v3.26.3
Investments in Affiliates and Other Entities - Narrative (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Aug. 31, 2026
Dec. 31, 2025
Schedule of Equity Method Investments [Line Items]            
Accounts receivable, net $ 10,144,064   $ 10,144,064     $ 6,847,091
Accounts payable and accrued expenses 7,189,693   7,189,693     4,579,458
Revenues 12,014,877 $ 7,631,408 29,446,661 $ 20,637,749    
Cost of services 10,006,595 6,414,974 24,785,872 17,579,704    
Equity in earnings of integral unconsolidated affiliates 9,987 13,731 36,046 41,104    
Carrying amount that exceed share of underlying net equity in net assets 162,900   162,900     168,000
Amortizable amount 40,800   40,800     62,300
Amortization of equity method investment, difference between carrying amount and underlying equity 2,400 3,000 5,100 5,500    
Equity method investment, impairment loss, cumulative amount 31,100   31,100     18,100
Senior Notes            
Schedule of Equity Method Investments [Line Items]            
Long-term debt 6,690,000   6,690,000      
4.85% Senior Notes due August 2029 | Senior Notes            
Schedule of Equity Method Investments [Line Items]            
Long-term debt 500,000   500,000   $ 500,000 0
Unconsolidated Affiliate Members | Related Party            
Schedule of Equity Method Investments [Line Items]            
Accounts receivable, net 158,500   158,500     165,000
Accounts payable and accrued expenses 36,300   36,300     $ 20,300
Revenues 19,200 36,900 72,500 133,800    
Cost of services 126,900 168,800 367,800 393,600    
Non-Integral Unconsolidated Affiliates            
Schedule of Equity Method Investments [Line Items]            
Equity in earnings (loss) of non-integral unconsolidated affiliates (1,420) (80) (10,097) (497)    
Integral Unconsolidated Affiliates | Related Party            
Schedule of Equity Method Investments [Line Items]            
Equity in earnings of integral unconsolidated affiliates 9,987 $ 13,731 36,046 $ 41,104    
Integral and Non-Integral Unconsolidated Affiliates            
Schedule of Equity Method Investments [Line Items]            
Undistributed earnings of unconsolidated affiliates $ 65,900   $ 65,900      
High-Voltage Dead-Tank Circuit Breakers Joint Venture            
Schedule of Equity Method Investments [Line Items]            
Equity interest (in percent) 49.00%   49.00%