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Revenue from Contracts with Customers (Tables)
 3 Months Ended
Mar. 31, 2025
Revenue from Contract with Customer [Abstract]  
Schedule of Change in Estimate at Completion Adjustments
Net EAC adjustments had the following impacts for the periods presented:
Three Months Ended March 31,
(Dollars in millions, except per share amounts)
20252024
Revenue and operating earnings
$(9)$(9)
Total % of revenue1 %1 %
Net earnings$(7)$(7)
Impact on diluted earnings per share$(0.03)$(0.03)
Schedule of Contract Assets and Contract Liabilities Contract assets and contract liabilities as of the dates presented were:
(Dollars in millions)March 31, 2025December 31, 2024
Contract assets$982 $872 
Contract liabilities467 399 
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.
Three Months Ended March 31,
(Dollars in millions)20252024
Revenue by Geographical Region
United States$446 $337 
International62 90 
Intersegment Sales3 6 
Total $511 $433 
Revenue by Customer Relationship
Prime contractor$224 $163 
Subcontractor284 264 
Intersegment Sales3 6 
Total $511 $433 
Revenue by Contract Type
Firm-Fixed Price
$437 $350 
Flexibly Priced(1)
71 77 
Intersegment Sales3 6 
Total $511 $433 
________________
(1)Includes revenue derived from cost-plus and 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.
Three Months Ended March 31,
(Dollars in millions)20252024
Revenue by Geographical Region
United States$294 $257 
International(3)4 
Intersegment Sales— — 
Total $291 $261 
Revenue by Customer Relationship
Prime contractor$46 $65 
Subcontractor245 196 
Intersegment Sales— — 
Total $291 $261 
Revenue by Contract Type
Firm-Fixed Price
$254 $218 
Flexibly Priced(1)
37 43 
Intersegment Sales— — 
Total $291 $261 
________________
(1)Includes revenue derived from cost-plus and time-and-materials contracts.