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Fair Value Measurements (Tables)
9 Months Ended
Sep. 30, 2023
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 Hierarchy
September 30, 2023December 31, 2022
Book Value
Fair Value
Book Value
Fair Value
(Dollars in millions)
Long-term debt
Retail2$1,500 $1,018 $1,500 $899 
Institutional2536 430 536 395 
Other2923 923 1,208 1,208