CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME
Net income	$ 67	$ 53	[1]
Total comprehensive income	67	53	[1]
Comprehensive income attributable to non-controlling interests	10	10	[1]
Comprehensive income attributable to controlling interests	$ 57	$ 43	[1]

[1] (a) Recast as discussed in Note 2.