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CONSOLIDATED T. ROWE PRICE INVESTMENT PRODUCTS - Net Assets (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | --- | --- | ---
Condensed Balance Sheet Statements, Captions [Line Items] |  |  |  |
Cash and cash equivalents | $ 1,523.1 | $ 2,151.7 |  |
Investments | 2,975.5 | 3,250.8 |  |
Other assets | 445.3 | 219.2 |  |
Total assets | 12,509.0 | 10,659.0 |  |
Liabilities | 2,255.3 | 1,390.3 |  |
Attributable to redeemable non-controlling interests | 982.3 | 1,561.7 | $ 1,121.0 | $ 740.3
Consolidated T. Rowe Price investment products |  |  |  |
Condensed Balance Sheet Statements, Captions [Line Items] |  |  |  |
Net assets | 1,911.3 | 2,637.8 |  |
Attributable to T. Rowe Price Group | 929.0 | 1,076.1 |  |
Attributable to redeemable non-controlling interests | 982.3 | 1,561.7 |  |
VOE |  |  |  |
Condensed Balance Sheet Statements, Captions [Line Items] |  |  |  |
Net assets | 186.0 | 188.1 |  |
Attributable to T. Rowe Price Group | 125.3 | 130.7 |  |
Attributable to redeemable non-controlling interests | 60.7 | 57.4 |  |
VIE |  |  |  |
Condensed Balance Sheet Statements, Captions [Line Items] |  |  |  |
Total assets | 692.7 |  |  |
Liabilities | 56.4 |  |  |
Net assets | 1,725.3 | 2,449.7 |  |
Attributable to T. Rowe Price Group | 803.7 | 945.4 |  |
Attributable to redeemable non-controlling interests | 921.6 | 1,504.3 |  |
Reportable entities | Consolidated T. Rowe Price investment products |  |  |  |
Condensed Balance Sheet Statements, Captions [Line Items] |  |  |  |
Cash and cash equivalents | 101.1 | 104.8 |  |
Investments | 1,833.9 | 2,560.9 |  |
Other assets | 27.8 | 29.8 |  |
Total assets | 1,962.8 | 2,695.5 |  |
Liabilities | 51.5 | 57.7 |  |
Net assets | 1,911.3 | 2,637.8 |  |
Reportable entities | Consolidated T. Rowe Price investment products | T. Rowe Price investment products |  |  |  |
Condensed Balance Sheet Statements, Captions [Line Items] |  |  |  |
Investments | 42.5 | 26.9 |  |
Reportable entities | Consolidated T. Rowe Price investment products | T. Rowe Price investment products | Money market mutual funds |  |  |  |
Condensed Balance Sheet Statements, Captions [Line Items] |  |  |  |
Cash and cash equivalents | 6.5 | 7.0 |  |
Reportable entities | VOE |  |  |  |
Condensed Balance Sheet Statements, Captions [Line Items] |  |  |  |
Cash and cash equivalents | 7.3 | 7.1 |  |
Investments | 188.9 | 188.2 |  |
Other assets | 5.1 | 2.8 |  |
Total assets | 201.3 | 198.1 |  |
Liabilities | 15.3 | 10.0 |  |
Net assets | 186.0 | 188.1 |  |
Reportable entities | VIE |  |  |  |
Condensed Balance Sheet Statements, Captions [Line Items] |  |  |  |
Cash and cash equivalents | 93.8 | 97.7 |  |
Investments | 1,645.0 | 2,372.7 |  |
Other assets | 22.7 | 27.0 |  |
Total assets | 1,761.5 | 2,497.4 |  |
Liabilities | 36.2 | 47.7 |  |
Net assets | $ 1,725.3 | $ 2,449.7 |  |

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