Investments - Schedule of Income (Loss) from Principal Investments (Details) - Principal investment income (loss) from equity method investments (excluding performance allocations) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Schedule of Investments [Line Items]
Principal investment income from equity method investments	$ 76.3	$ (62.7)
Global Private Equity
Schedule of Investments [Line Items]
Principal investment income from equity method investments	54.1	(95.6)
Global Credit
Schedule of Investments [Line Items]
Principal investment income from equity method investments	11.9	19.2
Carlyle AlpInvest
Schedule of Investments [Line Items]
Principal investment income from equity method investments	$ 10.3	$ 13.7

Investments - Schedule of Income (Loss) from Principal Investments (Details) - Principal investment income (loss) from equity method investments (excluding performance allocations) - USD ($)
$ in Millions

3 Months Ended

Mar. 31, 2026

Mar. 31, 2025

Schedule of Investments [Line Items]

Principal investment income from equity method investments

$ 76.3

$ (62.7)

Global Private Equity

Schedule of Investments [Line Items]

Principal investment income from equity method investments

54.1

(95.6)

Global Credit

Schedule of Investments [Line Items]

Principal investment income from equity method investments

11.9

19.2

Carlyle AlpInvest

Schedule of Investments [Line Items]

Principal investment income from equity method investments

$ 10.3

$ 13.7

- Definition

Amount of income (loss) for proportionate share of equity method investee's income (loss).

+ References + Details

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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+ Details