Weighted Average Shares Outstanding (Tables)

3 Months Ended

Mar. 31, 2022

Earnings Per Share [Abstract]

Schedule of Weighted Average Number of Shares [Table Text Block]

	Three Months Ended March 31,
(in millions)	2022	2021
Weighted average shares outstanding — basic	1,427.8	1,418.7
Net effect of common stock equivalents	10.6	12.1
Weighted average shares outstanding - assuming dilution	1,438.4	1,430.8

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following securities were excluded from the calculation of weighted average shares outstanding - assuming dilution because their effect in the periods presented below would have been anti-dilutive:

	Three Months Ended March 31,
(in millions)	2022	2021
Stock options outstanding(1)	3	6
MCPS(2)	24	24

(1)    Represents stock options outstanding pursuant to our employee stock-based compensation plans with exercise prices that were greater than the average fair market value of our common stock for the related periods.

(2)    Represents common stock issuable upon the conversion of MCPS. Refer to Note I – Stockholders' Equity for additional information.