [Roll Forward]
Beginning of Year	308	301
Additions on tax positions related to the current year	85	45
Additions for tax positions of prior years	38	35
Reductions for tax positions of prior years	(58)	(19)
Reductions for settlements	(8)	(41)
Reductions due to statute expiration	(22)	(10)
Foreign currency translation adjustment	5	(3)
End of Year	348	308	301
Income Tax Examination [Line Items]
Accrued interest and penalties	53	48
Total interest and penalties recorded during the period	(2)	13	6
U.S. federal [Member]
Income Tax Examination [Line Items]
Open tax years	2004 – 2011
U.S. federal [Member] | Income Tax Expense (Benefit) [Member] | 2004 - 2006
Income Tax Examination [Line Items]
Possible losses due to an IRS proposed adjustment to increase the taxable value of rights to intangibles transferred to foreign subsidiaries	700
U.S. federal [Member] | Income Tax Expense (Benefit) [Member] | 2007 - present
Income Tax Examination [Line Items]
Possible losses due to an IRS proposed adjustment to increase the taxable value of rights to intangibles transferred to foreign subsidiaries	350
U.S. federal [Member] | Interest Expense [Member] | 2004 - 2006
Income Tax Examination [Line Items]
Possible losses due to an IRS proposed adjustment to increase the taxable value of rights to intangibles transferred to foreign subsidiaries	170
U.S. federal [Member] | Interest Expense [Member] | 2007 - present
Income Tax Examination [Line Items]
Possible losses due to an IRS proposed adjustment to increase the taxable value of rights to intangibles transferred to foreign subsidiaries	$ 25
China tax authority [Member]
Income Tax Examination [Line Items]
Open tax years	2008 – 2011
United Kingdom tax authority [Member]
Income Tax Examination [Line Items]
Open tax years	2003 – 2011
Mexico tax authority [Member]
Income Tax Examination [Line Items]
Open tax years	2005 – 2011
Australia tax authority [Member]
Income Tax Examination [Line Items]
Open tax years	2007 – 2011