Stock-based Compensation Stock Based Compensation (Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Jan. 03, 2015	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Dec. 28, 2013	Sep. 28, 2013	Jun. 29, 2013	Mar. 30, 2013	Jan. 03, 2015	Dec. 28, 2013	Dec. 29, 2012
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Net sales	$ 1,439	$ 1,372	$ 1,448	$ 1,363	$ 1,422	$ 1,338	$ 1,403	$ 1,338	$ 5,622	$ 5,501	$ 5,503
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value									$ 14.56	$ 13.83	$ 7.71
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term									5 years 4 months 24 days	5 years 4 months 24 days	5 years 4 months 24 days
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate									1.70%	1.60%	0.70%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate									24.90%	28.60%	31.20%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate									1.60%	1.80%	2.50%