Fair Value Measurements - Summary of Designated Derivatives (Details) - Cash Flow Hedging - Designated as Hedging Instrument - USD ($) $ in Millions	12 Months Ended
Jan. 01, 2017	Jan. 03, 2016
Summary of designated derivatives
Gain/(Loss) Recognized In Accumulated OCI(1)	$ (359)	$ (115)
Gain/(Loss) Reclassified From Accumulated OCI Into Income(1)	(110)	62
Gain/(Loss) Recognized In Other Income/Expense(2)	(14)	11
Foreign exchange contracts \| Sales to customers
Summary of designated derivatives
Gain/(Loss) Recognized In Accumulated OCI(1)	(65)	(83)
Gain/(Loss) Reclassified From Accumulated OCI Into Income(1)	(47)	(126)
Gain/(Loss) Recognized In Other Income/Expense(2)	(1)	(5)
Foreign exchange contracts \| Cost of products sold
Summary of designated derivatives
Gain/(Loss) Recognized In Accumulated OCI(1)	(212)	(22)
Gain/(Loss) Reclassified From Accumulated OCI Into Income(1)	(3)	122
Gain/(Loss) Recognized In Other Income/Expense(2)	(15)	14
Foreign exchange contracts \| Research and development expense
Summary of designated derivatives
Gain/(Loss) Recognized In Accumulated OCI(1)	(76)	(3)
Gain/(Loss) Reclassified From Accumulated OCI Into Income(1)	(90)	6
Gain/(Loss) Recognized In Other Income/Expense(2)	0	1
Foreign exchange contracts \| Other Income Expense Net
Summary of designated derivatives
Gain/(Loss) Recognized In Accumulated OCI(1)	(72)	33
Gain/(Loss) Reclassified From Accumulated OCI Into Income(1)	(7)	60
Gain/(Loss) Recognized In Other Income/Expense(2)	2	1
Cross currency interest rate swaps \| Interest (income)/Interest expense, net
Summary of designated derivatives
Gain/(Loss) Recognized In Accumulated OCI(1)	66	(40)
Gain/(Loss) Reclassified From Accumulated OCI Into Income(1)	37	0
Gain/(Loss) Recognized In Other Income/Expense(2)	$ 0	$ 0

Derivative instruments gain loss on statement of financial performance.

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

+ Details

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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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