XML 53 R30.htm IDEA: XBRL DOCUMENT v3.22.0.1
Fair Value Measurements (Table)
12 Months Ended
Dec. 31, 2021
Fair Value Disclosures [Abstract]  
Fair value measurements
UScellular has applied the provisions of fair value accounting for purposes of computing the fair value of financial instruments for disclosure purposes as displayed below.
 Level within the Fair Value HierarchyDecember 31, 2021December 31, 2020
 Book ValueFair ValueBook ValueFair Value
(Dollars in millions)     
Long-term debt
Retail
2$1,500 $1,594 $1,917 $1,962 
Institutional
2535 659 535 707 
Other
2746 746 106 106