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Income Taxes (Tables)
6 Months Ended
Jul. 02, 2011
Income Taxes  
Total Gross Unrecognized Tax Benefits
(millions)  
January 1, 2011$ 104
Tax positions related to current year:  
 Additions   5
Tax positions related to prior years:  
 Additions   4
 Reductions   (14)
Settlements   (29)
July 2, 2011$ 70
Income Tax-related Interest and Penalties as Interest Expense
(millions)  
Interest accrued at January 1, 2011$26
Reduction of interest expense recognized for the year-to-date period ended July 2, 2011$(4)
Interest accrued at July 2, 2011$16