v3.26.1
Inventory (Tables)
3 Months Ended
Mar. 31, 2026
Inventory Disclosure [Abstract]  
Schedule of Inventory
March 31,
2026
December 31,
2025
Coal$73 $94 
Oil products41 57 
Fuel inventory for electric generation114 151 
Materials and supplies, net128 124 
Environmental products
Inventory, net$244 $278