XML 62 R45.htm IDEA: XBRL DOCUMENT v3.22.0.1

Significant Accounting Policies - Schedule of Premium Revenue (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Premium revenue	$ 26,855	$ 18,299	$ 16,208
Health Plans
Revenues from External Customers and Long-Lived Assets [Line Items]
Premium revenue	$ 26,855	$ 18,299	$ 16,208
Premium revenue percentage	100.00%	100.00%	100.00%
Health Plans | California
Revenues from External Customers and Long-Lived Assets [Line Items]
Premium revenue	$ 2,402	$ 2,109	$ 2,266
Premium revenue percentage	8.90%	11.50%	14.00%
Health Plans | Florida
Revenues from External Customers and Long-Lived Assets [Line Items]
Premium revenue	$ 970	$ 643	$ 734
Premium revenue percentage	3.60%	3.50%	4.50%
Health Plans | Illinois
Revenues from External Customers and Long-Lived Assets [Line Items]
Premium revenue	$ 1,860	$ 1,328	$ 1,002
Premium revenue percentage	6.90%	7.30%	6.20%
Health Plans | Kentucky
Revenues from External Customers and Long-Lived Assets [Line Items]
Premium revenue	$ 1,977	$ 654	$ 0
Premium revenue percentage	7.40%	3.60%	0.00%
Health Plans | Michigan
Revenues from External Customers and Long-Lived Assets [Line Items]
Premium revenue	$ 1,915	$ 1,587	$ 1,624
Premium revenue percentage	7.10%	8.70%	10.00%
Health Plans | New York
Revenues from External Customers and Long-Lived Assets [Line Items]
Premium revenue	$ 1,429	$ 309	$ 179
Premium revenue percentage	5.30%	1.70%	1.10%
Health Plans | Ohio
Revenues from External Customers and Long-Lived Assets [Line Items]
Premium revenue	$ 3,172	$ 2,962	$ 2,553
Premium revenue percentage	11.80%	16.20%	15.80%
Health Plans | Texas
Revenues from External Customers and Long-Lived Assets [Line Items]
Premium revenue	$ 3,959	$ 3,085	$ 2,991
Premium revenue percentage	14.80%	16.90%	18.50%
Health Plans | Washington
Revenues from External Customers and Long-Lived Assets [Line Items]
Premium revenue	$ 4,420	$ 3,169	$ 2,695
Premium revenue percentage	16.50%	17.30%	16.60%
Health Plans | Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Premium revenue	$ 4,751	$ 2,453	$ 2,164
Premium revenue percentage	17.70%	13.30%	13.30%

X

- Definition

Health Care Organization, Revenue Percentage

+ References

No definition available.

+ Details

Name:	moh_HealthCareOrganizationRevenuePercentage
Namespace Prefix:	moh_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount, after premiums ceded to other entities and premiums assumed by the entity, of premiums earned.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(1))
-URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 235
-Section S99
-Paragraph 2
-Subparagraph (SX 210.12-17(Column E))
-URI http://asc.fasb.org/extlink&oid=120401096&loc=d3e574992-122915

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04(13)(c))
-URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 605
-Section 50
-Paragraph 1
-Subparagraph (c)(3)
-URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547

+ Details

Name:	us-gaap_PremiumsEarnedNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=moh_HealthPlansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=stpr_CA
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=stpr_FL
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=stpr_IL
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=stpr_KY
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=stpr_MI
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=stpr_NY
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=stpr_OH
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=stpr_TX
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=stpr_WA
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=moh_OtherGeographicalAreasMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: