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Variable Interest Entities (Tables)
12 Months Ended
Dec. 31, 2018
Variable Interest Entity [Abstract]  
Schedule of Variable Interest Entities
The carrying amounts and classification of the consolidated VIEs’ assets and liabilities included in the Registrants' consolidated financial statements at December 31, 2018 and 2017 are as follows:
 
December 31, 2018
 
Exelon(a)
 
Generation
 
PHI(a)
 
ACE
Current assets
$
938

 
$
931

 
$
7

 
4

Noncurrent assets
9,071

 
9,045

 
26

 
19

Total assets
$
10,009


$
9,976


$
33


$
23

Current liabilities
$
274

 
$
252

 
$
22

 
19

Noncurrent liabilities
3,280

 
3,233

 
47

 
40

Total liabilities
$
3,554


$
3,485


$
69


$
59

 
December 31, 2017
 
Exelon(a)
 
Generation
 
PHI(a)
 
ACE
Current assets
$
662

 
$
652

 
$
10

 
$
6

Noncurrent assets
9,317

 
9,286

 
31

 
23

Total assets
$
9,979

 
$
9,938

 
$
41

 
$
29

Current liabilities
$
308

 
$
272

 
$
36

 
$
32

Noncurrent liabilities
3,316

 
3,250

 
66

 
58

Total liabilities
$
3,624

 
$
3,522

 
$
102

 
$
90

__________
(a)
Includes certain purchase accounting adjustments not pushed down to the ACE standalone entity.
The following tables present summary information about Exelon and Generation’s significant unconsolidated VIE entities:
December 31, 2018
Commercial
Agreement
VIEs
 
Equity
Investment
VIEs
 
Total
Total assets(a)
$
597

 
$
472

 
$
1,069

Total liabilities(a)
37

 
222

 
259

Exelon's ownership interest in VIE(a)

 
223

 
223

Other ownership interests in VIE(a)
560

 
27

 
587

Registrants’ maximum exposure to loss:
 
 
 
 


Carrying amount of equity method investments

 
223

 
223

Contract intangible asset
7

 

 
7

Net assets pledged for Zion Station decommissioning(b)

 

 

December 31, 2017
Commercial
Agreement
VIEs
 
Equity
Investment
VIEs
 
Total
Total assets(a)
$
625

 
$
509

 
$
1,134

Total liabilities(a)
37

 
228

 
265

Exelon's ownership interest in VIE(a)

 
251

 
251

Other ownership interests in VIE(a)
588

 
30

 
618

Registrants’ maximum exposure to loss:
 
 
 
 


Carrying amount of equity method investments

 
251

 
251

Contract intangible asset
8

 

 
8

Net assets pledged for Zion Station decommissioning(b)
2

 

 
2

__________
(a)
These items represent amounts on the unconsolidated VIE balance sheets, not in Exelon’s or Generation’s Consolidated Balance Sheets. These items are included to provide information regarding the relative size of the unconsolidated VIEs.
(b)
These items represent amounts in Exelon’s and Generation’s Consolidated Balance Sheets related to the asset sale agreement with ZionSolutions, LLC. The net assets pledged for Zion Station decommissioning includes gross pledged assets of $9 million and $39 million as of December 31, 2018 and December 31, 2017, respectively; offset by payables to ZionSolutions LLC of $9 million and $37 million as of December 31, 2018 and December 31, 2017, respectively. These items are included to provide information regarding the relative size of the ZionSolutions, LLC unconsolidated VIE.
As of December 31, 2018 and 2017, these assets and liabilities primarily consisted of the following:
 
December 31, 2018
 
Exelon(a)
 
Generation
 
PHI(a)
 
ACE
Cash and cash equivalents
$
414

 
$
414

 
$

 
$

Restricted cash and cash equivalents
66

 
62

 
4

 
4

Accounts receivable, net
 
 
 
 
 
 
 
Customer
146

 
146

 

 

Other
23

 
23

 

 

Inventory
 
 
 
 
 
 
 
Materials and supplies
212

 
212

 

 

Other current assets
52

 
49

 
3

 

Total current assets
913


906


7


4

 
 
 
 
 
 
 
 
Property, plant and equipment, net
6,145

 
6,145

 

 

Nuclear decommissioning trust funds
2,351

 
2,351

 

 

Other noncurrent assets
258

 
232

 
26

 
19

Total noncurrent assets
8,754


8,728


26


19

Total assets
$
9,667


$
9,634


$
33


$
23

 
 
 
 
 
 
 
 
Long-term debt due within one year
$
87

 
$
66

 
$
21

 
$
18

Accounts payable
96

 
96

 

 

Accrued expenses
72

 
72

 
1

 
1

Unamortized energy contract liabilities
15

 
15

 

 

Other current liabilities
3

 
3

 

 

Total current liabilities
273


252


22


19

 
 
 
 
 
 
 
 
Long-term debt
1,072

 
1,025

 
47

 
40

Asset retirement obligations
2,160

 
2,160

 

 

Unamortized energy contract liabilities
1

 
1

 

 

Other noncurrent liabilities
42

 
42

 

 

Total noncurrent liabilities
3,275


3,228


47


40

Total liabilities
$
3,548


$
3,480


$
69


$
59

__________
(a)
Includes certain purchase accounting adjustments not pushed down to the ACE standalone entity.
 
December 31, 2017
 
Exelon(a)
 
Generation
 
PHI(a)
 
ACE
Cash and cash equivalents
$
126

 
$
126

 
$

 
$

Restricted cash and cash equivalents
64

 
58

 
6

 
6

Accounts receivable, net
 
 
 
 
 
 
 
Customer
170

 
170

 

 

Other
25

 
25

 

 

Inventory
 
 
 
 
 
 
 
Materials and supplies
205

 
205

 

 

Other current assets
45

 
41

 
4

 

Total current assets
635

 
625

 
10

 
6

 
 
 
 
 
 
 
 
Property, plant and equipment, net
6,186

 
6,186

 

 

Nuclear decommissioning trust funds
2,502

 
2,502

 

 

Other noncurrent assets
274

 
243

 
31

 
23

Total noncurrent assets
8,962

 
8,931

 
31

 
23

Total assets
$
9,597

 
$
9,556

 
$
41

 
$
29

 
 
 
 
 
 
 
 
Long-term debt due within one year
$
102

 
$
67

 
$
35

 
$
31

Accounts payable
114

 
114

 

 

Accrued expenses
67

 
66

 
1

 
1

Unamortized energy contract liabilities
18

 
18

 

 

Other current liabilities
7

 
7

 

 

Total current liabilities
308

 
272

 
36

 
32

 
 
 
 
 
 
 
 
Long-term debt
1,154

 
1,088

 
66

 
58

Asset retirement obligations
2,035

 
2,035

 

 

Other noncurrent liabilities
121

 
121

 

 

Total noncurrent liabilities
3,310

 
3,244

 
66

 
58

Total liabilities
$
3,618

 
$
3,516

 
$
102

 
$
90

__________
(a)
Includes certain purchase accounting adjustments not pushed down to the ACE standalone entity.