Accounts Receivable (Tables)

12 Months Ended

Dec. 31, 2017

Accounts Receivable, Net [Abstract]

Schedule Of Accounts Receivable

Accounts receivable at December 31 consisted of the following:

	2017			2016
U.S. government contracts		$5,989			$4,639
Commercial Airplanes	1,542			1,375
Global Services(1)	1,472			1,257
Defense, Space & Security(1)	760			533
Reinsurance receivables	467			526
Other	348			567
Less valuation allowance	(62		)	(65		)
Total		$10,516			$8,832

⁽¹⁾  Excludes U.S. government contracts

Schedule Of Accounts Receivable Under Long-Term Contracts

The following table summarizes our accounts receivable under long-term contracts that were unbillable or related to outstanding claims as of December 31:

	Unbillable				Claims
	2017		2016		2017		2016
Current		$2,876		$1,919		$4		$38
Expected to be collected after one year	1,564		2,011			$55	91
Total		$4,440		$3,930		$59		$129