Pending Merger (Details) employee in Thousands, $ in Billions		12 Months Ended
	Jun. 30, 2019	Dec. 31, 2018 USD ($)	Oct. 12, 2018 employee
L3 Technologies, Inc.
Business Acquisition [Line Items]
Entity number of employees | employee			31
Subsequent Event | L3 Technologies, Inc.
Business Acquisition [Line Items]
Revenue | $		$ 10
Subsequent Event | Scenario, Forecast | L3 Harris Technologies, Inc.
Business Acquisition [Line Items]
Fixed exchange conversion ratio per share	1.30
Subsequent Event | Scenario, Forecast | L3 Harris Technologies, Inc. | Former Harris Shareholders
Business Acquisition [Line Items]
Percentage of voting interests acquired	54.00%
Subsequent Event | Scenario, Forecast | L3 Harris Technologies, Inc. | Former L3 Shareholders
Business Acquisition [Line Items]
Percentage of voting interests acquired	46.00%