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Financing Receivables (Schedule Of Assets Under Lease Receivables) (Detail) $ in Millions | 9 Months Ended
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Sep. 30, 2017 USD ($) MW
Powerton Station Units 5 And 6 [Member] |  |
Schedule of Financial Receivables [Line Items] |  |
Location | IL |
Gross Investment | $ | $ 133 |
% Owned | 64.00% |
Total MW | MW | 1,538 |
Fuel Type | Coal |
Counterparties’ S&P Credit Ratings | BB- |
Counterparty | NRG Energy, Inc. |
Joliet Station Units 7 And 8 [Member] |  |
Schedule of Financial Receivables [Line Items] |  |
Location | IL |
Gross Investment | $ | $ 84 |
% Owned | 64.00% |
Total MW | MW | 1,036 |
Fuel Type | Gas |
Counterparties’ S&P Credit Ratings | BB- |
Counterparty | NRG Energy, Inc. |
Keystone Station Units 1 And 2 [Member] |  |
Schedule of Financial Receivables [Line Items] |  |
Location | PA |
Gross Investment | $ | $ 20 |
% Owned | 17.00% |
Total MW | MW | 1,711 |
Fuel Type | Coal |
Counterparties’ S&P Credit Ratings | CCC- | [1]
Counterparty | REMA (A) |
Conemaugh Station Units 1 And 2 [Member] |  |
Schedule of Financial Receivables [Line Items] |  |
Location | PA |
Gross Investment | $ | $ 20 |
% Owned | 17.00% |
Total MW | MW | 1,711 |
Fuel Type | Coal |
Counterparties’ S&P Credit Ratings | CCC- | [1]
Counterparty | REMA (A) |
Shawville Station Units 1, 2, 3 And 4 [Member] |  |
Schedule of Financial Receivables [Line Items] |  |
Location | PA |
Gross Investment | $ | $ 80 |
% Owned | 100.00% |
Total MW | MW | 596 |
Fuel Type | Gas |
Counterparties’ S&P Credit Ratings | CCC- | [1]
Counterparty | REMA (A) |
[1] | REMA’s parent company, GenOn, and certain of its subsidiaries (which did not include REMA) filed voluntary petitions for relief under Chapter 11 of the U.S. Bankruptcy Code. GenOn is currently engaged in a balance sheet restructuring, which will take an undetermined time to complete.

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- Definition Lease Receivable, Asset Capacity + References No definition available. + Details
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- Definition Lease Receivable, Asset, Fuel Type + References No definition available. + Details
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- Definition Lease Receivable, Asset Location + References No definition available. + Details
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- Definition Schedule of Financial Receivables [Line Items] + References No definition available. + Details
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- Details
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- Details
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