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Commitments and Contingencies (Property Insurance and Other) (Narrative) (Details) (USD $)	3 Months Ended	12 Months Ended		6 Months Ended							6 Months Ended			6 Months Ended		6 Months Ended			6 Months Ended
	Jun. 30, 2011	Dec. 31, 2010	Jun. 30, 2011 Puerto Rico [Member] Acute Care Facilities and Legacy Behavioral Health Care Facilities [Member] Earthquake [Member]	Jun. 30, 2011 California [Member] Behavioral Health Care Facilities [Member] Earthquake [Member]	Jun. 30, 2011 High Hazard Areas [Member] Behavioral Health Care Facilities [Member] Flood [Member]	Jun. 30, 2011 Letters of Credit and Surety Bonds [Member]	Jun. 30, 2011 Letters of Credit and Surety Bonds [Member] Self-Insurance Programs [Member]	Jun. 30, 2011 Letters of Credit and Surety Bonds [Member] Pending Appeals of Legal Judgments [Member]	Jun. 30, 2011 Letters of Credit and Surety Bonds [Member] Other Debt Guarantees [Member]	Jun. 30, 2011 Facilities Located in Fault Zones [Member] Acute Care Facilities and Legacy Behavioral Health Care Facilities [Member] Earthquake [Member]	Jun. 30, 2011 Minimum [Member] Acute Care Facilities and Legacy Behavioral Health Care Facilities [Member] Windstorm [Member]	Jun. 30, 2011 Minimum [Member] Acute Care Facilities and Legacy Behavioral Health Care Facilities [Member] Earthquake [Member]	Jun. 30, 2011 Minimum [Member] Acute Care Facilities and Legacy Behavioral Health Care Facilities [Member] Flood [Member]	Jun. 30, 2011 Minimum [Member] Behavioral Health Care Facilities [Member] Windstorm [Member]	Jun. 30, 2011 Minimum [Member] Behavioral Health Care Facilities [Member] Flood [Member]	Jun. 30, 2011 Maximum [Member] Acute Care Facilities and Legacy Behavioral Health Care Facilities [Member] Windstorm [Member]	Jun. 30, 2011 Maximum [Member] Acute Care Facilities and Legacy Behavioral Health Care Facilities [Member] Earthquake [Member]	Jun. 30, 2011 Maximum [Member] Acute Care Facilities and Legacy Behavioral Health Care Facilities [Member] Flood [Member]	Jun. 30, 2011 Maximum [Member] Behavioral Health Care Facilities [Member] Windstorm [Member]	Jun. 30, 2011 Maximum [Member] Behavioral Health Care Facilities [Member] Flood [Member]	Jun. 30, 2011 Acute Care Facilities and Legacy Behavioral Health Care Facilities [Member] Windstorm [Member]	Jun. 30, 2011 Acute Care Facilities and Legacy Behavioral Health Care Facilities [Member] Earthquake [Member]	Jun. 30, 2011 Behavioral Health Care Facilities [Member]	Jun. 30, 2011 Behavioral Health Care Facilities [Member] Windstorm [Member]	Jun. 30, 2011 Behavioral Health Care Facilities [Member] Flood [Member]	Jun. 30, 2011 Behavioral Health Care Facilities [Member] Earth Movement [Member]
Commercial property insurance for catastrophic losses, deductible rate				5.00%							3.00%	1.00%		1.00%		5.00%	5.00%		5.00%
Commercial property insurance for catastrophic losses deductible limit per occurrence			$ 25,000,000		$ 500,000								$ 250,000		$ 50,000			$ 500,000			$ 250,000	$ 250,000	$ 25,000			$ 50,000
Commercial property insurance for catastrophic losses limit per occurrence				50,000,000	25,000,000					100,000,000										100,000	1,000,000,000	250,000,000	100,000,000	100,000,000	100,000,000	100,000,000
Off-balance sheet contingent obligation						$ 76,000,000	$ 62,000,000	$ 7,000,000	$ 7,000,000
SWHCS pre-tax (deficit)/income from operations after income attributable to noncontrolling interest	(0.90%)
SWHCS pre-tax (deficit)/income from operations after income attributable to noncontrolling interest		1.10%

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Commercial insurance coverage catastrophic loss deductible rate per occurrence.

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Commercial insurance coverage for catastrophic losses.

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The fair value of financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6947722&loc=d3e13433-108611

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