Consolidation and Nature of Operations (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Cash and Cash Equivalents [Line Items]
Income taxes, net of refunds	$ 7,743	$ 25,019
Interest, net of amounts capitalized	189,041	177,323
Significant non-cash investing and financing activities:
Accrued capital expenditures	312,762	214,182
Dividends accrued but not yet paid	106,869	99,936
BCE Sale non-cash consideration (Note 18)	0	36,510
APS
Cash and Cash Equivalents [Line Items]
Income taxes, net of refunds	10,369	9,729
Interest, net of amounts capitalized	158,073	152,535
Significant non-cash investing and financing activities:
Accrued capital expenditures	312,762	214,182
Dividends accrued but not yet paid	$ 106,900	$ 100,000