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INVESTMENTS. (Tables) | 12 Months Ended
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Dec. 31, 2017
Investments, Debt and Equity Securities [Abstract] |
Unconsolidated investments | The carrying values of investments we do not consolidate at December 31 are as follows:
(in millions) | 2016 |  | 2017
T. Rowe Price investment products held as available-for-sale | $ | 709.0 |  |  | $ | 597.1 |
Equity method investments |  |  |
T. Rowe Price investment products | 252.3 |  |  | 277.4 |
26% interest in UTI Asset Management Company Limited (India) | 140.9 |  |  | 155.8 |
Investment partnerships | 5.3 |  |  | 4.8 |
Trading investments |  |  |
T. Rowe Price investment products designated as an economic hedge of supplemental savings plan liability | — |  |  | 268.2 |
T. Rowe Price investment products | 75.4 |  |  | 95.0 |
Cost method investments | 73.6 |  |  | 78.0 |
U.S. Treasury note | 1.0 |  |  | 1.0 |
Total | $ | 1,257.5 |  |  | $ | 1,477.3 |
Net impact of deconsolidation and consolidation on condensed consolidated balance sheets and income statements | The net impact of these changes on our consolidated balance sheets and income statements as of the dates the portfolios were deconsolidated or reconsolidated is detailed below.
(in millions) | 2015 |  | 2016 |  | 2017
Net increase (decrease) in assets of consolidated T. Rowe Price investment products | $ | (20.3 | ) |  | $ | (1,342.8 | ) |  | $ | (1,397.2 | )
Net increase (decrease) in liabilities of consolidated T. Rowe Price investment products | $ | — |  |  | $ | (37.3 | ) |  | $ | (153.1 | )
Net increase (decrease) in redeemable non-controlling interests | $ | — |  |  | $ | (967.3 | ) |  | $ | (1,042.6 | )
Gains (losses) recognized upon deconsolidation | $ | (5.8 | ) |  | $ | 2.2 |  |  | $ | .1 |
Available-for-sale T. Rowe Price investment products | These investments include:
| Aggregate cost |  | Unrealized holding |  | Aggregate fair value
(in millions) |  | gains |  | losses |
December 31, 2016 |  |  |  |  |  |  |
Stock and blended asset funds | $ | 162.9 |  |  | $ | 88.0 |  |  | $ | (1.9 | ) |  | $ | 249.0 |
Bond funds | 463.3 |  |  | 1.7 |  |  | (5.0 | ) |  | 460.0 |
Total | $ | 626.2 |  |  | $ | 89.7 |  |  | $ | (6.9 | ) |  | $ | 709.0 |
December 31, 2017 |  |  |  |  |  |  |
Stock and blended asset funds | $ | 106.7 |  |  | $ | 14.1 |  |  | $ | — |  |  | $ | 120.8 |
Bond funds | 480.5 |  |  | .3 |  |  | (4.5 | ) |  | 476.3 |
Total | $ | 587.2 |  |  | $ | 14.4 |  |  | $ | (4.5 | ) |  | $ | 597.1 |
Continuous unrealized loss positions | The following table details the number of holdings, the unrealized holding losses, and the aggregate fair value of T. Rowe Price investment products held as available-for-sale with unrealized losses categorized by the length of time they have been in a continuous unrealized loss position:
(in millions) | Number of holdings |  | Unrealized holding losses |  | Aggregate fair value
December 31, 2016 |  |  |  |  |
Less than 12 months | 8 |  | $ | (4.2 | ) |  | $ | 328.1 |
12 months or more | 2 |  |  | (2.7 | ) |  | 169.5 |
Total | 10 |  | $ | (6.9 | ) |  | $ | 497.6 |
December 31, 2017 |  |  |  |  |
Less than 12 months | 2 |  | $ | (.4 | ) |  | $ | 213.2 |
12 months or more | 2 |  |  | (4.1 | ) |  | 191.5 |
Total | 4 |  | $ | (4.5 | ) |  | $ | 404.7 |
Maximum risk of loss related to investments in variable interest entities | Our maximum risk of loss related to our involvement with these entities is as follows:
(in millions) | 2016 |  | 2017
Investment carrying values | $ | 149.2 |  |  | $ | 129.2 |
Unfunded capital commitments | 46.4 |  |  | 38.8 |
Uncollected investment advisory and administrative fees | 5.9 |  |  | 7.7 |
| $ | 201.5 |  |  | $ | 175.7 |

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