Contracts with Customers Contracts with Customers (Tables)

12 Months Ended

Dec. 31, 2020

Contracts with Customers [Abstract]

Contract with Customer, Asset and Claims

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

	Unbilled		Claims
	2020	2019	2020	2019
Current	$5,628	$6,931		$9
Expected to be collected after one year	2,496	2,112	18	14
Less valuation allowance(1)	(129)
Total	$7,995	$9,043	$18	$23