8. Investments, Advances and Long-Term Receivables | | | | Dec. 31, | | Dec. 31, | | | | | 2015 | | 2014 | | | | | (millions of dollars) | | Companies carried at equity in underlying assets | | | | | | Investments | | 20,337 | | 20,017 | | Advances | | 9,110 | | 9,818 | | | Total equity company investments and advances | | 29,447 | | 29,835 | | Companies carried at cost or less and stock investments carried at fair value | | 274 | | 526 | | Long-term receivables and miscellaneous investments at cost or less, net of reserves | | | | | | of $3,040 million and $2,662 million | | 4,524 | | 4,878 | | | Total | | 34,245 | | 35,239 |
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