Debt instrument, maturity year.

No definition available.

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Namespace Prefix:	cyh_
Data Type:	xbrli:gYearItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt instrument optional redemption date.

+ References

No definition available.

+ Details

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Namespace Prefix:	cyh_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt instrument redemption date.

+ References

No definition available.

+ Details

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Namespace Prefix:	cyh_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum number of days notice needed to redeem the senior notes at the redemption price plus accrued and unpaid interest.

+ References

No definition available.

+ Details

Name:	cyh_MaximumPeriodNoticeForRedemptionOfDebt
Namespace Prefix:	cyh_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Minimum number of days notice needed to redeem the senior notes at the redemption price plus accrued and unpaid interest.

+ References

No definition available.

+ Details

Name:	cyh_MinimumPeriodNoticeForRedemptionOfDebt
Namespace Prefix:	cyh_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Date the debt instrument was offered for sale, in YYYY-MM-DD format.

+ References

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+ Details

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Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of debt redemption features under terms of the debt agreement.

+ References

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+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration

- Definition

Percentage of principal amount of debt redeemed.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Period Type:	duration

- Details

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Namespace Prefix:
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Balance Type:
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- Details

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Namespace Prefix:
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Balance Type:
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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Balance Type:
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- Details

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- Details

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Namespace Prefix:
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Long-Term Debt - 4.750% Senior Secured Notes, Due 2031 - Additional Information (Details) - Senior Secured Notes - USD ($) $ in Millions		12 Months Ended
	Feb. 09, 2021	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument Redemption Period Six
Debt Instrument [Line Items]
Debt instrument stated interest rate	4.75%
Debt instrument, maturity year	2031
Debt instrument redemption description	plus a “make-whole” premium, as described in the indenture governing the 4¾% Senior Secured Notes due 2031
Debt instrument optional redemption date	Feb. 15, 2026
Minimum period notice for redemption of debt	15 days
Maximum period notice for redemption of debt	60 days
Debt instrument redemption price percentage	100.00%
Senior Secured Notes at 4.750% due 2031
Debt Instrument [Line Items]
Debt instrument, offering date	Feb. 09, 2021
Debt instrument aggregate principal amount	$ 1,095
Debt instrument stated interest rate	4.75%	4.75%	4.75%
Debt instrument, maturity date	Feb. 15, 2031
Debt instrument, maturity year	2031	2031	2031
Debt instrument redemption description		The 4¾% Senior Secured Notes due 2031 bear interest at a rate of 4.750% per year payable semi-annually in arrears on February 15 and August 15, commencing on August 15, 2021.
Debt instrument optional redemption date	Feb. 15, 2026
Minimum period notice for redemption of debt	15 days
Maximum period notice for redemption of debt	60 days
Senior Secured Notes at 4.750% due 2031 \| Redeem up to 40% Principal Amount Prior to February 15, 2024
Debt Instrument [Line Items]
Debt instrument stated interest rate	4.75%
Debt instrument, maturity year	2031
Debt instrument optional redemption date	Feb. 15, 2024
Debt instrument redemption price percentage	104.75%
Maximum principal redeemable using proceeds from a public equity offering, as a percentage of principal amount	40.00%
Senior Secured Notes at 4.750% due 2031 \| Redeem up to 10% Principal Amount Prior to February 15, 2026
Debt Instrument [Line Items]
Debt instrument redemption description	plus accrued and unpaid interest, if any. In addition, any time prior to February 15, 2026, but not more than once during each twelve-month period
Debt instrument redemption price percentage	103.00%
Maximum principal redeemable using proceeds from a public equity offering, as a percentage of principal amount	10.00%
Senior Secured Notes at 8.625%, Due 2024
Debt Instrument [Line Items]
Debt instrument stated interest rate	8.625%	8.625%	8.625%
Debt instrument, maturity year	2024	2024	2024
Debt instrument redemption date	Feb. 09, 2021