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Fair Value Measurements - Summary of Derivative Activity (Details) - Designated as Hedging Instrument - USD ($) $ in Millions	3 Months Ended
	Apr. 02, 2017	Apr. 03, 2016
Summary of designated derivatives
Gain/ (Loss) recognized in Accumulated OCI	$ (224)	$ (191)
Gain/ (Loss) reclassified from Accumulated OCI into income	(179)	(122)
Gain/ (Loss) recognized in Other income/expense	(11)	(7)
Foreign exchange contracts | Sales to customers
Summary of designated derivatives
Gain/ (Loss) recognized in Accumulated OCI	(13)	0
Gain/ (Loss) reclassified from Accumulated OCI into income	(33)	(18)
Gain/ (Loss) recognized in Other income/expense	0	0
Foreign exchange contracts | Cost of products sold
Summary of designated derivatives
Gain/ (Loss) recognized in Accumulated OCI	(97)	(44)
Gain/ (Loss) reclassified from Accumulated OCI into income	(31)	(21)
Gain/ (Loss) recognized in Other income/expense	(17)	(4)
Foreign exchange contracts | Research and development expense
Summary of designated derivatives
Gain/ (Loss) recognized in Accumulated OCI	(109)	(107)
Gain/ (Loss) reclassified from Accumulated OCI into income	(102)	(95)
Gain/ (Loss) recognized in Other income/expense	5	0
Foreign exchange contracts | Other (income) expense, net
Summary of designated derivatives
Gain/ (Loss) recognized in Accumulated OCI	(33)	(52)
Gain/ (Loss) reclassified from Accumulated OCI into income	(35)	4
Gain/ (Loss) recognized in Other income/expense	1	(3)
Cross currency interest rate swaps | Interest (income)/Interest expense, net
Summary of designated derivatives
Gain/ (Loss) recognized in Accumulated OCI	28	12
Gain/ (Loss) reclassified from Accumulated OCI into income	22	8
Gain/ (Loss) recognized in Other income/expense	$ 0	$ 0

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- Definition

Derivative instruments gain loss on statement of financial performance.

+ References

No definition available.

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- Definition

The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4D
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624177-113959

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- Definition

The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959

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- Definition

Amount of gain (loss) from the ineffectiveness of the hedge.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (d)(1)
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 25
-Section 50
-Paragraph 1
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986

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