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Related Parties - Compulsorily Convertible Debentures Narrative (Details) (Details)
12 Months Ended
Aug. 05, 2015
USD ($)
MW
Dec. 31, 2015
USD ($)
Oct. 07, 2016
USD ($)
Mar. 31, 2016
USD ($)
Dec. 31, 2015
INR (₨)
₨ / shares
Compulsorily convertible debentures (CCD) | SunEdison          
Related Party Transaction [Line Items]          
Unsecured compulsorily convertible debentures   $ 9,800,000     ₨ 650,000,000
Compulsorily convertible debentures value   11,500,000   $ 11,500,000  
Unnamed third party | Compulsorily convertible debentures (CCD)          
Related Party Transaction [Line Items]          
Unsecured compulsorily convertible debentures   $ 1,700,000     ₨ 112,100,000.0
Minimum | Compulsorily convertible debentures (CCD) | SunEdison          
Related Party Transaction [Line Items]          
Conversion price (INR per share) | ₨ / shares         ₨ 73
Debt conversion term   19 years      
Maximum | Compulsorily convertible debentures (CCD) | SunEdison          
Related Party Transaction [Line Items]          
Conversion price (INR per share) | ₨ / shares         ₨ 224
Debt conversion term   20 years      
Call rights projects | SunEdison          
Related Party Transaction [Line Items]          
Capacity of acquired power plants | MW 1,600        
Support agreement, additional power plant capacity | MW 4,200        
Support agreement, right of first offer, contract time period 6 years        
Global LLC | Call rights projects | SunEdison          
Related Party Transaction [Line Items]          
Support agreement, projected cash available for distributions, minimum $ 1,400,000,000        
Support agreement, projected cash available for distributions, minimum, term of commercial operation 12 months        
SunEdison Bankruptcy Case | Positive outcome of litigation | Subsequent event          
Related Party Transaction [Line Items]          
Estimated un secured claims amount (in excess of $2.0 billion)     $ 2,000,000,000.0