Other Income (Expense), Net Other Income (Expense), Net Narrative (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011
Other Income and Expenses [Abstract]
Excise tax expense	$ 31	$ 28
Pre-tax gain on sale of investment	14	0	5
Investment impairment charges	$ 0	$ 0	$ 5

The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

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+ Details