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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Net income	$ 994	$ 514	$ 580
Other comprehensive income/(loss)	(64)	(5)	48
Comprehensive income	930	509	628
Less: Comprehensive income attributable to noncontrolling interests	(24)	(9)	(1)
Comprehensive income attributable to Plains	$ 906	$ 500	$ 627

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