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Restricted Investments | 12 Months Ended
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Dec. 31, 2016
Investments, Debt and Equity Securities [Abstract] |
Restricted Investments | Restricted Investments Pursuant to the regulations governing our Health Plans segment subsidiaries, we maintain statutory deposits and deposits required by government authorities primarily in certificates of deposit and U.S. treasury securities. We also maintain restricted investments as protection against the insolvency of certain capitated providers. The use of these funds is limited to specific purposes as required by regulation in the various states in which we operate, or as protection against the insolvency of capitated providers. We have the ability to hold our restricted investments until maturity, and as a result, we would not expect the value of these investments to decline significantly due to a sudden change in market interest rates. 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 |
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 The entire disclosure for assets that are restricted in their use, generally by contractual agreements or regulatory requirements. This would include, but not limited to, a description of the restricted assets and the terms of the restriction. + References No definition available. + Details
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