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Revenue from Contracts with Customers (Tables)
9 Months Ended
Sep. 30, 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 September 30,Nine Months Ended September 30,
(Dollars in millions, except per share amounts)
2025202420252024
Revenue and operating earnings
$$(10)$(4)$(29)
Total % of revenue1%1%%1%
Net earnings$$(8)$(3)$(23)
Impact on diluted earnings per share$0.01 $(0.03)$(0.01)$(0.09)
Schedule of Contract Assets and Contract Liabilities Contract assets and contract liabilities as of the dates presented were:
(Dollars in millions)September 30, 2025December 31, 2024
Contract assets$1,054 $872 
Contract liabilities440 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 September 30,Nine Months Ended September 30,
(Dollars in millions)2025202420252024
Revenue by Geographical Region
United States$500 $426 $1,411 $1,159 
International77 101 213 282 
Intersegment Sales17 
Total $580 $533 $1,633 $1,458 
Revenue by Customer Relationship
Prime contractor$298 $200 $760 $616 
Subcontractor279 327 864 825 
Intersegment Sales17 
Total $580 $533 $1,633 $1,458 
Revenue by Contract Type
Firm-Fixed Price
$509 $446 $1,414 $1,198 
Flexibly Priced(1)
68 81 210 243 
Intersegment Sales17 
Total $580 $533 $1,633 $1,458 
________________
(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 September 30,Nine Months Ended September 30,
(Dollars in millions)2025202420252024
Revenue by Geographical Region
United States$366 $277 $956 $796 
International17 16 
Intersegment Sales— — — — 
Total $383 $285 $964 $812 
Revenue by Customer Relationship
Prime contractor$136 $58 $236 $182 
Subcontractor247 227 728 630 
Intersegment Sales— — — — 
Total $383 $285 $964 $812 
Revenue by Contract Type
Firm-Fixed Price
$359 $238 $855 $670 
Flexibly Priced(1)
24 47 109 142 
Intersegment Sales— — — — 
Total $383 $285 $964 $812 
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(1)Includes revenue derived from cost-plus and time-and-materials contracts.