Debt (Long-Term Debt Footnote H) (Details) (3.25% U.S. Dollar Notes Due 2018 [Member], USD $) In Millions, unless otherwise specified	1 Months Ended		12 Months Ended
	Dec. 31, 2011	May 31, 2011	Dec. 29, 2012	Oct. 31, 2011
3.25% U.S. Dollar Notes Due 2018 [Member]
Debt Instrument [Line Items]
Debt instrument, face amount		$ 400
Debt Instrument term, in years		7 years
Debt instrument, stated interest rate		3.25%
Effective interest rate			2.14%
Notional amounts of interest rate swaps				400
Fair value adjustment for interest rate swaps	$ 10		$ 21