Fair Value Measurements - Schedule of Effect of Net Investment Hedges (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 29, 2019	Sep. 30, 2018	Sep. 29, 2019	Sep. 30, 2018	Dec. 30, 2018
Derivative Instruments, Gain (Loss) [Line Items]
Business Combination, Contingent Consideration, Liability	$ 1,596		$ 1,596		$ 335
Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), before Adjustments and Tax	162	$ (50)
Gain/(Loss) Recognized In Accumulated OCI			176	$ 106
Sale of Subsidiary Gain (Loss)
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred	0	0
Gain/(Loss) Reclassified From Accumulated OCI Into Income			0	0
Other Income Expense Net
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred	0	0
Gain/(Loss) Reclassified From Accumulated OCI Into Income			0	0
Cross Currency Interest Rate Contract
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), before Adjustments and Tax	$ 152	$ (75)
Gain/(Loss) Recognized In Accumulated OCI			$ 465	$ (37)