Debt (Long-Term Debt Footnote D) (Details) (USD $) In Millions, unless otherwise specified			1 Months Ended	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	May 31, 2012 3.125% U.S. Dollar Debentures due 2022 [Member]	Dec. 28, 2013 3.125% U.S. Dollar Debentures due 2022 [Member]	May 31, 2013 3.125% U.S. Dollar Debentures due 2022 [Member]
Debt Instrument [Line Items]
Debt instrument, face amount			$ 700
Debt Instrument term, in years			10 years
Debt instrument, stated interest rate			3.125%
Effective interest rate				2.74%
Fair value adjustment for interest rate swaps				13
Notional amounts of interest rate swaps	$ 3,278	$ 3,040			$ 200