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Cover
Oct. 03, 2022
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Oct. 03, 2022
Entity File Number 1-10864
Entity Registrant Name UNITEDHEALTH GROUP INCORPORATED
Entity Central Index Key 0000731766
Entity Tax Identification Number 41-1321939
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One UnitedHealth Group Center
Entity Address, Address Line Two 9900 Bren Road East
Entity Address, City or Town Minnetonka
Entity Address, State or Province MN
Entity Address, Postal Zip Code 55343
City Area Code 952
Local Phone Number 936-1300
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, $.01 par value
Trading Symbol UNH
Security Exchange Name NYSE
Entity Emerging Growth Company false