Summary of Financial Information for Each Business Segment (Parenthetical) (Detail) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Segment Reporting Information [Line Items]
Net deferred tax (benefit)		$ (231)	$ (473)	$ (351)
Non-recoverable transaction costs			38
Total depreciation and amortization	[1]	1,167	945	927
Capital expenditures		1,063	939	845
Lockheed Martin Commercial Flight Training
Segment Reporting Information [Line Items]
Asset impairment charges			90
Net deferred tax (benefit)			(80)
Reduction in net earnings			10
Information Systems & Global Solutions
Segment Reporting Information [Line Items]
Total depreciation and amortization		48	81	67
Capital expenditures		$ 9	$ 31	$ 18

[1] Total depreciation and amortization in the table above excludes $48 million, $81 million and $67 million for the years ended December 31, 2016, 2015 and 2014 related to the former IS&GS business segment. These amounts are included in depreciation and amortization in our consolidated statements of cash flows as we did not reclassify our cash flows to exclude the IS&GS business segment. See "Note 3 - Acquisitions and Divestitures" for more information.