Fair Value Measurements And Financial Instruments Fair Value Measurements, Fair Value Inputs, Liabilities, Quantitative Information (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jan. 03, 2015	Dec. 28, 2013	Dec. 29, 2012
Contingent Consideration Liability [Member]
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Fair value of acquisition contingent consideration	50	$ 195
Contingent Consideration Liability [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Fair value of acquisition contingent consideration	50	195	0
Nanostim [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Fair Value Inputs, Discount Rate	5.00%
Probability of Payment	95.00%
Nanostim [Member] | Contingent Consideration Liability [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Fair value of acquisition contingent consideration	50	$ 56	$ 0