Accounts Receivable, Net (Tables)

12 Months Ended

Dec. 31, 2021

Receivables [Abstract]

Accounts receivable

Accounts receivable, net consisted of the following:

	December 31
$ in millions	2021		2020
Due from U.S. government (1)	$	1,173	$	956
Due from international and other customers	328		578
Accounts receivable, gross	1,501		1,534
Allowance for expected credit losses	(34)		(33)
Accounts receivable, net	$	1,467	$	1,501

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