XML 59 R40.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Significant Accounting Policies - Quality Incentive Premium Revenue Recognized (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Schedule of Premium Revenue by Health Plan Type [Line Items] |  |  |  |
Maximum available quality incentive premium - current period | $ 39 | $ 41 | $ 77 | $ 81
Quality incentive premium revenue recognized in current period: |  |  |  |
Earned current period | 29 | 36 | 48 | 54
Earned prior periods | 1 | 49 | 6 | 54
Total | $ 30 | $ 85 | $ 54 | $ 108
Quality incentive premium revenue recognized as a percentage of total premium revenue | 0.60% | 2.10% | 0.60% | 1.30%
Minimum | Select Health Plans |  |  |  |
Schedule of Premium Revenue by Health Plan Type [Line Items] |  |  |  |
Percentage of additional incremental revenue earned |  |  | 1.00% |
Maximum | Select Health Plans |  |  |  |
Schedule of Premium Revenue by Health Plan Type [Line Items] |  |  |  |
Percentage of additional incremental revenue earned |  |  | 3.00% |

X
- Definition Amount of current year quality incentive premium revenue recognized. + References No definition available. + Details
Name: | moh_AmountOfCurrentYearQualityIncentivePremiumRevenueRecognized
Namespace Prefix: | moh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of quality incentive premium revenue recognized from prior year. + References No definition available. + Details
Name: | moh_AmountOfQualityIncentivePremiumRevenueRecognizedFromPriorYear
Namespace Prefix: | moh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Maximum available quality incentive premium current year. + References No definition available. + Details
Name: | moh_MaximumAvailableQualityIncentivePremiumCurrentYear
Namespace Prefix: | moh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Percentage of additional incremental revenue earned. + References No definition available. + Details
Name: | moh_PercentageOfAdditionalIncrementalRevenueEarned
Namespace Prefix: | moh_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Quality Incentive Premium Revenue As A Percentage Of Total Revenue + References No definition available. + Details
Name: | moh_QualityIncentivePremiumRevenueAsAPercentageOfTotalRevenue
Namespace Prefix: | moh_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Quality incentive premium revenue recognized. + References No definition available. + Details
Name: | moh_QualityIncentivePremiumRevenueRecognized
Namespace Prefix: | moh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Quality Incentive Premium Revenue Recognized [Abstract] + References No definition available. + Details
Name: | moh_QualityIncentivePremiumRevenueRecognizedAbstract
Namespace Prefix: | moh_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of premium revenue by health plan type. + References No definition available. + Details
Name: | moh_ScheduleOfPremiumRevenueByHealthPlanTypeLineItems
Namespace Prefix: | moh_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=moh_CaliforniaIllinoisNewMexicoOhioSouthCarolinaTexasWashingtonandWisconsinMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |