v3.7.0.1
Commitments and Contingencies (Table)
 3 Months Ended
Mar. 31, 2017
Valuation and Qualifying Accounts Disclosure [Line Items]  
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
$
71

Duke Energy Carolinas
22

Duke Energy Ohio
36

Duke Energy Indiana
7

Piedmont
2
Reserve for Environmental Costs [Member]  
Valuation and Qualifying Accounts Disclosure [Line Items]  
Schedule of Legal Reserves
The following tables contain 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.
 
Three Months Ended March 31, 2017
 
 
 
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
$
98

 
$
10

 
$
18

 
$
3

 
$
14

 
$
59

 
$
10

 
$
1

Provisions/adjustments
6

 
1

 
—

 
—

 
1

 
4

 
(1
)
 
1

Cash reductions
(6
)
 
—

 
(1
)
 
—

 
(1
)
 
(4
)
 
—

 
—

Balance at end of period
$
98

 
$
11

 
$
17

 
$
3

 
$
14

 
$
59

 
$
9

 
$
2

 
Three Months Ended March 31, 2016
 
 
 
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
$
94

 
$
10

 
$
17

 
$
3

 
$
14

 
$
54

 
$
12

 
$
1

Provisions/adjustments
10

 
2

 
1

 
—

 
1

 
—

 
6

 
—

Cash reductions
(3
)
 
(1
)
 
(2
)
 
(1
)
 
(1
)
 
—

 
—

 
—

Balance at end of period
$
101

 
$
11

 
$
16

 
$
2

 
$
14

 
$
54

 
$
18

 
$
1
Legal Reserve [Member]  
Valuation and Qualifying Accounts Disclosure [Line Items]  
Schedule of Legal Reserves
The table below presents recorded reserves based on management’s best estimate of probable loss for legal matters, excluding asbestos-related reserves and the exit obligation discussed above related to the termination of an EPC contract. Reserves are classified on the Condensed Consolidated Balance Sheets in Other within Other Noncurrent Liabilities and Accounts payable 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, 2017

 
December 31, 2016

Reserves for Legal Matters
 
 
 
Duke Energy
$
91

 
$
98

Duke Energy Carolinas
23

 
23

Progress Energy
57

 
59

Duke Energy Progress
13

 
14

Duke Energy Florida
27

 
28

Duke Energy Ohio
4

 
4

Piedmont
2

 
2