v3.26.3
Segment Information - Summarized Financial Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Segment Reporting [Line Items]        
Revenues $ 12,014,877 $ 7,631,408 $ 29,446,661 $ 20,637,749
Segment operating expense (excluding segment depreciation expense) 10,463,946 6,720,150 25,981,440 18,439,099
Segment depreciation expense 114,829 98,934 334,482 285,345
Segment operating expenses 10,578,775 6,819,084 26,315,922 18,724,444
Equity in earnings of integral unconsolidated affiliates 9,987 13,731 36,046 41,104
Segment operating income 1,446,089 826,055 3,166,785 1,954,409
Total consolidated operating income 1,026,547 517,217 2,060,160 1,126,580
Non-cash stock-based compensation     193,939 129,121
Corporate and Non-Allocated Costs        
Segment Reporting [Line Items]        
Corporate and non-allocated costs (419,542) (308,838) (1,106,625) (827,829)
Amortization 188,600 133,200 498,000 355,900
Non-cash stock-based compensation 67,900 46,900 193,900 129,100
Electric        
Segment Reporting [Line Items]        
Revenues 9,799,838 6,172,019 24,106,300 16,574,484
Segment operating expense (excluding segment depreciation expense) 8,481,235 5,409,552 21,184,939 14,743,565
Segment depreciation expense 90,453 72,359 259,963 207,400
Segment operating expenses 8,571,688 5,481,911 21,444,902 14,950,965
Equity in earnings of integral unconsolidated affiliates 9,987 13,731 36,046 41,104
Segment operating income $ 1,238,137 $ 703,839 $ 2,697,444 $ 1,664,623
Segment operating margin 12.60% 11.40% 11.20% 10.00%
Underground and Infrastructure        
Segment Reporting [Line Items]        
Revenues $ 2,215,039 $ 1,459,389 $ 5,340,361 $ 4,063,265
Segment operating expense (excluding segment depreciation expense) 1,982,711 1,310,598 4,796,501 3,695,534
Segment depreciation expense 24,376 26,575 74,519 77,945
Segment operating expenses 2,007,087 1,337,173 4,871,020 3,773,479
Equity in earnings of integral unconsolidated affiliates 0 0 0 0
Segment operating income $ 207,952 $ 122,216 $ 469,341 $ 289,786
Segment operating margin 9.40% 8.40% 8.80% 7.10%