Fair Value Measurements - Schedule of Effect of Net Investment Hedges (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jul. 01, 2018	Jul. 02, 2017	Jul. 01, 2018	Jul. 02, 2017
Derivative Instruments, Gain (Loss) [Line Items]
Gain/(Loss) Recognized In Accumulated OCI	$ 306	$ (268)	$ 156	$ (378)
Sale of Subsidiary Gain (Loss) [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain/(Loss) Reclassified From Accumulated OCI Into Income	0	0	0	0
Other Income Expense Net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain/(Loss) Reclassified From Accumulated OCI Into Income	0	0	0	0
Cross Currency Interest Rate Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain/(Loss) Recognized In Accumulated OCI	$ 37	$ 0	$ 37	$ 0

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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=84234895&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=84234895&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

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