Earnings (Loss) Per Share

9 Months Ended

Sep. 30, 2021

The number of weighted-average shares outstanding used in the computations of basic and diluted earnings (loss) per share are as follows.


	For the Three Month Period Ended September 30,		For the Nine Month Period Ended September 30,
	2021	2020	2021	2020

Average shares outstanding
Basic	412.3	417.6	417.1	370.8
Diluted	418.5	422.0	423.7	370.8

For the three month periods ended September 30, 2021 and 2020, 0.7 million and 5.6 million, respectively, of anti-dilutive shares were not included in the computation of diluted earnings per share. For the nine month period ended September 30, 2021, 0.7 million of anti-dilutive shares were not included in the computation of diluted earnings per share. For the nine month period ended September 30, 2020, 7.8 million of potentially dilutive stock-based awards were not included in the computation of diluted loss per share as we incurred a net loss during the period.