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Segment Information - Schedule of Operating Segment Information (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2017 | Mar. 31, 2016 | Dec. 31, 2016
Segment Reporting Information [Line Items] |  |  |
Total revenue | $ 4,904 | $ 4,343 |
Gross margin | 546 | 420 |
Total Assets | 8,038 |  | $ 7,449
Health Plans |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenue | 4,771 | 4,201 |
Gross margin | 537 | 407 |
Total Assets | 6,586 |  | 5,897
Molina Medicaid Solutions |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenue | 46 | 52 |
Gross margin | 4 | 6 |
Total Assets | 279 |  | 267
Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenue | 87 | 90 |
Gross margin | 5 | $ 7 |
Total Assets | $ 1,173 |  | $ 1,285

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- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(12)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(11)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1,2) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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