v3.25.2
Business, Basis of Presentation and Significant Accounting Policies - Revenue Recognition (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Revenue [Line Items]          
Revenue recognition, changes In contract estimates, cost-to-cost method, financial effect, percentage (less than) 0.90% 0.40% 1.30% 0.20%  
Revenue recognition, remaining performance obligations, contract price allocated $ 11,400.0   $ 11,400.0    
Contract with customer, unapproved change orders and/or claims, amount 184.0   184.0   $ 139.0
Supplier finance program obligation $ 96.7   $ 96.7   $ 12.4
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01          
Revenue [Line Items]          
Revenue, remaining performance obligation, expected timing of satisfaction, period 1 year   1 year    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-07-01          
Revenue [Line Items]          
Revenue, remaining performance obligation, expected timing of satisfaction, period 6 months   6 months    
Revenue recognition, remaining performance obligations, contract price allocated $ 5,400.0   $ 5,400.0    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01          
Revenue [Line Items]          
Revenue, remaining performance obligation, expected timing of satisfaction, period 2 years   2 years    
Revenue recognition, remaining performance obligations, contract price allocated $ 6,000.0   $ 6,000.0    
Maximum          
Revenue [Line Items]          
Revenue recognition, changes In contract estimates, cost-to-cost method, financial effect, percentage (less than)     5.00% 5.00%  
Change order or claim approval process, term within which expected to be completed     1 year    
Revenue Benchmark | Performance Obligation Concentration Risk | Performance Obligation, Timing Of Recognition, Remainder Of Year          
Revenue [Line Items]          
Concentration risk, percentage of total     47.50%    
Master Service and Other Service Agreements | Revenue Benchmark | Concentration Risk from Type of Arrangement          
Revenue [Line Items]          
Concentration risk, percentage of total 45.00% 40.00% 46.00% 40.00%  
Master Service and Other Service Agreements | Revenue Benchmark | Concentration Risk from Type of Arrangement | Point in Time          
Revenue [Line Items]          
Concentration risk, percentage of total 1.00% 2.00% 2.00% 2.00%