Earnings Per Share

12 Months Ended

Dec. 31, 2023

Note 6 Earnings Per Share

Basic earnings (loss) per share attributable to TDS common shareholders is computed by dividing Net income (loss) attributable to TDS common shareholders by the weighted average number of Common Shares outstanding during the period. Diluted earnings (loss) per share attributable to TDS common shareholders is computed by dividing Net income (loss) attributable to TDS common shareholders by the weighted average number of Common Shares outstanding during the period adjusted to include the effects of potentially dilutive securities. Potentially dilutive securities primarily include incremental shares issuable upon the exercise of outstanding stock options and the vesting of performance and restricted stock units, as calculated using the treasury stock method.

The amounts used in computing basic and diluted earnings (loss) per share attributable to TDS common shareholders were as follows:


Year Ended December 31,	2023		2022		2021
(Dollars and shares in millions, except per share amounts)
Net income (loss) attributable to TDS common shareholders used in basic earnings (loss) per share	$	(569)	$	(7)	$	117
Adjustments to compute diluted earnings (loss):
Noncontrolling interest adjustment	(1)		(1)		(1)
Net income (loss) attributable to TDS common shareholders used in diluted earnings (loss) per share	$	(570)	$	(8)	$	116

Weighted average number of shares used in basic earnings (loss) per share:
Common Shares	106		107		108
Series A Common Shares	7		7		7
Total	113		114		115

Effects of dilutive securities	—		—		1
Weighted average number of shares used in diluted earnings (loss) per share	113		114		116

Basic earnings (loss) per share attributable to TDS common shareholders	$	(5.05)	$	(0.07)	$	1.03

Diluted earnings (loss) per share attributable to TDS common shareholders	$	(5.06)	$	(0.07)	$	1.00

Certain Common Shares issuable upon the exercise of stock options or vesting of performance and restricted stock units were not included in weighted average diluted shares outstanding for the calculation of Diluted earnings (loss) per share attributable to TDS common shareholders because their effects were antidilutive. The number of such Common Shares excluded was 6 million, 5 million and 4 million for 2023, 2022 and 2021, respectively.