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Property, Plant and Equipment (Tables)
12 Months Ended
Dec. 31, 2024
Property, Plant and Equipment [Abstract]  
Schedule of Property, Plant and Equipment
The Company’s major classes of property, plant, and equipment were as follows:
December 31, 2024December 31, 2023Depreciable Lives
(In millions)
Facilities and equipment$13,302 $11,426 
3 - 40 Years
Land and improvements537 365 
Construction in progress (a) (b)
191 1,220 
Total property, plant and equipment14,030 13,011 
Accumulated depreciation(4,086)(3,485)
Net property, plant and equipment$9,944 $9,526 
(a) As of December 31, 2024 and 2023, construction in progress included $23 million and $21 million, respectively, of capital expenditures that relate to prepaid long-term service agreements for facilities in the Flexible Generation segment.
(b) As of December 31, 2024 and 2023, construction in progress included $9 million and $72 million, respectively, of accrued non-cash capital expenditures.