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Debt (Tables)
3 Months Ended
Mar. 31, 2022
Debt Disclosure [Abstract]  
Revolving credit facilities
The following table summarizes the revolving credit agreements as of March 31, 2022:
TDSUScellular
(Dollars in millions)
Maximum borrowing capacity$400 $300 
Letters of credit outstanding$$— 
Amount borrowed$— $— 
Amount available for use$399 $300 
The following table summarizes the term loan credit agreements as of March 31, 2022:
TDSUScellular
(Dollars in millions)
Maximum borrowing capacity$500 $800 
Amount borrowed and outstanding$349 $699 
Amount borrowed and repaid$$
Amount available for use$150 $100