XML 98 R36.htm IDEA: XBRL DOCUMENT v3.6.0.2
Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2016
Organization And Basis Of Presentation [Line Items]  
Schedule of Current and Noncurrent Assets and Liabilities
The following table provides a description of amounts included in Other within Current Assets or Current Liabilities that exceed 5 percent of total Current Assets or Current Liabilities on the Duke Energy Registrants' Consolidated Balance Sheets at either December 31, 2016 or 2015.
 
 
 
December 31,
(in millions)
Location
 
2016

 
2015

Duke Energy
 
 
 
 
 
Accrued compensation
Current Liabilities
 
$
765

 
$
619

Duke Energy Carolinas
 
 
 
 
 
Accrued compensation
Current Liabilities
 
$
248

 
$
213

Collateral liabilities
Current Liabilities
 
155

 
141

Progress Energy
 
 
 

 
 

Income taxes receivable
Current Assets
 
$
19

 
$
129

Customer deposits
Current Liabilities
 
363

 
373

Derivative liabilities
Current Liabilities
 
1

 
201

Duke Energy Progress
 
 
 

 
 

Income taxes receivable
Current Assets
 
$
16

 
$
111

Customer deposits
Current Liabilities
 
141

 
141

Accrued compensation
Current Liabilities
 
135

 
108

Derivative liabilities
Current Liabilities
 
—

 
76

Duke Energy Florida
 
 
 

 
 

Customer deposits
Current Liabilities
 
$
222

 
$
232

Derivative liabilities
Current Liabilities
 
1

 
125

Duke Energy Ohio
 
 
 

 
 

Income taxes receivable
Current Assets
 
$
16

 
$
59

Other receivable
Current Assets
 
—

 
33

Accrued litigation reserve
Current Liabilities
 
4

 
80

Collateral liabilities
Current Liabilities
 
62

 
48

Duke Energy Indiana
 
 
 

 
 
Collateral liabilities
Current Liabilities
 
$
44

 
$
44
Schedule of Net Income Amounts Attributable to Controlling Interests
The following table presents Net Income Attributable to Duke Energy Corporation for continuing operations and discontinued operations.
 
Year ended December 31,
(in millions)
2016
 
2015
 
2014
Income from Continuing Operations
$
2,578

 
$
2,654

 
$
2,538

Income from Continuing Operations Attributable to Noncontrolling Interests
7

 
9


5

Income from Continuing Operations Attributable to Duke Energy Corporation
$
2,571

 
$
2,645

 
$
2,533

(Loss) Income From Discontinued Operations, net of tax
$
(408
)
 
$
177

 
$
(649
)
Income from Discontinued Operations Attributable to Noncontrolling Interests, net of tax
11

 
6

 
1

(Loss) Income From Discontinued Operations Attributable to Duke Energy Corporation, net of tax
$
(419
)
 
$
171

 
$
(650
)
Net Income
$
2,170

 
$
2,831

 
$
1,889

Net Income Attributable to Noncontrolling Interests
18

 
15

 
6

Net Income Attributable to Duke Energy Corporation
$
2,152

 
$
2,816

 
$
1,883
Components Of Inventory
The components of inventory are presented in the tables below.
 
December 31, 2016
 
 
 
Duke

 
 
 
Duke

 
Duke

 
Duke

 
Duke

 
Duke

 
Energy

 
Progress

 
Energy

 
Energy

 
Energy

 
Energy

(in millions)
Energy

 
Carolinas

 
Energy

 
Progress

 
Florida

 
Ohio

 
Indiana

Materials and supplies
$
2,374

 
$
767

 
$
1,167

 
$
813

 
$
354

 
$
84

 
$
312

Coal
774

 
251

 
314

 
148

 
166

 
19

 
190

Natural gas, oil and other
374

 
37

 
236

 
115

 
121

 
34

 
2

Total inventory
$
3,522

 
$
1,055

 
$
1,717

 
$
1,076

 
$
641

 
$
137

 
$
504

 
December 31, 2015
 
 
 
Duke

 
 
 
Duke

 
Duke

 
Duke

 
Duke

 
Duke

 
Energy

 
Progress

 
Energy

 
Energy

 
Energy

 
Energy

(in millions)
Energy

 
Carolinas

 
Energy

 
Progress

 
Florida

 
Ohio

 
Indiana

Materials and supplies
$
2,343

 
$
785

 
$
1,133

 
$
776

 
$
357

 
$
81

 
$
301

Coal
1,105

 
451

 
370

 
192

 
178

 
16

 
267

Natural gas, oil and other
298

 
40

 
248

 
120

 
128

 
8

 
2

Total inventory
$
3,746

 
$
1,276

 
$
1,751

 
$
1,088

 
$
663

 
$
105

 
$
570
Schedule Of Property, Plant And Equipment
The composite weighted average depreciation rates, excluding nuclear fuel, are included in the table that follows.
 
Years Ended December 31,
 
2016

 
2015

 
2014

Duke Energy
2.8
%
 
2.9
%
 
2.8
%
Duke Energy Carolinas
2.8
%
 
2.8
%
 
2.7
%
Progress Energy
2.7
%
 
2.6
%
 
2.5
%
Duke Energy Progress
2.6
%
 
2.6
%
 
2.5
%
Duke Energy Florida
2.8
%
 
2.7
%
 
2.7
%
Duke Energy Ohio
2.6
%
 
2.7
%
 
2.3
%
Duke Energy Indiana
3.1
%
 
3.0
%
 
3.0
%
The following tables summarize the property, plant and equipment for Duke Energy and its subsidiary registrants.
 
December 31, 2016
 
Estimated
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Useful
 
 
 
Duke

 
 
 
Duke

 
Duke

 
Duke

 
Duke

 
Life
 
Duke

 
Energy

 
Progress

 
Energy

 
Energy

 
Energy

 
Energy

(in millions)
(Years)
 
Energy

 
Carolinas

 
Energy

 
Progress

 
Florida

 
Ohio

 
Indiana

Land
 
 
$
1,501

 
$
432

 
$
735

 
$
393

 
$
342

 
$
150

 
$
106

Plant – Regulated
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Electric generation, distribution and transmission
8 - 100
 
89,864

 
34,515

 
37,596

 
23,683

 
13,913

 
4,593

 
13,160

Natural gas transmission and distribution
12 - 67
 
7,738

 
—

 
—

 
—

 
—

 
2,456

 
—

Other buildings and improvements
15 - 100
 
1,692

 
502

 
634

 
293

 
341

 
211

 
197

Plant – Nonregulated
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Electric generation, distribution and transmission
5 - 30
 
4,298

 
—

 
—

 
—

 
—

 
—

 
—

Other buildings and improvements
25 - 35
 
421

 
—

 
—

 
—

 
—

 
—

 
—

Nuclear fuel
 
 
3,572

 
2,092

 
1,480

 
1,480

 
—

 
—

 
—

Equipment
3 - 38
 
1,941

 
358

 
505

 
378

 
127

 
338

 
156

Construction in process
 
 
6,186

 
2,324

 
2,708

 
1,329

 
1,379

 
206

 
396

Other
5 - 40
 
4,184

 
904

 
1,206

 
863

 
332

 
172

 
226

Total property, plant and equipment(a)(d)
 
 
121,397

 
41,127

 
44,864

 
28,419

 
16,434

 
8,126

 
14,241

Total accumulated depreciation – regulated(b)(c)(d)
 
 
(37,831
)
 
(14,365
)
 
(15,212
)
 
(10,561
)
 
(4,644
)
 
(2,579
)
 
(4,317
)
Total accumulated depreciation – nonregulated(c)(d)
 
 
(1,575
)
 
—

 
—

 
—

 
—

 
—

 
—

Generation facilities to be retired, net
 
 
529

 
—

 
529

 
529

 
—

 
—

 
—

Total net property, plant and equipment
 
 
$
82,520


$
26,762


$
30,181


$
18,387


$
11,790


$
5,547

 
$
9,924

(a)
Includes capitalized leases of $1,355 million, $40 million, $288 million, $142 million, $146 million, $81 million and $35 million at Duke Energy, Duke Energy Carolinas, Progress Energy, Duke Energy Progress, Duke Energy Florida, Duke Energy Ohio and Duke Energy Indiana, respectively, primarily within Plant – Regulated. The Progress Energy, Duke Energy Progress and Duke Energy Florida amounts are net of $99 million, $9 million and $90 million, respectively, of accumulated amortization of capitalized leases.
(b)
Includes $1,922 million, $1,192 million, $730 million and $730 million of accumulated amortization of nuclear fuel at Duke Energy, Duke Energy Carolinas, Progress Energy and Duke Energy Progress, respectively.
(c)
Includes accumulated amortization of capitalized leases of $50 million, $9 million, $19 million and $8 million at Duke Energy, Duke Energy Carolinas, Duke Energy Ohio and Duke Energy Indiana, respectively.
(d)
Includes gross property, plant and equipment cost of consolidated VIEs of $2,591 million and accumulated depreciation of consolidated VIEs of $411 million at Duke Energy.
 
December 31, 2015
 
Estimated
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Useful
 
 
 
Duke

 
 
 
Duke

 
Duke

 
Duke

 
Duke

 
Life
 
Duke

 
Energy

 
Progress

 
Energy

 
Energy

 
Energy

 
Energy

(in millions)
(Years)
 
Energy

 
Carolinas

 
Energy

 
Progress

 
Florida

 
Ohio

 
Indiana

Land
 
 
$
1,391

 
$
407

 
$
719

 
$
392

 
$
327

 
$
118

 
$
108

Plant – Regulated
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Electric generation, distribution and transmission
8 - 100
 
87,593

 
33,623

 
36,422

 
22,888

 
13,534

 
4,429

 
13,118

Natural gas transmission and distribution
12 - 67
 
2,322

 
—

 
—

 
—

 
—

 
2,322

 
—

Other buildings and improvements
15 - 100
 
1,480

 
477

 
621

 
294

 
322

 
204

 
179

Plant – Nonregulated
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Electric generation, distribution and transmission
1 - 30
 
3,348

 
—

 
—

 
—

 
—

 
—

 
—

Other buildings and improvements
25 - 35
 
410

 
—

 
—

 
—

 
—

 
—

 
—

Nuclear fuel
 
 
3,194

 
1,827

 
1,367

 
1,367

 
—

 
—

 
—

Equipment
3 - 38
 
1,736

 
368

 
530

 
398

 
132

 
344

 
173

Construction in process
 
 
4,485

 
1,860

 
1,827

 
1,118

 
709

 
180

 
214

Other
5 - 60
 
4,008

 
836

 
1,180

 
856

 
319

 
153

 
215

Total property, plant and equipment(a)(d)
 
 
109,967

 
39,398

 
42,666

 
27,313

 
15,343

 
7,750

 
14,007

Total accumulated depreciation – regulated(b)(c)(d)
 
 
(35,367
)
 
(13,521
)
 
(14,867
)
 
(10,141
)
 
(4,720
)
 
(2,507
)
 
(4,484
)
Total accumulated depreciation – nonregulated(c)(d)
 
 
(1,369
)
 
—

 
—

 
—

 
—

 
—

 
—

Generation facilities to be retired, net
 
 
548

 
—

 
548

 
548

 
—

 
—

 
—

Total net property, plant and equipment
 
 
$
73,779

 
$
25,877

 
$
28,347

 
$
17,720

 
$
10,623

 
$
5,243

 
$
9,523

(a)
Includes capitalized leases of $1,465 million, $40 million, $302 million, $144 million, $158 million, $96 million and $39 million at Duke Energy, Duke Energy Carolinas, Progress Energy, Duke Energy Progress, Duke Energy Florida, Duke Energy Ohio and Duke Energy Indiana, respectively, primarily in regulated plant. The Progress Energy, Duke Energy Progress and Duke Energy Florida amounts are net of $85 million, $7 million and $78 million, respectively, of accumulated amortization of capitalized leases.
(b)
Includes $1,621 million, $976 million, $645 million and $645 million of accumulated amortization of nuclear fuel at Duke Energy, Duke Energy Carolinas, Progress Energy and Duke Energy Progress, respectively.
(c)
Includes accumulated amortization of capitalized leases of $57 million, $11 million, $27 million and $7 million at Duke Energy, Duke Energy Carolinas, Duke Energy Ohio and Duke Energy Indiana, respectively.
(d)
Includes gross property, plant and equipment cost of consolidated VIEs of $2,033 million and accumulated depreciation of consolidated VIEs of $327 million at Duke Energy.
Schedule of Allowance for Doubtful Accounts
Allowances for doubtful accounts are presented in the following table.
 
December 31,
(in millions)
2016

 
2015

 
2014

Allowance for Doubtful Accounts
 
 
 
 
 
Duke Energy
$
14

 
$
12

 
$
14

Duke Energy Carolinas
2

 
3

 
3

Progress Energy
6

 
6

 
8

Duke Energy Progress
4

 
4

 
7

Duke Energy Florida
2

 
2

 
2

Duke Energy Ohio
2

 
2

 
2

Duke Energy Indiana
1

 
1

 
1

Allowance for Doubtful Accounts – VIEs  
 
 
 
 
 
Duke Energy
$
54

 
$
53

 
$
51

Duke Energy Carolinas
7

 
7

 
6

Progress Energy
7

 
8

 
8

Duke Energy Progress
5

 
5

 
5

Duke Energy Florida
2

 
3

 
3
Schedule of Excise Taxes
Excise taxes accounted for on a gross basis as both operating revenues and property and other taxes in the Consolidated Statements of Operations were as follows.
 
Years Ended December 31,
(in millions)
2016

 
2015

 
2014

Duke Energy
$
362

 
$
396

 
$
498

Duke Energy Carolinas
31

 
31

 
94

Progress Energy
213

 
229

 
263

Duke Energy Progress
18

 
16

 
56

Duke Energy Florida
195

 
213

 
207

Duke Energy Ohio
100

 
102

 
103

Duke Energy Indiana
17

 
34

 
38
Unbilled Revenues [Member]  
Organization And Basis Of Presentation [Line Items]  
Schedule Of Unbilled Revenues Within Receivables and Restricted Receivables
Unbilled revenues are included within Receivables and Restricted receivables of VIEs on the Consolidated Balance Sheets as shown in the following table.
 
December 31,
(in millions)
2016

 
2015

Duke Energy
$
831

 
$
677

Duke Energy Carolinas
313

 
283

Progress Energy
161

 
172

Duke Energy Progress
102

 
102

Duke Energy Florida
59

 
70

Duke Energy Ohio
2

 
3

Duke Energy Indiana
32

 
31


Additionally, Duke Energy Ohio and Duke Energy Indiana sell, on a revolving basis, nearly all of their retail accounts receivable, including receivables for unbilled revenues, to an affiliate, Cinergy Receivables Company LLC (CRC) and account for the transfers of receivables as sales. Accordingly, the receivables sold are not reflected on the Consolidated Balance Sheets of Duke Energy Ohio and Duke Energy Indiana. See Note 17 for further information. These receivables for unbilled revenues are shown in the table below.
 
December 31,
(in millions)
2016

 
2015

Duke Energy Ohio
$
97

 
$
71

Duke Energy Indiana
123

 
97