Business Combination - Additional Information (Details) - L3Harris $ / shares in Units, shares in Thousands, employee in Thousands, $ in Millions		3 Months Ended
	Jun. 29, 2019 USD ($) employee $ / shares shares	Apr. 03, 2020 USD ($)	Jun. 28, 2019 $ / shares
Business Acquisition [Line Items]
Exchange ratio	1.30
Shares issued for total merger consideration (in shares) | shares	104,100
Price per share of common stock (in dollars per share) | $ / shares	$ 189.13		$ 189.13
Off-market contracts recorded as net liability	$ 103
Amortization of off-market contract liabilities recognized as revenue during current period		$ 23
Amortization of off-market contract liabilities to be recognized as revenue in the reminder of fiscal 2020		28
Amortization of off-market contract liabilities to be recognized as revenue in fiscal 2021		12
Amortization of off-market contract liabilities to be recognized as revenue in fiscal 2022		9
Amortization of off-market contract liabilities to be recognized as revenue in fiscal 2023		7
Amortization of off-market contract liabilities to be recognized as revenue in fiscal 2024		5
Merger-related charges		46
Additional cost of sales related to fair value step-up in inventory sold		15
Acquisition integration costs		$ 31
L3
Business Acquisition [Line Items]
Number of employees | employee	31
Shares issued for total merger consideration (in shares) | shares	80,080
Former harris shareholders
Business Acquisition [Line Items]
Percentage of voting interests acquired	54.00%
Former L3 shareholders
Business Acquisition [Line Items]
Percentage of voting interests acquired	46.00%