Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2021

Earnings Per Share [Abstract]

Earnings Per Share

The following is a reconciliation of basic and diluted earnings per share for the respective periods:

	Three Months Ended June 30,				Six Months Ended June 30,
In millions, except per share amounts	2021		2020		2021		2020
Numerator for earnings per share calculation:
Net income attributable to CVS Health	$	2,783	$	2,975	$	5,006	$	4,982
Denominator for earnings per share calculation:
Weighted average shares, basic	1,319		1,309		1,316		1,307
Effect of dilutive securities	8		5		9		6
Weighted average shares, diluted	1,327		1,314		1,325		1,313
Earnings per share:
Basic	$	2.11	$	2.27	$	3.80	$	3.81
Diluted	$	2.10	$	2.26	$	3.78	$	3.79