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FAIR VALUE OF FINANCIAL INVESTMENTS AND LIABILITIES (Tables) | 12 Months Ended
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Dec. 31, 2016
Fair Value Disclosures [Abstract] |
Schedule of financial investments included in other assets | Financial investments included in other assets were as follows, in millions:
| At December 31
| 2016 |  | 2015
Auction rate securities | $ | — |  |  | $ | 22 |
Total recurring investments | — |  |  | 22 |
Equity method investments | 13 |  |  | 13 |
Private equity funds | 5 |  |  | 10 |
Other investments | — |  |  | 3 |
Total | $ | 18 |  |  | $ | 48 |
Schedule of income from financial investments, net, included in other, net, within other income (expense), net, | Income from financial investments, net, included in other, net, within other income (expense), net, was as follows, in millions:
| 2016 |  | 2015 |  | 2014
Realized gains from auction rate securities | $ | 3 |  |  | $ | — |  |  | $ | — |
Equity investment income (loss), net | 2 |  |  | 2 |  |  | (2 | )
Realized gains from private equity funds | 5 |  |  | 6 |  |  | 4 |
Loss from other investments | (3 | ) |  | — |  |  | — |
Income from financial investments, net | $ | 7 |  |  | $ | 8 |  |  | $ | 2 |

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- Definition Tabular disclosure of investment income, including, but not limited to, interest and dividend income and amortization of discount (premium) derived from debt and equity securities. Excludes realized and unrealized gain (loss) on investments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.2) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.7(a),(b)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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