XML 37 R20.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Statutory Capital Requirements and Dividend Restrictions | 12 Months Ended
--- | ---
Dec. 31, 2018
Statutory Capital Requirements And Dividend Restrictions [Abstract] |
Statutory Capital Requirements and Dividend Restriction | Statutory Capital Requirements and Dividend Restrictions Various state laws require Centene's regulated subsidiaries to maintain minimum capital levels specified by each state and restrict the amount of dividends that may be paid without prior regulatory approval. At December 31, 2018 and 2017, Centene's subsidiaries had aggregate statutory capital and surplus of $7,259 million and $5,153 million, respectively, compared with the required minimum aggregate statutory capital and surplus of $3,279 million and $2,251 million, respectively. As of December 31, 2018, the amount of capital and surplus or net worth that was unavailable for the payment of dividends or return of capital to the Company was $3,279 million in the aggregate.

X
- Definition Statutory capital requirements and dividend restrictions [Abstract] + References No definition available. + Details
Name: | cnc_StatutoryCapitalRequirementsAndDividendRestrictionsAbstract
Namespace Prefix: | cnc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Statutory Capital Requirements And Dividend Restrictions [Text Block] + References No definition available. + Details
Name: | cnc_StatutoryCapitalRequirementsAndDividendRestrictionsTextBlock
Namespace Prefix: | cnc_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration