Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2023

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 Other within Other Noncurrent Liabilities on the Condensed Consolidated Balance Sheets.

(in millions)	March 31, 2023		December 31, 2022
Reserves for Environmental Remediation
Duke Energy	$	86	$	84
Duke Energy Carolinas	23		22
Progress Energy	20		19
Duke Energy Progress	9		8
Duke Energy Florida	11		11
Duke Energy Ohio	33		33
Duke Energy Indiana	3		3
Piedmont	7		7