Earnings Per Common Share - Weighted-Average Common Units Outstanding, Basic and Diluted (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Weighted-average common shares outstanding, basic (in shares)	355,954,734	351,567,631	354,903,371	349,468,329
Weighted-average common shares outstanding, diluted (in shares)	364,740,675	358,405,845	362,471,998	349,468,329
The Carlyle Group Inc. weighted-average common shares outstanding
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Weighted-average common shares outstanding, basic (in shares)	355,954,734	351,567,631	354,903,371	349,468,329
Weighted-average common shares outstanding, diluted (in shares)	355,954,734	351,567,631	354,903,371	349,468,329
Unvested restricted stock units
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Weighted-average common shares outstanding, basic (in shares)	0	0	0	0
Weighted-average common shares outstanding, diluted (in shares)	6,716,547	4,589,870	5,582,360	0
Issuable The Carlyle Group Inc. common shares
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Weighted-average common shares outstanding, basic (in shares)	0	0	0	0
Weighted-average common shares outstanding, diluted (in shares)	2,069,394	2,248,344	1,986,267	0