Inventoried Costs, Net (Tables)

12 Months Ended

Dec. 31, 2020

Inventory Disclosure [Abstract]

Inventoried Costs

Inventoried costs, net consisted of the following:

	December 31
$ in millions	2020		2019
Production costs of contracts in process	$	451	$	476
G&A expenses	41		31
	492		507
Progress and performance-based payments received	(62)		(41)
	430		466
Product inventory and raw material	329		317
Inventoried costs, net	$	759	$	783