Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2020

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 September 30,				Nine Months Ended September 30,
In millions, except per share amounts	2020		2019		2020		2019
Numerator for earnings per share calculation:
Net income	$	1,219	$	1,529	$	6,217	$	4,887
Income allocated to participating securities	—		—		—		(3)
Net (income) loss attributable to noncontrolling interests	5		1		(11)		—
Net income attributable to CVS Health	$	1,224	$	1,530	$	6,206	$	4,884
Denominator for earnings per share calculation:
Weighted average shares, basic	1,310		1,302		1,308		1,300
Effect of dilutive securities	5		3		6		3
Weighted average shares, diluted	1,315		1,305		1,314		1,303
Earnings per share:
Basic	$	0.93	$	1.17	$	4.74	$	3.76
Diluted	$	0.93	$	1.17	$	4.72	$	3.75