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Variable Interest Entities and Unconsolidated Investments (Tables) | 12 Months Ended
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Dec. 31, 2015
Variable Interest Entities and Unconsolidated Investments [Abstract] |
Schedule of Equity Method Investments | At December 31, 2015 and 2014, our equity method investments included on our Consolidated Balance Sheets were comprised of the following (in millions):
| Ownership Interest as of December 31, 2015 |  | 2015 |  | 2014
Greenfield LP | 50% |  | $ | 65 |  |  | $ | 78 |
Whitby | 50% |  | 14 |  |  | 17 |
Total investments in power plants |  |  | $ | 79 |  |  | $ | 95 |
Income (Loss) From Unconsolidated Investments in Power Plants and Distributions | Our equity interest in the net income from Greenfield LP and Whitby for the years ended December 31, 2015, 2014 and 2013, is recorded in (income) from unconsolidated investments in power plants. The following table sets forth details of our (income) from unconsolidated investments in power plants and distributions for the years indicated (in millions):
| (Income) from Unconsolidated Investments in Power Plants |  | Distributions
| 2015 |  | 2014 |  | 2013 |  | 2015 |  | 2014 |  | 2013
Greenfield LP | $ | (12 | ) |  | $ | (10 | ) |  | $ | (16 | ) |  | $ | 12 |  |  | $ | — |  |  | $ | 18 |
Whitby | (12 | ) |  | (15 | ) |  | (14 | ) |  | 13 |  |  | 13 |  |  | 9 |
Total | $ | (24 | ) |  | $ | (25 | ) |  | $ | (30 | ) |  | $ | 25 |  |  | $ | 13 |  |  | $ | 27 |
Schedule of Condensed Financial Statements | Aggregated summarized financial data for our unconsolidated subsidiaries is set forth below (in millions): Condensed Combined Balance Sheets of Our Unconsolidated Subsidiaries December 31, 2015 and 2014
| 2015 |  | 2014
Assets: |  |  |
Cash and cash equivalents | $ | 50 |  |  | $ | 58 |
Current assets | 14 |  |  | 28 |
Property, plant and equipment, net | 431 |  |  | 532 |
Other assets | 1 |  |  | 2 |
Total assets | $ | 496 |  |  | $ | 620 |
Liabilities: |  |  |
Current maturities of long-term debt | $ | 18 |  |  | $ | 21 |
Current liabilities | 21 |  |  | 28 |
Long-term debt | 251 |  |  | 321 |
Long-term derivative liabilities | 43 |  |  | 51 |
Total liabilities | 333 |  |  | 421 |
Member’s interest | 163 |  |  | 199 |
Total liabilities and member’s interest | $ | 496 |  |  | $ | 620 |
Condensed Combined Statements of Operations of Our Unconsolidated Subsidiaries For the Years Ended December 31, 2015, 2014 and 2013
| 2015 |  | 2014 |  | 2013
Revenues | $ | 191 |  |  | $ | 239 |  |  | $ | 207 |
Operating expenses | 127 |  |  | 168 |  |  | 128 |
Income from operations | 64 |  |  | 71 |  |  | 79 |
Interest expense, net of interest income | 18 |  |  | 23 |  |  | 24 |
Other (income) expense, net | — |  |  | — |  |  | (3 | )
Net income | $ | 46 |  |  | $ | 48 |  |  | $ | 58 |

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- Definition Tabular disclosure of equity method investments including, but not limited to, name of each investee or group of investments, percentage ownership, difference between recorded amount of an investment and the value of the underlying equity in the net assets, and summarized financial information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 + Details
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