Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2021

Earnings Per Share [Abstract]

Reconciliation of basic and diluted earnings (loss) per share

The following is a reconciliation of basic and diluted earnings per share from continuing operations for the years ended December 31, 2021, 2020 and 2019:

In millions, except per share amounts	2021		2020		2019
Numerator for earnings per share calculation:
Income from continuing operations	$	7,898	$	7,201	$	6,631
Income allocated to participating securities	—		—		(5)
Net (income) loss attributable to noncontrolling interests	12		(13)		3
Income from continuing operations attributable to CVS Health	$	7,910	$	7,188	$	6,629
Denominator for earnings per share calculation:
Weighted average shares, basic	1,319		1,309		1,301
Effect of dilutive securities	10		5		4
Weighted average shares, diluted	1,329		1,314		1,305
Earnings per share from continuing operations:
Basic	$	6.00	$	5.49	$	5.10
Diluted	$	5.95	$	5.47	$	5.08