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Noncontrolling Interests (Tables)
12 Months Ended
Dec. 31, 2022
Noncontrolling Interest [Abstract]  
Noncontrolling interests
The following schedule discloses the effects of Net income attributable to TDS shareholders and changes in TDS’ ownership interest in UScellular on TDS’ equity:
Year Ended December 31,202220212020
(Dollars in millions)   
Net income attributable to TDS shareholders$62 $156 $226 
Transfers (to) from noncontrolling interests
Change in TDS’ Capital in excess of par value from UScellular's issuance of UScellular shares(19)(49)(38)
Change in TDS’ Capital in excess of par value from UScellular’s repurchases of UScellular shares35 17 14 
Purchase of ownership in subsidiaries from noncontrolling interests — (9)
Net transfers (to) from noncontrolling interests16 (32)(33)
Net income attributable to TDS shareholders after transfers (to) from noncontrolling interests$78 $124 $193