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Non-controlling Interests - Summary of Ownership (Details) - Holdings - shares	Mar. 31, 2022	Dec. 31, 2021
Noncontrolling Interest [Line Items]
Holdings Units (shares)	1,968,506,487	1,975,317,186
Ownership Percentage	100.00%	100.00%
Rocket Companies Inc.
Noncontrolling Interest [Line Items]
Holdings Units (shares)	119,627,004	126,437,703
Ownership Percentage	6.08%	6.40%
Chairman
Noncontrolling Interest [Line Items]
Holdings Units (shares)	1,101,822	1,101,822
Ownership Percentage	0.05%	0.06%
RHI
Noncontrolling Interest [Line Items]
Holdings Units (shares)	1,847,777,661	1,847,777,661
Ownership Percentage	93.87%	93.54%

X

- Definition

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Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
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