v3.26.1
Commitments and Contingencies (Tables)
3 Months Ended
Mar. 31, 2026
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Reserves
The following table contains information regarding reserves for probable and estimable costs related to the various environmental sites. These reserves are recorded in Accounts Payable within Other Current Liabilities and Other within Other Noncurrent Liabilities on the Condensed Consolidated Balance Sheets.
(in millions)March 31, 2026December 31, 2025
Reserves for Environmental Remediation
Duke Energy$95 $72 
Duke Energy Carolinas36 36 
Progress Energy31 20 
Duke Energy Progress11 10 
Duke Energy Florida20 10 
Duke Energy Ohio23 12 
Duke Energy Indiana2 
Piedmont2