Other Current Liabilities and Other Liabilities (Details) - USD ($) $ in Millions		Jun. 30, 2017	Dec. 31, 2016
Other Current Liabilities [Abstract]
Accrued product warranty costs		$ 76	$ 68
Estimated costs in excess of estimated contract value to complete contracts in process in a loss position		62	70
Accruals for pending and threatened litigation (see Note 18)	[1]	45	51
Deferred revenues		45	34
Accrued interest		42	43
Product returns allowance	[2]	5	5
Other		151	160
Total other current liabilities		426	431
Accruals for pending and threatened litigation	[1]	45	51
Other Liabilities [Abstract]
Non-current income taxes payable (see Note 11)		124	124
Deferred compensation		49	47
Estimated contingent purchase price payable for acquired businesses (see Note 5)		41	29
Accrued product warranty costs		30	41
Accrued workers' compensation		26	30
Notes payable and capital lease obligations		15	13
Other		90	84
Total other liabilities		375	368
Electronic Systems [Member] | EoTech HWS [Member]
Other Current Liabilities [Abstract]
Accruals for pending and threatened litigation (see Note 18)		10	14
Accruals for pending and threatened litigation		$ 10	$ 14

[1] The first half period ended June 30, 2017 and the year ended December 31, 2016 included $10 million and $14 million, respectively, in connection with the EoTech matter.

[2] On March 23, 2017, the Company ended the voluntary return program for various EoTech holographic weapons sight products in connection with the settlement of the class action lawsuit. On July 7, 2017, the court granted final approval of the settlement (See Note 18).