v3.4.0.3
Assets and Liabilities with Recurring Fair Value Measurements (Tables)
3 Months Ended
Mar. 31, 2016
Fair Value, Assets, Liabilities and Stockholders' Equity Measured on Recurring Basis [Abstract]  
Fair Value, Measurement Inputs, Disclosure
The following tables present our financial assets and liabilities that were accounted for at fair value on a recurring basis as of March 31, 2016 and December 31, 2015, by level within the fair value hierarchy:
 
Assets and Liabilities with Recurring Fair Value Measures as of March 31, 2016
 
Level 1    
 
Level 2    
 
Level 3    
 
Total    
 
(in millions)
Assets:
 
 
 
 
 
 
 
Cash equivalents(1)
$
376

 
$

 
$

 
$
376

Margin deposits
94

 

 

 
94

Commodity instruments:
 
 
 
 
 
 
 
Commodity exchange traded futures and swaps contracts
1,967

 

 

 
1,967

Commodity forward contracts(2)

 
250

 
55

 
305

Interest rate swaps

 
1

 

 
1

Total assets
$
2,437

 
$
251

 
$
55

 
$
2,743

Liabilities:
 
 
 
 
 
 
 
Margin deposits posted with us by our counterparties
$
22

 
$

 
$

 
$
22

Commodity instruments:
 
 
 
 
 
 
 
Commodity exchange traded futures and swaps contracts
1,874

 

 

 
1,874

Commodity forward contracts(2)

 
468

 
120

 
588

Interest rate swaps

 
98

 

 
98

Total liabilities
$
1,896

 
$
566

 
$
120

 
$
2,582

 
Assets and Liabilities with Recurring Fair Value Measures as of December 31, 2015
 
Level 1    
 
Level 2    
 
Level 3    
 
Total    
 
(in millions)
Assets:
 
 
 
 
 
 
 
Cash equivalents(1)
$
1,083

 
$

 
$

 
$
1,083

Margin deposits
89

 

 

 
89

Commodity instruments:
 
 
 
 
 
 
 
Commodity exchange traded futures and swaps contracts
1,736

 

 

 
1,736

Commodity forward contracts(2)

 
220

 
54

 
274

Interest rate swaps

 
1

 

 
1

Total assets
$
2,908

 
$
221

 
$
54

 
$
3,183

Liabilities:
 
 
 
 
 
 
 
Margin deposits posted with us by our counterparties
$
35

 
$

 
$

 
$
35

Commodity instruments:
 
 
 
 
 
 
 
Commodity exchange traded futures and swaps contracts
1,604

 

 

 
1,604

Commodity forward contracts(2)

 
413

 
100

 
513

Interest rate swaps

 
90

 

 
90

Total liabilities
$
1,639

 
$
503

 
$
100

 
$
2,242

___________
(1)
As of March 31, 2016 and December 31, 2015, we had cash equivalents of $216 million and $880 million included in cash and cash equivalents and $160 million and $203 million included in restricted cash, respectively.
(2)
Includes OTC swaps and options.
Fair Value Inputs, Assets, Quantitative Information
The following table presents quantitative information for the unobservable inputs used in our most significant level 3 fair value measurements at March 31, 2016 and December 31, 2015:
 
 
Quantitative Information about Level 3 Fair Value Measurements
 
 
March 31, 2016
 
 
Fair Value, Net Asset
 
 
 
Significant Unobservable
 
 
 
 
(Liability)
 
Valuation Technique
 
Input
 
Range
 
 
(in millions)
 
 
 
 
 
 
Power Contracts
 
$
(77
)
 
Discounted cash flow
 
Market price (per MWh)
 
$4.95 — $100.54/MWh
Power Congestion Products
 
$
12

 
Discounted cash flow
 
Market price (per MWh)
 
$(11.33) — $10.38/MWh
 
 
 
 
 
 
 
 
 
 
 
December 31, 2015
 
 
Fair Value, Net Asset
 
 
 
Significant Unobservable
 
 
 
 
(Liability)
 
Valuation Technique
 
Input
 
Range
 
 
(in millions)
 
 
 
 
 
 
Power Contracts
 
$
(54
)
 
Discounted cash flow
 
Market price (per MWh)
 
$6.72 — $83.25/MWh
Power Congestion Products
 
$
8

 
Discounted cash flow
 
Market price (per MWh)
 
$(11.47) — $12.19/MWh
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
The following table sets forth a reconciliation of changes in the fair value of our net derivative assets (liabilities) classified as level 3 in the fair value hierarchy for the periods indicated (in millions):
 
 
Three Months Ended March 31,
 
 
2016
 
2015
Balance, beginning of period
 
$
(46
)
 
$
85

Realized and mark-to-market gains (losses):
 
 
 
 
Included in net loss:
 
 
 
 
Included in operating revenues(1)
 
(22
)
 
131

Included in fuel and purchased energy expense(2)
 
(14
)
 
3

Purchases and settlements:
 
 
 
 
Purchases
 
2

 
2

Settlements
 
(4
)
 
(10
)
Transfers in and/or out of level 3(3):
 
 
 
 
Transfers into level 3(4)
 

 
(1
)
Transfers out of level 3(5)
 
19

 
(7
)
Balance, end of period
 
$
(65
)
 
$
203

Change in unrealized gains (losses) relating to instruments still held at end of period
 
$
(36
)
 
$
134

___________
(1)
For power contracts and other power-related products, included on our Consolidated Condensed Statements of Operations.
(2)
For natural gas contracts, swaps and options, included on our Consolidated Condensed Statements of Operations.
(3)
We transfer amounts among levels of the fair value hierarchy as of the end of each period. There were no transfers into or out of level 1 for each of the three months ended March 31, 2016 and 2015.
(4)
There were no transfers out of level 2 into level 3 for the three months ended March 31, 2016. We had $1 million in losses transferred out of level 2 into level 3 for the three months ended March 31, 2015.
(5)
We had $(19) million in losses and $7 million in gains transferred out of level 3 into level 2 for the three months ended March 31, 2016 and 2015, respectively, due to changes in market liquidity in various power markets.