XML 127 R112.htm IDEA: XBRL DOCUMENT v3.8.0.1
BORROWINGS - Weighted Average Interest Rate (Details) - Interest on non-recourse borrowings - Weighted average
Dec. 31, 2017
Dec. 31, 2016
Disclosure of detailed information about borrowings [line items]    
Borrowings, interest rate 5.00% 5.00%
Utilities    
Disclosure of detailed information about borrowings [line items]    
Borrowings, interest rate 4.00% 4.00%
Transport    
Disclosure of detailed information about borrowings [line items]    
Borrowings, interest rate 5.00% 5.00%
Energy    
Disclosure of detailed information about borrowings [line items]    
Borrowings, interest rate 5.00% 5.00%