| Cover | May 10, 2021 | Mar. 30, 2021 |
| Document Information [Line Items] | ||
| Document Type | 8-K/A | |
| Document Period End Date | May 10, 2021 | |
| Entity Registrant Name | UWM HOLDINGS CORPORATION | |
| Entity Incorporation, State or Country Code | DE | |
| Entity Tax Identification Number | 84-2124167 | |
| Entity Address, Address Line One | 585 South Boulevard E. | |
| Entity Address, City or Town | Pontiac, | |
| Entity Address, State or Province | MI | |
| Entity Address, Postal Zip Code | 48341 | |
| City Area Code | (800) | |
| Local Phone Number | 981-8898 | |
| Written Communications | false | |
| Soliciting Material | false | |
| Pre-commencement Tender Offer | false | |
| Pre-commencement Issuer Tender Offer | false | |
| Entity Emerging Growth Company | false | |
| Amendment Flag | false | |
| Entity Central Index Key | 0001783398 | |
| Entity File Number | 001-39189 | |
| Common Class A | ||
| Document Information [Line Items] | ||
| Title of 12(b) Security | Class A Common Stock, par value $0.0001 per share | |
| Trading Symbol | UWMC | |
| Security Exchange Name | NYSE | |
| Warrants | ||
| Document Information [Line Items] | ||
| Title of 12(b) Security | Warrants, each warrant exercisable for one share of Class A Common Stock | |
| Trading Symbol | UWMCWS | |
| Security Exchange Name | NYSE |
