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Revenue from Contracts with Customers (Tables)
 12 Months Ended
Dec. 31, 2024
Revenue from Contract with Customer [Abstract]  
Schedule of Change in Estimate at Completion Adjustments
Net EAC adjustments had the following impacts to revenue for the periods presented:
Year Ended December 31,
(Dollars in millions)202420232022
Revenue and operating earnings$(25)$(23)$(26)
Total % of revenue1 %1 %1 %
Net earnings(20)(18)(19)
Impact on diluted earnings per share$(0.07)$(0.07)$(0.09)
Schedule of Contract Assets and Contract Liabilities Contract assets and contract liabilities as of the dates presented were:
December 31,
(Dollars in millions)20242023
Contract assets$872 $908 
Contract liabilities399 335 
Schedule of Disaggregation of Revenue We disaggregate ASC revenue by geographical region, customer relationship and contract type. 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)202420232022
Revenue by Geographical Region
United States$1,685 $1,537 $1,543 
International412 269 169 
Intersegment Sales21 25 21 
Total
$2,118 $1,831 $1,733 
Revenue by Customer Relationship
Prime contractor$925 $858 $918 
Subcontractor1,172 948 794 
Intersegment Sales21 25 21 
Total
$2,118 $1,831 $1,733 
Revenue by Contract Type
Firm-Fixed Price
$1,762 $1,522 $1,494 
Flexibly Priced(1)
335 284 218 
Intersegment Sales21 25 21 
Total
$2,118 $1,831 $1,733 
________________
(1)Includes revenue derived from cost-type and time-and-materials contracts.
We disaggregate IMS revenue by geographical region, customer relationship and contract
type. 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)202420232022
Revenue by Geographical Region
United States$1,117 $1,006 $956 
International20 14 25 
Intersegment Sales1 1 2 
Total
$1,138 $1,021 $983 
Revenue by Customer Relationship
Prime contractor$259 $252 $186 
Subcontractor878 768 795 
Intersegment Sales1 1 2 
Total
$1,138 $1,021 $983 
Revenue by Contract Type
Firm-Fixed Price
$948 $851 $853 
Flexibly Priced(1)
189 169 128 
Intersegment Sales1 1 2 
Total
$1,138 $1,021 $983 
________________
(1)Includes revenue derived from cost-type and time-and-materials contracts.