Accounts Receivable, Net

12 Months Ended

Dec. 31, 2020

Receivables [Abstract]

Accounts Receivable, Net

4. ACCOUNTS RECEIVABLE, NET

Accounts receivable, net represent amounts billed and due from customers. Substantially all accounts receivable at December 31, 2020 are expected to be collected in 2021. The company does not believe it has significant exposure to credit risk as the majority of our accounts receivable are due from the U.S. government either as the ultimate customer or in connection with foreign military sales.

Accounts receivable, net consisted of the following:

	December 31
$ in millions	2020		2019
Due from U.S. government (1)	$	956	$	1,030
Due from international and other customers	578		329
Accounts receivable, gross	1,534		1,359
Allowance for expected credit losses	(33)		(33)
Accounts receivable, net	$	1,501	$	1,326

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