Fair Value Measurements (Details) (Designated as Hedging Instrument, USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 30, 2014		Mar. 31, 2013
Summary of designated derivatives
Gain/ (Loss) recognized in Accumulated OCI	$ 10	[1]	$ 5	[1]
Gain/ (Loss) reclassified from Accumulated OCI into income	53	[1]	(18)	[1]
Gain/ (Loss) recognized in Other income/expense	(2)	[2]	(5)	[2]
Foreign exchange contracts | Sales to customers
Summary of designated derivatives
Gain/ (Loss) recognized in Accumulated OCI	(34)	[1],[3]	(37)	[1],[3]
Gain/ (Loss) reclassified from Accumulated OCI into income	(13)	[1],[3]	(3)	[1],[3]
Gain/ (Loss) recognized in Other income/expense	0	[2],[3]	0	[2],[3]
Foreign exchange contracts | Cost of products sold
Summary of designated derivatives
Gain/ (Loss) recognized in Accumulated OCI	17	[1],[3]	5	[1],[3]
Gain/ (Loss) reclassified from Accumulated OCI into income	75	[1],[3]	(17)	[1],[3]
Gain/ (Loss) recognized in Other income/expense	0	[2],[3]	(2)	[2],[3]
Foreign exchange contracts | Research and development expense
Summary of designated derivatives
Gain/ (Loss) recognized in Accumulated OCI	13	[1],[3]	10	[1],[3]
Gain/ (Loss) reclassified from Accumulated OCI into income	5	[1],[3]	(3)	[1],[3]
Gain/ (Loss) recognized in Other income/expense	(1)	[2],[3]	(3)	[2],[3]
Foreign exchange contracts | Other (income)/expense, net
Summary of designated derivatives
Gain/ (Loss) recognized in Accumulated OCI	2	[1],[3]	37	[1],[3]
Gain/ (Loss) reclassified from Accumulated OCI into income	(9)	[1],[3]	7	[1],[3]
Gain/ (Loss) recognized in Other income/expense	(1)	[2],[3]	0	[2],[3]
Cross currency interest rate swaps | Interest (income)/Interest expense, net
Summary of designated derivatives
Gain/ (Loss) recognized in Accumulated OCI	12	[1],[4]	(10)	[1],[4]
Gain/ (Loss) reclassified from Accumulated OCI into income	(5)	[1],[4]	(2)	[1],[4]
Gain/ (Loss) recognized in Other income/expense	$ 0	[2],[4]	$ 0	[2],[4]

[1] Effective portion

[2] Ineffective portion

[3] Forward foreign exchange contracts

[4] Cross currency interest rate swaps