v3.25.2
Property, Plant, and Equipment (Tables)
 6 Months Ended
Jun. 30, 2025
Property, Plant and Equipment [Abstract]  
Schedule of Components of Depreciation, Amortization and Accretion Expense
June 30, 2025December 31, 2024
Estimated Useful Life (years)Gross ValueAccumulated DepreciationCarrying ValueGross ValueAccumulated DepreciationCarrying Value
Electric generation
3-27
$3,091 $(385)$2,706 $3,030 $(292)$2,738 
Nuclear fuel
1-6
403 (166)237 322 (152)170 
Other property and equipment
1-26
61 (8)53 90 (18)72 
Capitalized software
1-5
8 (4)4 8 (3)5 
Construction work in progress89 — 89 169 — 169 
Property, plant and equipment, net$3,652 $(563)$3,089 $3,619 $(465)$3,154 

The components of “Depreciation, amortization and accretion” presented on the Consolidated Statements of Operations for the periods were: 
 Three Months Ended June 30,Six Months Ended June 30,
2025202420252024
Depreciation expense (a)
$52 $56 $107 $116 
Amortization expense (b)
3 4 8 6 
Accretion expense (c)
15 15 29 28 
Depreciation, amortization and accretion$70 $75 $144 $150 
__________________
(a)Electric generation and other property and equipment.
(b)Intangible assets and capitalized software.
(c)ARO and accrued environmental cost accretion. See Note 8 for additional information.