Long-Term Debt (Details Textual) (USD $)	3 Months Ended		6 Months Ended			6 Months Ended		3 Months Ended	6 Months Ended		6 Months Ended		3 Months Ended		3 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Nov. 05, 2010	Jun. 30, 2011 Community Health System [Member]	Jul. 25, 2007 Community Health System [Member]	Sep. 30, 2007 Community Health System [Member] Senior Notes 8.875% Due 2015 [Member]	Jun. 30, 2011 Community Health System [Member] Senior Notes 8.875% Due 2015 [Member]	Jul. 25, 2007 Community Health System [Member] Senior Notes 8.875% Due 2015 [Member]	Jun. 30, 2011 Community Health System [Member] Senior 6.50% Subordinated Notes Due 2012 [Member]	Jul. 25, 2007 Community Health System [Member] Senior 6.50% Subordinated Notes Due 2012 [Member]	Sep. 30, 2007 Community Health System [Member] Funded Term Loan Facility [Member]	Jun. 30, 2011 Community Health System [Member] Funded Term Loan Facility [Member]	Dec. 31, 2008 Community Health System [Member] Delayed Draw Term Loan Facility [Member]	Jun. 30, 2011 Community Health System [Member] Delayed Draw Term Loan Facility [Member]	Dec. 31, 2009 Community Health System [Member] Delayed Draw Term Loan Facility [Member]	Dec. 31, 2007 Community Health System [Member] Delayed Draw Term Loan Facility [Member]	Jun. 30, 2011 Community Health System [Member] Revolving Credit Facility [Member]	Jun. 30, 2011 Community Health System [Member] Line of Credit [Member]	Jun. 30, 2011 Line of Credit [Member]
Long-Term Debt (Textuals) [Abstract]
Senior secured financing under a new credit facility							$ 7,200,000,000
Principal amount of senior notes issued										3,000,000,000
Percentage of interest rate stated on senior notes										8.875%		6.50%
Net proceeds from the notes offering								3,000,000,000
Net proceeds of term loans under the Credit Facility													6,100,000,000
Debt instrument maximum borrowing capacity														6,100,000,000	200,000,000	400,000,000		300,000,000
Maturity period of debt instrument														7 years		7 years
Drawn of delayed draw term loan															100,000,000		200,000,000
Quarterly amortization payments of each term loan facility						0.25% of the outstanding amount of the term loans
Existing term loans under the Credit Facility					1,500,000,000
Increase the pricing of term loans			LIBOR plus 350 basis points
Condition for amended maturity date			If more than $50 million of the Notes remain outstanding on April 15, 2015, without having been refinanced, then the maturity date for the extended term loans will be accelerated to April 15, 2015
Maturity date of term loans remains unchanged	4,500,000,000		4,500,000,000
Amended maximum borrowing capacity under uncommitted incremental facility			1,000,000,000
Original maximum borrowing capacity under uncommitted incremental facility			600,000,000
Amended borrowing capacity from receivable transactions			2,000,000,000
Increase in borrowing capacity from receivable transactions			500,000,000
Amount of borrowing from receivable transactions to be used for repayment of existing term loans			1,700,000,000
Prepaid amount of term loan						equal to (1) 100% of the net cash proceeds of certain asset sales and dispositions by the Company and its subsidiaries, subject to certain exceptions and reinvestment rights, (2) 100% of the net cash proceeds of issuances of certain debt obligations or receivables based financing by the Company and its subsidiaries, subject to certain exceptions, and (3) 50%, subject to reduction to a lower percentage based on the Company’s leverage ratio (as defined in the Credit Facility generally as the ratio of total debt on the date of determination to the Company’s EBITDA, as defined, for the four quarters most recently ended prior to such date), of excess cash flow (as defined) for any year, commencing in 2008, subject to certain exceptions.
Loans under the Credit Facility interest rate description						Rate equal to an applicable percentage plus, at CHS’s option, either (a) an Alternate Base Rate (as defined) determined by reference to the greater of (1) the Prime Rate (as defined) announced by Credit Suisse or (2) the Federal Funds Effective Rate (as defined) plus one-half of 1.0% or (3) the adjusted London Interbank Offered Rate (“LIBOR”) on such day for a three-month interest period commencing on the second business day after such day plus 1%, or (b) a reserve adjusted LIBOR for dollars (Eurodollar rate) (as defined). The applicable percentage for Alternate Base Rate loans is 1.25% for term loans due 2014 and is 2.25% for term loans due 2017. The applicable percentage for Eurodollar rate loans is 2.25% for term loans due 2014 and 3.5% for term loans due 2017. The applicable percentage for revolving loans is 1.25% for Alternate Base Rate revolving loans and 2.25% for Eurodollar revolving loans, in each case subject to reduction based on the Company’s leverage ratio.
Maturity period of senior notes											2015
Maturity date of senior notes									Jul. 15, 2015
Percentage payment of commitment fees per annum						0.50%
Percentage payment of commitment fees Description																0.50% per annum for the first nine months after the closing of the Credit Facility, 0.75% per annum for the next three months after such nine-month period and thereafter, 1.0% per annum.
Frequency of payment									semiannually
Date of Commencing interest payment									July 15, 2015
Base for calculation of Interest									360-day year comprised of twelve 30-day months
Percentage of redemption price equal to principal amount of notes redeemed						100.00%
Payments made for term loan under Credit Facility			28,798,000	34,157,000
Principle amount of term loans to tranches														1,000,000,000
Interest paid on borrowings	101,600,000	99,900,000	327,717,000	320,150,000
Additional Long-Term Debt (Textuals) [Abstract]
Revolving credit facility																			750,000,000
Maturity period of revolving credit facility																			6 years
Debt instrument unused borrowing capacity amount																				750,000,000	37,900,000
Amount of borrowing capacity from receivable transactions including securitizations																				$ 300,000,000
Weighted-average interest rate under the Credit Facility, excluding swaps																				3.20%