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Commitments and Contingencies (Tables)
 9 Months Ended
Sep. 30, 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)
September 30, 2020

 
December 31, 2019

Reserves for Legal Matters
 
 
 
Duke Energy
$
60

 
$
62

Duke Energy Carolinas
2

 
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.
(in millions)
September 30, 2020
December 31, 2019
Reserves for Environmental Remediation
 
 
Duke Energy
$
66

$
58

Duke Energy Carolinas
16

11

Progress Energy
15

16

Duke Energy Progress
5

4

Duke Energy Florida
8

9

Duke Energy Ohio
22

19

Duke Energy Indiana
5

4

Piedmont
8

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
$
56

Duke Energy Carolinas
12

Duke Energy Ohio
38