Other Expense, Net Other Expense, Net (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended		3 Months Ended	9 Months Ended		9 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 28, 2013	May 02, 2013	Mar. 30, 2013 CardioMEMS, Inc. [Member]	Sep. 28, 2013 Senior Notes [Member] Three point seven five percent Senior Notes Due Two Thousand Fourteen [Member]	Apr. 02, 2013 Senior Notes [Member] Three point seven five percent Senior Notes Due Two Thousand Fourteen [Member]	Sep. 28, 2013 Senior Notes [Member] Four point eight seven five percent Senior Notes Due Two Thousand Nineteen [Member]	Apr. 02, 2013 Senior Notes [Member] Four point eight seven five percent Senior Notes Due Two Thousand Nineteen [Member]
Debt Instrument, Face Amount							$ 700		$ 500
Debt instrument term, years						5 years		10 years
Debt instrument, stated percentage rate							3.75%		4.875%
Make-whole redemption charge				161
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Loss					29
Realized Gain (Loss) on Marketable Securities, Cost Method Investments, and Other Investments	$ 3	$ 4	$ 9