Commitments and Contingent Liabilities (Tables)
 3 Months Ended
Mar. 31, 2018
Power [Member]  
Loss Contingencies [Line Items]  
Face Value Of Outstanding Guarantees, Current Exposure And Margin Positions
The following table shows the face value of Power’s outstanding guarantees, current exposure and margin positions as of March 31, 2018 and December 31, 2017.
 
 
 
 
 
 
 
 
As of
 
As of
 
 
 
March 31,
2018
 
December 31,
2017
 
 
 
Millions
 
 
Face Value of Outstanding Guarantees
$
1,755

 
$
1,701

 
 
Exposure under Current Guarantees
$
161

 
$
153

 
 
 
 
 
 
 
 
Letters of Credit Margin Posted
$
109

 
$
103

 
 
Letters of Credit Margin Received
$
18

 
$
32

 
 
 
 
 
 
 
 
Cash Deposited and Received:
 
 
 
 
 
Counterparty Cash Margin Deposited
$
—

 
$
—

 
 
Counterparty Cash Margin Received
$
(1
)
 
$
(1
)
 
 
   Net Broker Balance Deposited (Received)
$
122

 
$
147

 
 
 
 
 
 
 
 
Additional Amounts Posted:
 
 
 
 
 
Other Letters of Credit
$
61

 
$
61

 
 
 
 
 
 
 
Total Minimum Purchase Commitments
As of March 31, 2018, the total minimum purchase requirements included in these commitments were as follows:
 
 
 
 
 
 
Fuel Type
 
Power's Share of Commitments through 2022
 
 
 
 
Millions
 
 
Nuclear Fuel
 
 
 
 
Uranium
 
$
242

 
 
Enrichment
 
$
346

 
 
Fabrication
 
$
170

 
 
Natural Gas
 
$
1,024

 
 
Coal
 
$
286

 
 
 
 
 
 
PSE And G [Member]  
Loss Contingencies [Line Items]  
Contract For Anticipated BGS-Fixed Price Eligible Load
The contract prices in dollars per MWh for the BGS-RSCP supply, as well as the approximate load, are as follows:
 
 
 
 
 
 
 
 
 
 
 
 
 
Auction Year
 
 
 
 
2015
 
2016
 
2017
 
2018
 
 
 
36-Month Terms Ending
May 2018

 
May 2019

 
May 2020

 
May 2021

(A) 
 
 
Load (MW)
2,900

 
2,800

 
2,800

 
2,900

  
 
 
$ per MWh
$99.54
 
$96.38
 
$90.78
 
$91.77
  
 
 
 
 
 
 
 
 
 
 
 
 

(A)
Prices set in the 2018 BGS auction year will become effective on June 1, 2018 when the 2015 BGS auction agreements expire.