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DERIVATIVES (Tables)
9 Months Ended
Sep. 30, 2019
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Volumes Of Outstanding Derivative Contracts
The volumes of the Utility’s outstanding derivatives were as follows:
  Contract Volume at
Underlying ProductInstrumentsSeptember 30, 2019December 31, 2018
Natural Gas (1) (MMBtus (2))
Forwards, Futures and Swaps186,320,892  177,750,349  
 Options32,310,000  13,735,405  
Electricity (Megawatt-hours)Forwards, Futures and Swaps8,270,404  3,833,490  
 
Congestion Revenue Rights (3)
316,273,308  340,783,089  
(1) Amounts shown are for the combined positions of the electric fuels and core gas supply portfolios.
(2) Million British Thermal Units.
(3) CRRs are financial instruments that enable the holders to manage variability in electric energy congestion charges due to transmission grid limitations.
Schedule of Offsetting Assets
At September 30, 2019, the Utility’s outstanding derivative balances were as follows:
 Commodity Risk
(in millions)Gross Derivative
Balance
NettingCash Collateral
Total Derivative
Balance
Current assets – other$46  $—  $41  $87  
Other noncurrent assets – other170  —  —  170  
Current liabilities – other(29) —   (26) 
Noncurrent liabilities – other(140) —   (139) 
Total commodity risk$47  $—  $45  $92  

At December 31, 2018, the Utility’s outstanding derivative balances were as follows:
 Commodity Risk
(in millions)Gross Derivative
Balance
NettingCash CollateralTotal Derivative
Balance
Current assets – other$44  $(1) $89  $132  
Other noncurrent assets – other165  —  —  165  
Current liabilities – other(29)   (21) 
Noncurrent liabilities – other(90) —   (88) 
Total commodity risk$90  $—  $98  $188  
Schedule of Offsetting Liabilities
At September 30, 2019, the Utility’s outstanding derivative balances were as follows:
 Commodity Risk
(in millions)Gross Derivative
Balance
NettingCash Collateral
Total Derivative
Balance
Current assets – other$46  $—  $41  $87  
Other noncurrent assets – other170  —  —  170  
Current liabilities – other(29) —   (26) 
Noncurrent liabilities – other(140) —   (139) 
Total commodity risk$47  $—  $45  $92  

At December 31, 2018, the Utility’s outstanding derivative balances were as follows:
 Commodity Risk
(in millions)Gross Derivative
Balance
NettingCash CollateralTotal Derivative
Balance
Current assets – other$44  $(1) $89  $132  
Other noncurrent assets – other165  —  —  165  
Current liabilities – other(29)   (21) 
Noncurrent liabilities – other(90) —   (88) 
Total commodity risk$90  $—  $98  $188