Income Taxes (Income Tax-related Interest and Penalties as Interest Expense) (Details) (USD $) In Millions	6 Months Ended
Jul. 02, 2011	Jan. 01, 2011
Income Taxes
Interest accrued	$ 16	$ 26
Interest expense recognized for the year-to-date period ended July 2, 2011	$ (4)

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us-gaap_IncomeTaxExaminationPenaltiesAndInterestAccrued

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Period Type:

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