Inventories, net (Tables)

12 Months Ended

Dec. 31, 2015

Inventories

Inventories, net consisted of the following (in millions):

	2015			2014
Work-in-process, primarily related to long-term contracts and programs in progress	$	8,199		$	6,731
Less: customer advances and progress payments		(5,035	)		(4,701)
		3,164			2,030
Other inventories		1,798			774
Total inventories, net	$	4,962		$	2,804