CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Net operating revenues:
Health Care Organization, Revenue, Total	$ 2,618	$ 2,427	$ 7,841	$ 7,373
Health Care Organization, Patient Service Revenue Provision for Bad Debts	210	206	624	585
Health Care Organization, Revenue Net of Patient Service Revenue Provisions, Total	2,408	2,221	7,217	6,788
Operating expenses:
Salaries, wages and benefits	1,172	1,050	3,499	3,166
Supplies	387	376	1,158	1,164
Other operating expenses, net	575	539	1,710	1,604
Electronic health record incentives	(14)	(13)	(48)	(13)
Depreciation and amortization	119	110	354	314
Impairment and restructuring charges, and acquisition-related costs	20	6	45	12
Litigation and investigation costs	1	0	3	3
Operating income	148	153	496	538
Interest expense	(91)	(103)	(292)	(303)
Loss from early extinguishment of debt	0	0	(348)	0
Investment earnings	0	1	1	2
Income (loss) from continuing operations, before income taxes	57	51	(143)	237
Income tax benefit (expense)	(16)	(18)	57	(90)
Income (loss) from continuing operations, before discontinued operations	41	33	(86)	147
Discontinued operations:
Income (loss) from operations	(8)	4	(5)	7
Impairment of long-lived assets and goodwill, and restructuring charges, net	0	0	0	(100)
Litigation and investigation costs	(2)	0	(2)	0
Net gains (losses)on sales of facilities	0	(1)	0	1
Income tax benefit (expense)	5	(4)	3	24
Loss from discontinued operations	(5)	(1)	(4)	(68)
Net income (loss)	36	32	(90)	79
Less: Preferred stock dividends	0	1	0	11
Less: Net income (loss) attributable to noncontrolling interests
Continuing operations	8	2	20	7
Discontinued operations	0	(11)	0	(31)
Net income (loss) attributable to Tenet Healthcare Corporation common shareholders	28	40	(110)	92
Amounts attributable to Tenet Healthcare Corporation common shareholders
Income (loss) from continuing operations, net of tax	33	30	(106)	129
Income (loss) from discontinued operations, net of tax	(5)	10	(4)	(37)
Net income (loss) attributable to Tenet Healthcare Corporation common shareholders	$ 28	$ 40	$ (110)	$ 92
Basic
Continuing operations (in dollars per share)	$ 0.33	$ 0.29	$ (1.03)	$ 1.25
Discontinued operations (in dollars per share)	$ (0.05)	$ 0.09	$ (0.04)	$ (0.36)
Total earnings (loss) per share, Basic (in dollars per share)	$ 0.28	$ 0.38	$ (1.07)	$ 0.89
Diluted
Continuing operations (in dollars per share)	$ 0.32	$ 0.28	$ (1.03)	$ 1.21
Discontinued operations (in dollars per share)	$ (0.05)	$ 0.09	$ (0.04)	$ (0.35)
Total earnings (loss) per share, Diluted (in dollars per share)	$ 0.27	$ 0.37	$ (1.07)	$ 0.86
Weighted average shares and dilutive securities outstanding (in thousands):
Basic (in shares)	100,894	104,244	102,669	103,613
Diluted (in shares)	103,098	107,311	102,669	106,904