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Restricted Investments (Tables) | 12 Months Ended
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Dec. 31, 2016
Investments, Debt and Equity Securities [Abstract] |
Summary of restricted investments by health plan | The following table presents the balances of restricted investments:
| December 31,
| 2016 |  | 2015
| (In millions)
Florida | $ | 22 |  |  | $ | 34 |
Illinois | 3 |  |  | — |
Michigan | 1 |  |  | 1 |
New Mexico | 43 |  |  | 43 |
New York | 9 |  |  | — |
Ohio | 12 |  |  | 12 |
Puerto Rico | 10 |  |  | 10 |
Texas | 4 |  |  | 4 |
Utah | 4 |  |  | 4 |
Wisconsin | 1 |  |  | 1 |
Other | 1 |  |  | — |
Total Health Plans segment | $ | 110 |  |  | $ | 109 |
Contractual maturities of our held-to-maturity restricted investments | The contractual maturities of our restricted investments, which are designated as held-to-maturity and are carried at amortized cost, which approximates fair value, as of December 31, 2016 are summarized below.
| Amortized Cost |  | Estimated Fair Value
| (In millions)
Due in one year or less | $ | 100 |  |  | $ | 100 |
Due after one year through five years | 10 |  |  | 10 |
| $ | 110 |  |  | $ | 110 |

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- Definition Investments classified by contractual maturities of our held-to-maturity restricted investments. + References No definition available. + Details
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- Definition Schedule of balances of restricted investments by health plan. + References No definition available. + Details
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