v3.26.1
Inventory (Tables)
6 Months Ended
Jun. 30, 2026
Inventory Disclosure [Abstract]  
Schedule of Inventory
June 30,
2026
December 31,
2025
Coal$78 $94 
Oil products56 57 
Fuel inventory for electric generation134 151 
Materials and supplies, net162 124 
Environmental products
Inventory, net$298 $278