Unbilled Receivables, Net (Tables)

12 Months Ended

Dec. 31, 2021

Unbilled Receivables, Net [Abstract]

Unbilled receivables

Unbilled receivables, net consisted of the following:

	December 31
$ in millions	2021		2020
Due from U.S. government (1)
Unbilled receivables	$	22,140	$	19,315
Progress and performance-based payments received	(17,038)		(14,615)
Total due from U.S. government	5,102		4,700
Due from international and other customers
Unbilled receivables	2,913		3,361
Progress and performance-based payments received	(2,503)		(2,881)
Total due from international and other customers	410		480
Unbilled receivables, net of progress and performance-based payments received	5,512		5,180
Allowance for expected credit losses	(20)		(40)
Unbilled receivables, net	$	5,492	$	5,140

(1)Includes unbilled receivables due from the U.S. government associated with FMS sales. For FMS, we contract with and are paid by the U.S. government.