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v3.22.1

Organization and Basis of Presentation (Details) member in Millions | 1 Months Ended | 3 Months Ended
--- | --- | ---
Sep. 30, 2021 | Mar. 31, 2022 position member segment
Segment Reporting Information [Line Items] |  |
Reportable segment | segment |  | 4
Contract term | 4 years |
Extension option | 2 years |
Health Plans |  |
Segment Reporting Information [Line Items] |  |
Number of members eligible for the health care programs, approximately | member |  | 5.1
Number of states with programs | position |  | 19
Health Plans | Minimum |  |
Segment Reporting Information [Line Items] |  |
Contract term |  | 3 years
Health Plans | Maximum |  |
Segment Reporting Information [Line Items] |  |
Contract term |  | 5 years

X
- Definition Number of members eligible for the health care programs. + References No definition available. + Details
Name: | moh_BusinessCombinationNumberOfMembersEligibleForTheHealthCarePrograms
Namespace Prefix: | moh_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Health Plan, Contract Term + References No definition available. + Details
Name: | moh_HealthPlanContractTerm
Namespace Prefix: | moh_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Health Plan, Extension Option, Period + References No definition available. + Details
Name: | moh_HealthPlanExtensionOptionPeriod
Namespace Prefix: | moh_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number Of Reportable Segment + References No definition available. + Details
Name: | moh_NumberOfReportableSegment
Namespace Prefix: | moh_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number Of States With Government-Sponsored Healthcare Programs + References No definition available. + Details
Name: | moh_NumberOfStatesWithGovernmentSponsoredHealthcarePrograms
Namespace Prefix: | moh_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |