Property, Plant, and Equipment - Schedule of Planned Retirements of Generation Capacity (Details)	Dec. 31, 2024 MW
Retirement of Generation Facilities [Line Items]
Net Generation Capacity (MW)	7,486
Baldwin | East
Retirement of Generation Facilities [Line Items]
Net Generation Capacity (MW)	1,185
Coleto Creek | Texas
Retirement of Generation Facilities [Line Items]
Net Generation Capacity (MW)	650
Kincaid | East
Retirement of Generation Facilities [Line Items]
Net Generation Capacity (MW)	1,108
Miami Fort | East
Retirement of Generation Facilities [Line Items]
Net Generation Capacity (MW)	1,020
Newton | East
Retirement of Generation Facilities [Line Items]
Net Generation Capacity (MW)	615
Edwards | Asset Closure
Retirement of Generation Facilities [Line Items]
Net Generation Capacity (MW)	585
Joppa | Asset Closure
Retirement of Generation Facilities [Line Items]
Net Generation Capacity (MW)	802
Joppa | Asset Closure
Retirement of Generation Facilities [Line Items]
Net Generation Capacity (MW)	221
Zimmer | Asset Closure
Retirement of Generation Facilities [Line Items]
Net Generation Capacity (MW)	1,300