Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2023

Stock-Based Compensation

Schedule of stock option activity

				Weighted
				Average	Aggregate
		Weighted		Remaining	Intrinsic
		Average		Contractual	Value
	Options	Exercise Price		Term (in years)	(in millions)
Options outstanding at January 1, 2023	66,135,037	$	45.57	6.03	$	2,027.2
Options granted	29,900		79.74
Options exercised	(2,568,529)		31.58
Options forfeited	(58,420)		53.54
Options outstanding at March 31, 2023	63,537,988		46.14	5.89		1,911.4
Options granted	5,909,147		75.80
Options exercised	(2,678,572)		37.26
Options forfeited	(284,616)		54.97
Options outstanding at June 30, 2023	66,483,947		49.10	6.07		2,384.3
Options granted	57,541		83.53
Options exercised	(4,007,400)		35.62
Options forfeited	(99,442)		65.23
Options outstanding at September 30, 2023	62,434,646	$	49.97	5.98	$	2,125.3
Vested and non-vested options expected to vest at September 30, 2023	60,609,087	$	49.56	5.91	$	2,088.0
Exercisable options at September 30, 2023	39,792,545	$	42.50	4.83	$	1,651.2

Summary of status of non-vested options and changes during the year

		Weighted
		Average
		Fair Value at
	Options	Grant Date
Non-vested options at January 1, 2023	26,721,012	$	11.04
Options granted	29,900		20.87
Options vested	(150,468)		15.32
Options forfeited	(58,420)		10.45
Non-vested options at March 31, 2023	26,542,024		11.03
Options granted	5,909,147		21.36
Options vested	(9,421,232)		9.15
Options forfeited	(268,616)		11.13
Non-vested options at June 30, 2023	22,761,323		14.48
Options granted	57,541		23.93
Options vested	(61,321)		11.54
Options forfeited	(115,442)		13.68
Non-vested options at September 30, 2023	22,642,101	$	14.52

Summary of activity in the option plans

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2023		2022		2023		2022
Total intrinsic value of stock options exercised	$	208.4	$	82.2	$	447.9	$	151.4
Total fair value of stock options vested		0.7		0.7		89.3		79.4