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Segment Information - Power Segment (Details) $ in Millions | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2015 USD ($) | Jul. 04, 2015 USD ($) MW | Sep. 27, 2014 USD ($) | Dec. 31, 2016 USD ($) segment MW | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Mar. 29, 2014 MW
Segment Information |  |  |  |  |  |  |
Number of reportable segments | segment |  |  |  | 6 |  |  |
Gain on sale of assets |  |  |  |  |  | $ 5 |
Interest income recorded for interest recognized on certain customer receivable balances |  |  |  | $ 15 | $ 40 | $ 14 |
Electricity generating facility | Dominican Republic |  |  |  |  |  |  |
Segment Information |  |  |  |  |  |  |
Amount invested under equity method |  | $ 10 |  |  |  |  |
Capacity of power facility (in megawatts) | MW |  | 300 |  |  |  |  |
Power | Electricity generating facility | Dominican Republic |  |  |  |  |  |  |
Segment Information |  |  |  |  |  |  |
Percentage of ownership interest accounted as equity method investment |  | 29.90% |  | 29.90% |  |  |
Amount invested under equity method |  | $ 10 |  |  |  |  |
Capacity of power facility (in megawatts) | MW |  | 300 |  | 300 |  |  |
Power | Floating power generating facility | Dominican Republic |  |  |  |  |  |  |
Segment Information |  |  |  |  |  |  |
Capacity of power facility leased (in megawatts) | MW |  |  |  |  |  |  | 72
Gain on sale of assets |  |  | $ 5 |  |  |  |
Power | Accounts Receivable |  |  |  |  |  |  |
Segment Information |  |  |  |  |  |  |
Interest income recorded for interest recognized on certain customer receivable balances | $ 31 |  |  |  |  |  |

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