XML 79 R34.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Significant Accounting Policies (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Accounting Policies [Abstract] |
Summarized premium revenue | The following table summarizes premium revenue for the periods indicated:
| Year Ended December 31,
| 2017 |  | 2016 |  | 2015
| Amount |  | % of Total |  | Amount |  | % of Total |  | Amount |  | % of Total
| (Dollars in millions)
California | $ | 2,701 |  |  | 14.3 | % |  | $ | 2,378 |  |  | 14.4 | % |  | $ | 2,200 |  |  | 16.6 | %
Florida | 2,568 |  |  | 13.6 |  |  | 1,938 |  |  | 11.8 |  |  | 1,199 |  |  | 9.1 |
Illinois | 593 |  |  | 3.1 |  |  | 603 |  |  | 3.7 |  |  | 398 |  |  | 3.0 |
Michigan | 1,596 |  |  | 8.5 |  |  | 1,527 |  |  | 9.3 |  |  | 1,072 |  |  | 8.1 |
New Mexico | 1,368 |  |  | 7.3 |  |  | 1,305 |  |  | 7.9 |  |  | 1,237 |  |  | 9.3 |
New York | 181 |  |  | 1.0 |  |  | 82 |  |  | 0.5 |  |  | — |  |  | — |
Ohio | 2,216 |  |  | 11.8 |  |  | 1,967 |  |  | 12.0 |  |  | 2,035 |  |  | 15.3 |
Puerto Rico | 732 |  |  | 3.9 |  |  | 726 |  |  | 4.4 |  |  | 567 |  |  | 4.3 |
South Carolina | 445 |  |  | 2.4 |  |  | 378 |  |  | 2.3 |  |  | 348 |  |  | 2.6 |
Texas | 2,813 |  |  | 14.9 |  |  | 2,461 |  |  | 15.0 |  |  | 1,963 |  |  | 14.8 |
Utah | 535 |  |  | 2.8 |  |  | 447 |  |  | 2.7 |  |  | 334 |  |  | 2.5 |
Washington | 2,608 |  |  | 13.8 |  |  | 2,222 |  |  | 13.5 |  |  | 1,605 |  |  | 12.1 |
Wisconsin | 491 |  |  | 2.6 |  |  | 398 |  |  | 2.4 |  |  | 262 |  |  | 2.0 |
Other | 7 |  |  | — |  |  | 13 |  |  | 0.1 |  |  | 41 |  |  | 0.3 |
| $ | 18,854 |  |  | 100.0 | % |  | $ | 16,445 |  |  | 100.0 | % |  | $ | 13,261 |  |  | 100.0 | %
Receivables (payables) for 3R programs |
| December 31, 2017 |  | December 31, 2016
| Current Benefit Year |  | Prior Benefit Years |  | Total |
| (In millions)
Risk adjustment | $ | (912 | ) |  | $ | — |  |  | $ | (912 | ) |  | $ | (522 | )
Reinsurance | — |  |  | 10 |  |  | 10 |  |  | 55 |
Risk corridor | — |  |  | — |  |  | — |  |  | (1 | )
Minimum MLR | (2 | ) |  | — |  |  | (2 | ) |  | (1 | )
Quality incentive premium revenue recognized | The following table quantifies the quality incentive premium revenue recognized for the periods presented, including the amounts earned in the periods presented and prior periods. Although the reasonably possible effects of a change in estimate related to quality incentive premium revenue as of December 31, 2017 are not known, we have no reason to believe that the adjustments to prior periods noted below are not indicative of the potential future changes in our estimates as of December 31, 2017.
| Year Ended December 31,
| 2017 |  | 2016 |  | 2015
| (In millions)
Maximum available quality incentive premium - current period | $ | 150 |  |  | $ | 147 |  |  | $ | 118 |
Amount of quality incentive premium revenue recognized in current period: |  |  |  |  |
Earned current period | $ | 97 |  |  | $ | 104 |  |  | $ | 66 |
Earned prior periods | 10 |  |  | 47 |  |  | 13 |
Total | $ | 107 |  |  | $ | 151 |  |  | $ | 79 |
Quality incentive premium revenue recognized as a percentage of total premium revenue | 0.6 | % |  | 0.9 | % |  | 0.6 | %
Consolidated medical care costs | The following table provides the details of our consolidated medical care costs for the periods indicated (dollars in millions, except PMPM amounts):
| Year Ended December 31,
| 2017 |  | 2016 |  | 2015
| Amount |  | PMPM |  | % of Total |  | Amount |  | PMPM |  | % of Total |  | Amount |  | PMPM |  | % of Total
Fee-for-service | $ | 12,682 |  |  | $ | 229.63 |  |  | 74.3 | % |  | $ | 10,993 |  |  | $ | 217.84 |  |  | 74.4 | % |  | $ | 8,572 |  |  | $ | 218.35 |  |  | 72.7 | %
Pharmacy | 2,563 |  |  | 46.40 |  |  | 15.0 |  |  | 2,213 |  |  | 43.84 |  |  | 15.0 |  |  | 1,610 |  |  | 41.01 |  |  | 13.7 |
Capitation | 1,360 |  |  | 24.63 |  |  | 8.0 |  |  | 1,218 |  |  | 24.13 |  |  | 8.2 |  |  | 982 |  |  | 25.02 |  |  | 8.3 |
Direct delivery | 73 |  |  | 1.33 |  |  | 0.4 |  |  | 78 |  |  | 1.55 |  |  | 0.5 |  |  | 128 |  |  | 3.26 |  |  | 1.1 |
Other | 395 |  |  | 7.15 |  |  | 2.3 |  |  | 272 |  |  | 5.39 |  |  | 1.9 |  |  | 502 |  |  | 12.79 |  |  | 4.2 |
Total | $ | 17,073 |  |  | $ | 309.14 |  |  | 100.0 | % |  | $ | 14,774 |  |  | $ | 292.75 |  |  | 100.0 | % |  | $ | 11,794 |  |  | $ | 300.43 |  |  | 100.0 | %

X
- Definition Affordable Care Act, Premium Stabilization Programs, Receivables and Payables [Table Text Block] + References No definition available. + Details
Name: | moh_AffordableCareActPremiumStabilizationProgramsReceivablesAndPayablesTableTextBlock
Namespace Prefix: | moh_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Quality incentive premium revenue recognized. + References No definition available. + Details
Name: | moh_QualityIncentivePremiumRevenueRecognizedTableTextBlock
Namespace Prefix: | moh_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of health care organization cost. + References No definition available. + Details
Name: | moh_ScheduleOfHealthCareOrganizationCostTableTextBlock
Namespace Prefix: | moh_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition summarized premium revenue. + References No definition available. + Details
Name: | moh_SummarizedPremiumRevenueTableTextBlock
Namespace Prefix: | moh_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration