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CONSOLIDATED T. ROWE PRICE INVESTMENT PRODUCTS. (Statement of Cash Flows) (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Condensed Cash Flow Statements, Captions [Line Items] |  |
Net cash provided by (used in) operating activities | $ 994.7 | $ 787.7
Net cash used in investing activities | (30.8) | 27.6
Net cash provided by financing activities | (307.5) | (992.3)
Effect of exchange rate changes on cash and cash equivalents of consolidated T. Rowe Price investment products | 0.9 | (1.2)
Net change in cash and cash equivalents during period | 657.3 | (178.2)
Cash and cash equivalents at beginning of period | 2,256.5 | 1,858.3
Cash and cash equivalents at ending of period | 2,913.8 | 1,680.1
Consolidated T. Rowe Price investment products |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |
Cash and cash equivalents at beginning of period | 104.8 | 76.5
Cash and cash equivalents at ending of period | 83.7 | 117.7
Reportable entities | Consolidated T. Rowe Price investment products |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |
Net cash provided by (used in) operating activities | (143.7) | (75.7)
Net cash used in investing activities | (27.3) | (0.8)
Net cash provided by financing activities | 149.0 | 118.9
Effect of exchange rate changes on cash and cash equivalents of consolidated T. Rowe Price investment products | 0.9 | (1.2)
Net change in cash and cash equivalents during period | (21.1) | 41.2
Cash and cash equivalents at beginning of period | 104.8 | 76.5
Cash and cash equivalents at ending of period | 83.7 | 117.7
Reportable entities | Voting interest entities |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |
Net cash provided by (used in) operating activities | (31.7) | 11.3
Net cash used in investing activities | (9.1) | (0.8)
Net cash provided by financing activities | 36.7 | 2.7
Effect of exchange rate changes on cash and cash equivalents of consolidated T. Rowe Price investment products | 0.0 | 0.0
Net change in cash and cash equivalents during period | (4.1) | 13.2
Cash and cash equivalents at beginning of period | 7.1 | 9.9
Cash and cash equivalents at ending of period | 3.0 | 23.1
Reportable entities | Variable interest entities |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |
Net cash provided by (used in) operating activities | (112.0) | (87.0)
Net cash used in investing activities | (18.2) | 0.0
Net cash provided by financing activities | 112.3 | 116.2
Effect of exchange rate changes on cash and cash equivalents of consolidated T. Rowe Price investment products | 0.9 | (1.2)
Net change in cash and cash equivalents during period | (17.0) | 28.0
Cash and cash equivalents at beginning of period | 97.7 | 66.6
Cash and cash equivalents at ending of period | 80.7 | 94.6
Consolidation eliminations | Consolidated T. Rowe Price investment products |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |
Subscriptions payment, net of dividends received | $ 34.1 | $ (42.8)

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