Accounts Receivable, Net

12 Months Ended

Dec. 31, 2019

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, 2019 are expected to be collected in 2020. 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 consisted of the following:

	December 31
$ in millions	2019			2018
Due from U.S. government (1)	$	1,030		$	1,164
Due from international and other customers	329			318
Accounts receivable, gross	1,359			1,482
Allowance for doubtful accounts	(33		)	(34		)
Accounts receivable, net	$	1,326		$	1,448

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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.