XML 53 R27.htm IDEA: XBRL DOCUMENT v3.5.0.2
RECENT BUSINESS ACQUISITIONS (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended 6 Months Ended
Jul. 31, 2016
Mar. 31, 2015
Jun. 30, 2016
Black Oak Getty Wind [Member]      
Business Acquisition [Line Items]      
Total business acquisition costs   $ 8  
Ownership Percentage in consolidated entity   100.00%  
PEMEX [Member]      
Business Acquisition [Line Items]      
Ownership Percentage in consolidated entity     50.00%
IEnova [Member]      
Business Acquisition [Line Items]      
Business Acquisition Purchase Price Allocation Equity Method Investment $ 1,100    
Ownership Percentage in consolidated entity     25.00%
Equity Method Investment Ownership Percentage     50.00%
Apple Blossom Wind [Member]      
Business Acquisition [Line Items]      
Total business acquisition costs $ 22    
Ownership Percentage in consolidated entity 100.00%