Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2021

Share-based Payment Arrangement [Abstract]

Summary of stock option activity

A summary of stock option activity is as follows:

	Shares (In thousands)	Weighted-Average Exercise Price		Weighted-Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value (In millions)
Stock options outstanding - December 31, 2020	14,689	$	50.82
Granted	4	102.69
Forfeited	(18)	104.04
Exercised	(1,598)	34.37
Stock options outstanding - March 31, 2021	13,077	$	52.77	4.57	$	867
Stock options exercisable - March 31, 2021	11,578	$	46.08	4.04	$	845

Summary of restricted stock and performance activity

A summary of restricted stock unit, restricted stock award and performance share unit activity is as follows:

	Restricted Stock Units and Awards			Performance Share Units
	Shares (In thousands)	Weighted-Average Grant Date Fair Value		Shares (In thousands)	Weighted-Average Grant Date Fair Value
Units - December 31, 2020	4,797	$	98.29	1,821	$	95.20
Granted	1,989	103.23		255	108.68
Forfeited	(62)	100.26		(51)	101.22
Vested	(2,008)	99.26		(223)	79.70
Units - March 31, 2021	4,716	$	99.92	1,802	$	97.17