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Non-controlling Interest - Schedule of Non-controlling Interest Ownership (Details) - Holdings - shares	6 Months Ended	12 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Noncontrolling Interest [Line Items]
Holdings units (in shares)	1,988,843,066	1,984,693,656
Ownership percentage	100.00%	100.00%
Rocket Companies Inc.
Noncontrolling Interest [Line Items]
Holdings units (in shares)	139,963,583	135,814,173
Ownership percentage	7.03%	6.84%
Chairman
Noncontrolling Interest [Line Items]
Holdings units (in shares)	1,101,822	1,101,822
Ownership percentage	0.06%	0.06%
RHI
Noncontrolling Interest [Line Items]
Holdings units (in shares)	1,847,777,661	1,847,777,661
Ownership percentage	92.91%	93.10%

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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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-Name Accounting Standards Codification
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-Section 50
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