Revenue from Contracts with Customers (Tables)

12 Months Ended

Dec. 31, 2021

Revenue from Contract with Customer [Abstract]

Schedule of Change in Estimate at Completion Adjustments

EAC adjustments had the following impacts to revenue for the periods presented:

	Year Ended December 31,
(Dollars in millions)	2021			2020			2019
Revenue	$	(34)		$	(77)		$	(55)
Total % of Revenue	1		%	3		%	2		%

Schedule of Contract Assets and Contract Liabilities

	Year Ended December 31,
(Dollars in millions)	2021		2020
Contract assets	$	743	$	672
Contract liabilities	174		177
Net contract assets	$	569	$	495

Schedule of Remaining Performance Obligations, Expected Timing of Satisfaction

The following table summarizes the value of our backlog at December 31, 2021 and 2020:

Backlog:	Year Ended December 31,
(Dollars in millions)	2021		2020
Funded	$	2,510	$	2,847
Unfunded	351		444
Total Backlog	$	2,861	$	3,291

Schedule of Disaggregation of Revenue

We believe these categories best depict how the nature, amount, timing and uncertainty of ASC revenue and cash flows are affected by economic factors:

	Year Ended December 31,
(Dollars in millions)	2021		2020		2019
Revenue by Geographical Region
United States	$	1,808	$	1,763	$	1,699
International	113		182		99
Intersegment Sales	19		13		12
Total	$	1,940	$	1,958	$	1,810
Revenue by Customer Relationship
Prime contractor	$	1,209	$	1,063	$	1,027
Subcontractor	712		882		771
Intersegment Sales	19		13		12
Total	$	1,940	$	1,958	$	1,810
Revenue by Contract Type
Firm Fixed Price	$	1,667	$	1,716	$	1,570
Flexibly Priced(1)	254		229		228
Intersegment Sales	19		13		12
Total	$	1,940	$	1,958	$	1,810

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(1)Includes revenue derived from time-and-materials contracts.

We believe these categories best depict how the nature, amount, timing and uncertainty of IMS revenue and cash flows are affected by economic factors:

	Year Ended December 31,
(Dollars in millions)	2021		2020		2019
Revenue by Geographical Region
United States	$	913	$	792	$	895
International	45		41		21
Intersegment Sales	1		1		1
Total	$	959	$	834	$	917
Revenue by Customer Relationship
Prime contractor	$	174	$	283	$	442
Subcontractor	784		550		474
Intersegment Sales	1		1		1
Total	$	959	$	834	$	917
Revenue by Contract Type
Firm Fixed Price	$	831	$	692	$	763
Flexibly Priced(1)	127		141		153
Intersegment Sales	1		1		1
Total	$	959	$	834	$	917

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(1)Includes revenue derived from time-and-materials contracts.