CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	[1]
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 20	$ 204	$ 191
Other comprehensive income
Change in fair value of cash flow hedges (Note 18)		$ (1)
Reclassification to net income of gains and losses on cash flow hedges (Note 10)
Total comprehensive income	$ 20	$ 203	$ 191
Comprehensive income attributable to non-controlling interests	7	32	36
Comprehensive income attributable to controlling interests	$ 13	$ 171	$ 155

[1] Recast as discussed in Note 2 and Note 6.