Restructuring and Other Exit Costs - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 27, 2019	Jun. 28, 2019
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 111
Restructuring liabilities	87	$ 16
L3Harris
Restructuring Cost and Reserve [Line Items]
Restructuring charges	111
Employee severance-related costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	111
Restructuring liabilities	74	0
Employee severance-related costs | L3Harris
Restructuring Cost and Reserve [Line Items]
Restructuring charges	111
Facilities consolidation and other exit costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0
Restructuring liabilities	$ 13	$ 16
Remaining lease term (less than)	4 years