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MARKETABLE SECURITIES (Tables) | 12 Months Ended
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Oct. 31, 2014
MARKETABLE SECURITIES |
Amortized Cost and Fair Value of Marketable Securities | The amortized cost and fair value of marketable securities at October 31 in millions of dollars follow:
|  | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value |
2014 |  |  |  |  |  |  |  |  |
Equity fund |  | $ | 39 |  | $ | 6 |  |  |  | $ | 45 |
Fixed income fund |  | 10 |  |  |  |  |  | 10 |
U.S. government debt securities |  | 806 |  | 3 |  | $ | 1 |  | 808 |
Municipal debt securities |  | 31 |  | 3 |  |  |  | 34 |
Corporate debt securities |  | 167 |  | 7 |  | 2 |  | 172 |
Mortgage-backed securities* |  | 145 |  | 3 |  | 2 |  | 146 |
Marketable securities |  | $ | 1,198 |  | $ | 22 |  | $ | 5 |  | $ | 1,215 |
2013 |  |  |  |  |  |  |  |  |
Equity fund |  | $ | 18 |  | $ | 2 |  |  |  | $ | 20 |
U.S. government debt securities |  | 1,309 |  | 5 |  | $ | 2 |  | 1,312 |
Municipal debt securities |  | 34 |  | 2 |  |  |  | 36 |
Corporate debt securities |  | 135 |  | 6 |  | 3 |  | 138 |
Mortgage-backed securities* |  | 121 |  | 2 |  | 4 |  | 119 |
Marketable securities |  | $ | 1,617 |  | $ | 17 |  | $ | 9 |  | $ | 1,625 |
* Primarily issued by U.S. government sponsored enterprises.
Contractual Maturities of Debt Securities | The contractual maturities of debt securities at October 31, 2014 in millions of dollars follow:
|  | Amortized Cost |  | Fair Value |
Due in one year or less |  | $ | 722 |  | $ | 723 |
Due after one through five years |  | 90 |  | 93 |
Due after five through 10 years |  | 140 |  | 143 |
Due after 10 years |  | 52 |  | 55 |
Mortgage-backed securities |  | 145 |  | 146 |
Debt securities |  | $ | 1,149 |  | $ | 1,160 |

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