CONDENSED CONSOLIDATED STATEMENTS OF OTHER COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
CONDENSED CONSOLIDATED STATEMENTS OF OTHER COMPREHENSIVE INCOME
Net income (loss)	$ (83)	$ 67
Other comprehensive income:
Adjustments for supplemental executive retirement plans	0	3
Other comprehensive income before income taxes	0	3
Income tax expense related to items of other comprehensive income	0	0
Total other comprehensive income, net of tax	0	3
Comprehensive income (loss)	(83)	70
Less: Preferred stock dividends	0	6
Less: Comprehensive income attributable to noncontrolling interests	5	3
Comprehensive income (loss) attributable to Tenet Healthcare Corporation common shareholders	$ (88)	$ 61