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Investments (Tables) | 6 Months Ended
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Jul. 01, 2017
Investments |
Summary of the amortized cost and estimated fair value of short-term investments classified as trading securities |
|  | July 1, 2017 |  | December 31, 2016 |
|  | Amortized |  | Fair |  | Amortized |  | Fair |
(Millions of dollars) |  | Cost |  | Value |  | Cost |  | Value |
Domestic equity securities |  | $ | 612 |  | $ | 687 |  | $ | 444 |  | $ | 482 |
Domestic debt securities held in mutual funds/ETFs/U.S. Treasuries |  |  | 272 |  |  | 274 |  |  | 437 |  |  | 437 |
Foreign equity securities |  |  | 261 |  |  | 289 |  |  | 198 |  |  | 199 |
High yield securities |  |  | 108 |  |  | 108 |  |  | 114 |  |  | 115 |
Money market funds held in trading accounts |  |  | 16 |  |  | 16 |  |  | 13 |  |  | 13 |
Collateralized loan obligations |  |  | 13 |  |  | 13 |  |  | 25 |  |  | 26 |
Other trading securities |  |  | 4 |  |  | 4 |  |  | 5 |  |  | 5 |
Total trading short-term investments |  | $ | 1,286 |  | $ | 1,391 |  | $ | 1,236 |  | $ | 1,277 |

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