Commitments and Contingencies (Table)

3 Months Ended

Mar. 31, 2020

Commitments and Contingencies Disclosure [Abstract]

Schedule of Reserves

The table below presents recorded reserves based on management’s best estimate of probable loss for legal matters, excluding asbestos-related reserves discussed above. Reserves are classified on the Condensed Consolidated Balance Sheets in Other within Other Noncurrent Liabilities and Other within Current Liabilities. The reasonably possible range of loss in excess of recorded reserves is not material, other than as described above.

(in millions)	March 31, 2020		December 31, 2019
Reserves for Legal Matters
Duke Energy	$	61	$	62
Duke Energy Carolinas	3		2
Progress Energy	52		55
Duke Energy Progress	9		12
Duke Energy Florida	23		22
Piedmont	1		1

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

	Three Months Ended March 31, 2020
				Duke						Duke		Duke		Duke			Duke
	Duke			Energy			Progress			Energy		Energy		Energy			Energy
(in millions)	Energy			Carolinas			Energy			Progress		Florida		Ohio			Indiana		Piedmont
Balance at beginning of period	$	58		$	11		$	16		$	4	$	9	$	19		$	4	$	8
Provisions/adjustments	3			—			—			1		—		1			1		—
Cash reductions	(3		)	(1		)	(1		)	—		—		(1		)	—		—
Balance at end of period	$	58		$	10		$	15		$	5	$	9	$	19		$	5	$	8

Schedule of Additional Possible Losses in Excess of Recorded Environmental Reserves

Additional losses in excess of recorded reserves that could be incurred for the stages of investigation, remediation and monitoring for environmental sites that have been evaluated at this time are not material except as presented in the table below.

(in millions)
Duke Energy	$	58
Duke Energy Carolinas	11
Duke Energy Ohio	41
Piedmont	2