Other Financial Data (Other Charges) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 28, 2013	Jun. 29, 2013	Mar. 30, 2013	Dec. 31, 2012	Sep. 29, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Other charges (income):
Intangibles amortization									$ 26	$ 29	$ 200
Reorganization of businesses									107	41	52
Legal and related insurance matters, net									0	(16)	88
Other									0	0	1
Other charges:	$ 58	$ 32	$ 25	$ 17	$ 6	$ 16	$ 17	$ 15	$ 133	$ 54	$ 341