Severance and Restructuring Related Costs (Details) $ in Millions		3 Months Ended		9 Months Ended		12 Months Ended
		Sep. 29, 2017 USD ($) Employees	Sep. 23, 2016 USD ($)	Sep. 29, 2017 USD ($) Employees	Sep. 23, 2016 USD ($)	Dec. 31, 2016 USD ($) Employees
Restructuring Cost and Reserve [Line Items]
Number of employees of restructuring costs | Employees		1,100		1,100		700
Remaining balance of employee severance and restructuring costs		$ 30		$ 30		$ 9
Severance and restructuring costs		31	$ 4	54	$ 9	$ 17
Curtailment loss		(2)
Electronic Systems [Member]
Restructuring Cost and Reserve [Line Items]
Severance and restructuring costs		4	2	9	4
Aerospace Systems [Member]
Restructuring Cost and Reserve [Line Items]
Severance and restructuring costs	[1]	15	1	16	1
Communication Systems [Member]
Restructuring Cost and Reserve [Line Items]
Severance and restructuring costs		15	1	33	3
Sensor Systems [Member]
Restructuring Cost and Reserve [Line Items]
Severance and restructuring costs		0	1	2	3
Consolidated [Member]
Restructuring Cost and Reserve [Line Items]
Severance and restructuring costs		$ 34	$ 5	$ 60	$ 11

[1] The severance and restructuring related costs incurred during the quarterly period ended September 29, 2017 includes $2 million of curtailment losses. See Note 19 for additional information.