XML 91 R74.htm IDEA: XBRL DOCUMENT v3.10.0.1

Debt - Interest Rate Swaps (Details) $ in Millions	Dec. 31, 2018 USD ($)
February 15, 2021
Debt Instrument [Line Items]
Derivative, notional amount	$ 600
May 15, 2022
Debt Instrument [Line Items]
Derivative, notional amount	500
February 15, 2024
Debt Instrument [Line Items]
Derivative, notional amount	1,000
January 15, 2025
Debt Instrument [Line Items]
Derivative, notional amount	600
Interest rate swap
Debt Instrument [Line Items]
Derivative, notional amount	$ 2,700
Swap average, variable interest rate	3.61%
Weighted average interest rate, interest rate swap agreements	6.19%

X

- Definition

weighted average interest rate, interest rate swap agreements

+ References

No definition available.

+ Details

Name:	cnc_Weightedaverageinterestrateinterestrateswapagreements
Namespace Prefix:	cnc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

+ Details

Name:	invest_DerivativeNotionalAmount
Namespace Prefix:	invest_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

X

- 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

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

X

- Definition

Variable interest rate in effect as of the balance sheet date related to the interest rate derivative.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeVariableInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=cnc_February152021ExpirationInterestRateSwapMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=cnc_May152022ExpirationInterestRateSwapMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=cnc_February152024InterestRateSwapMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=cnc_January152025ExpirationInterestRateSwapMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: