v3.25.1
Document And Entity Information
shares in Millions
 3 Months Ended
Mar. 31, 2025
shares
Document Type 10-Q
Document Quarterly Report true
Document Period End Date Mar. 31, 2025
Document Transition Report false
Entity File Number 001-09712
Entity Registrant Name UNITED STATES CELLULAR CORPORATION
Entity Central Index Key 0000821130
Current Fiscal Year End Date --12-31
Document Fiscal Year Focus 2025
Document Fiscal Period Focus Q1
Amendment Flag false
Entity Incorporation, State or Country Code DE
Entity Tax Identification Number 62-1147325
Entity Address, Address Line One 8410 West Bryn Mawr
Entity Address, City or Town Chicago
Entity Address, State or Province IL
Entity Address, Postal Zip Code 60631
City Area Code (773)
Local Phone Number 399-8900
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Filer Category Large Accelerated Filer
Smaller Reporting Company false
Emerging Growth Company false
Entity Shell Company false
Common Shares  
Title of 12(b) Security Common Shares, $1 par value
Trading Symbol USM
Security Exchange Name NYSE
Entity Common Stock, Shares Outstanding 52
6.25% Senior Notes  
Title of 12(b) Security 6.25% Senior Notes due 2069
Trading Symbol UZD
Security Exchange Name NYSE
5.5% Senior Notes  
Title of 12(b) Security 5.50% Senior Notes due 2070
Trading Symbol UZE
Security Exchange Name NYSE
5.5% Senior Notes  
Title of 12(b) Security 5.50% Senior Notes due 2070
Trading Symbol UZF
Security Exchange Name NYSE
Series A Common Shares  
Entity Common Stock, Shares Outstanding 33