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Marketable Securities | 3 Months Ended
--- | ---
Mar. 31, 2012
Marketable Securities | Note 9. Marketable Securities
|  | March 31, 2012 |  |  | December 31, 2011 |
|  |  |  |  | Unrealized |  |  | Fair |  |  |  |  |  | Unrealized |  |  | Fair |
|  | Cost |  |  | Gains |  |  | Value |  |  | Cost |  |  | Gains |  |  | Value |
U.S. government securities |  | $ | 8 |  |  | $ | - |  |  | $ | 8 |  |  | $ | 10 |  |  | $ | - |  |  | $ | 10 |
Corporate securities |  |  | 10 |  |  |  |  |  |  |  | 10 |  |  |  | 8 |  |  |  |  |  |  |  | 8 |
Certificates of deposit |  |  | 13 |  |  |  |  |  |  |  | 13 |  |  |  | 13 |  |  |  |  |  |  |  | 13 |
Other |  |  | 25 |  |  |  | 2 |  |  |  | 27 |  |  |  | 25 |  |  |  |  |  |  |  | 25 |
Total marketable securities |  | $ | 56 |  |  | $ | 2 |  |  | $ | 58 |  |  | $ | 56 |  |  | $ | - |  |  | $ | 56 |
U.S. government securities include bonds issued by government-sponsored agencies and Treasury notes. Corporate securities include both debt and equity securities. Other consists of investments in mutual and index funds. U.S. government securities, corporate debt and certificates of deposit maturing in one year or less, after one year through five years and after five years total $14, $9 and $8 at March 31, 2012. Proceeds from liquidating available-for-sale marketable securities prior to their scheduled maturities were $1 and $5 in the first quarters of 2012 and 2011. The related gains and losses realized on this activity were not significant.

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- Definition The entire disclosure of cash, cash equivalents, and debt and equity securities, including any unrealized or realized gain (loss). + References No definition available. + Details
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