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Earnings Per Share (Tables)
3 Months Ended
Mar. 31, 2023
Earnings Per Share [Abstract]  
Earnings per share
The amounts used in computing basic and diluted earnings per share attributable to TDS common shareholders were as follows:
Three Months Ended
March 31,
 20232022
(Dollars and shares in millions, except per share amounts)  
Net income (loss) attributable to TDS common shareholders used in basic earnings (loss) per share$(9)$44 
Adjustments to compute diluted earnings:
Noncontrolling interest adjustment (1)
Net income (loss) attributable to TDS common shareholders used in diluted earnings (loss) per share$(9)$43 
Weighted average number of shares used in basic earnings (loss) per share:
Common Shares106 108 
Series A Common Shares7 
Total113 115 
Effects of dilutive securities 
Weighted average number of shares used in diluted earnings (loss) per share113 116 
Basic earnings (loss) per share attributable to TDS common shareholders$(0.08)$0.38 
Diluted earnings (loss) per share attributable to TDS common shareholders$(0.08)$0.37