CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME
Net income	$ 39	$ 46	$ 151	$ 141	[1]
Other comprehensive income
Change in fair value of cash flow hedges (Note 11)		(1)	(1)	(1)	[1]
Comprehensive income	39	45	150	140	[1]
Comprehensive income attributable to non-controlling interests	8	9	26	27	[1]
Comprehensive income attributable to controlling interests	$ 31	$ 36	$ 124	$ 113	[1]

[1] Recast as discussed in Note 2.