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Segment Information - Summarized Financial Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Segment Reporting Information [Line Items]        
Revenues $ 6,493,167 $ 5,620,822 $ 17,119,373 $ 15,098,258
Operating income (loss) $ 431,161 $ 400,329 $ 893,745 $ 805,462
Operating income (loss) margin (in percent) 6.60% 7.10% 5.20% 5.30%
Equity in earnings of integral unconsolidated affiliates $ 14,015 $ 11,707 $ 34,935 $ 30,697
Non-cash stock-based compensation     110,815 94,658
Depreciation 89,979 81,488 262,525 239,746
Integral Unconsolidated Affiliates | Related Party        
Segment Reporting Information [Line Items]        
Equity in earnings of integral unconsolidated affiliates $ 14,000 $ 11,700 $ 34,900 $ 30,700
Revenue from Contract with Customer, Segment Benchmark | Segment Concentration Risk        
Segment Reporting Information [Line Items]        
Concentration risk percentage (in percent) 100.00% 100.00% 100.00% 100.00%
Corporate and Non-Allocated Costs        
Segment Reporting Information [Line Items]        
Operating income (loss) $ (238,809) $ (171,000) $ (634,158) $ (539,956)
Operating income (loss) margin (in percent) (3.70%) (3.00%) (3.70%) (3.60%)
Amortization $ 110,400 $ 71,400 $ 267,100 $ 213,800
Non-cash stock-based compensation 38,200 32,500 110,800 94,600
Depreciation 5,826 3,508 17,308 17,150
Electric Power | Operating Segments        
Segment Reporting Information [Line Items]        
Revenues 2,982,032 2,489,547 7,761,480 7,240,838
Operating income (loss) $ 354,505 $ 296,176 $ 846,390 $ 755,342
Operating income (loss) margin (in percent) 11.90% 11.90% 10.90% 10.40%
Depreciation $ 42,120 $ 38,228 $ 122,775 $ 121,670
Electric Power | Operating Segments | Revenue from Contract with Customer, Segment Benchmark | Segment Concentration Risk        
Segment Reporting Information [Line Items]        
Concentration risk percentage (in percent) 45.90% 44.30% 45.30% 48.00%
Renewable Energy | Operating Segments        
Segment Reporting Information [Line Items]        
Revenues $ 2,251,855 $ 1,746,636 $ 5,870,411 $ 4,144,304
Operating income (loss) $ 221,509 $ 151,389 $ 459,076 $ 297,532
Operating income (loss) margin (in percent) 9.80% 8.70% 7.80% 7.20%
Depreciation $ 20,619 $ 15,812 $ 58,298 $ 37,351
Renewable Energy | Operating Segments | Revenue from Contract with Customer, Segment Benchmark | Segment Concentration Risk        
Segment Reporting Information [Line Items]        
Concentration risk percentage (in percent) 34.70% 31.10% 34.30% 27.40%
Underground and Infrastructure | Operating Segments        
Segment Reporting Information [Line Items]        
Revenues $ 1,259,280 $ 1,384,639 $ 3,487,482 $ 3,713,116
Operating income (loss) $ 93,956 $ 123,764 $ 222,437 $ 292,544
Operating income (loss) margin (in percent) 7.50% 8.90% 6.40% 7.90%
Depreciation $ 21,414 $ 23,940 $ 64,144 $ 63,575
Underground and Infrastructure | Operating Segments | Revenue from Contract with Customer, Segment Benchmark | Segment Concentration Risk        
Segment Reporting Information [Line Items]        
Concentration risk percentage (in percent) 19.40% 24.60% 20.40% 24.60%