Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2024

Share-Based Payment Arrangement [Abstract]

Schedule of Stock Based Compensation Activity

The activity related to RSUs consisted of (in thousands of shares):

			Number of Shares	Weighted Average Grant Date Fair Value		Weighted Average Remaining Contractual Term (years)	Aggregate Intrinsic Value (in millions)
Time-based RSUs
	Outstanding at January 1, 2024		290	$	161.87
		Granted (a)	120	113.10
		Vested (b)	(90)	125.57
		Forfeited	(1)	180.27
	Outstanding and expected to vest at March 31, 2024 (c)		319	$	153.71	1.6	$	39
Performance-based RSUs
	Outstanding at January 1, 2024		411	$	128.77
		Granted (a)	144	113.10
		Vested (b)	(222)	68.54
		Forfeited	(1)	154.07
	Outstanding at March 31, 2024		332	$	162.12	2.1	$	41
	Outstanding and expected to vest at March 31, 2024 (c)		199	$	156.64	2.1	$	24

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(a)Reflects the maximum number of stock units assuming achievement of all performance- and time-vesting criteria and does not include those for non-employee directors. The weighted-average fair value of time-based RSUs and performance-based RSUs granted during the three months ended March 31, 2023 was $208.84.

(b)The total fair value of RSUs vested during the three months ended March 31, 2024 and 2023 was $27 million and $17 million, respectively.

(c)Aggregate unrecognized compensation expense related to time-based RSUs and performance-based RSUs amounted to $57 million and will be recognized over a weighted average vesting period of 1.8 years.