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Derivative Instruments and Hedging Activities - Additional Information (Details)	3 Months Ended
	Sep. 27, 2019 USD ($) contract	Sep. 28, 2018 USD ($)	Jun. 28, 2019 USD ($)	Jan. 31, 2019 USD ($)
Derivative [Line Items]
Pre-tax loss from cash flow hedges recognized in other comprehensive income	$ 38,000,000	$ (1,000,000)
Debt outstanding principal amount	6,826,000,000		$ 3,443,000,000
Accumulated other comprehensive loss	756,000,000		707,000,000
2.7% notes, due April 27, 2020 \| 10-year U.S. Treasury Rate
Derivative [Line Items]
Debt outstanding principal amount				$ 400,000,000
Debt interest rate				2.70%
4.95% notes, due February 15, 2021 \| 10-year U.S. Treasury Rate
Derivative [Line Items]
Debt outstanding principal amount				$ 650,000,000
Debt interest rate				4.95%
Fair Value Hedge \| Foreign currency forward contracts
Derivative [Line Items]
Derivative outstanding	0
Amount recognized in earnings from hedged related to commitment not qualifying as foreign currency fair value hedge	0	$ 0
Cash Flow Hedges \| Foreign currency forward contracts
Derivative [Line Items]
Derivative outstanding	401,000,000		0
Pre-tax loss from cash flow hedges recognized in other comprehensive income	4,000,000
Pre-tax loss reclassified into earnings as a result of discontinuance of cash flow hedge accounting	1,000,000
Estimated amount of existing losses to be reclassified into earnings within the next 12 months	3,000,000
Cash Flow Hedges \| Treasury locks
Derivative [Line Items]
Derivative outstanding	$ 1,050,000,000.00
Number of open derivative contracts \| contract	3
Fair value of derivative liability	$ 107,000,000
Accumulated other comprehensive loss	54,000,000		$ 20,000,000
Cash Flow Hedges \| Treasury locks \| L3Harris
Derivative [Line Items]
Derivative outstanding	$ 650,000,000
Number of open derivative contracts \| contract	2
Fair value of derivative liability	$ 35,000,000