Stock Plans (Tables)

12 Months Ended

Dec. 31, 2022

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Weighted-Average Black-Scholes Fair Value Assumptions

Our weighted-average Black-Scholes Model fair value assumptions were:

	Risk-Free Interest Rate	Expected Life	Expected Volatility	Expected Dividend Yield	Fair Value at Grant Date
2022	1.87%	5 years	22.05%	2.13%	$11.24
2021	0.57%	5 years	23.45%	2.20%	$9.08
2020	1.34%	5 years	19.64%	2.06%	$8.61

Schedule of Stock Options Activity

Stock option activity is reflected below:

	Shares Subject to Option	Weighted- Average Exercise or Grant Price Per Share		Average Remaining Contractual Term	Aggregate Intrinsic Value
Balance at January 1, 2020	33,855,948	$	36.19		$	640	million
Annual grant to eligible employees	2,280,440	59.04
Additional options issued	136,360	49.48
Total options granted	2,416,800	58.50
Options exercised (1)	(7,847,964)	30.55			$	205	million
Options cancelled	(672,890)	44.94
Balance at December 31, 2020	27,751,894	39.51			$	527	million
Annual grant to eligible employees	2,412,710	56.13
Additional options issued	160,640	58.17
Total options granted	2,573,350	56.26
Options exercised (1)	(6,249,330)	33.68			$	169	million
Options cancelled	(572,155)	49.65
Balance at December 31, 2021	23,503,759	42.65			$	556	million
Annual grant to eligible employees	2,180,540	64.65
Additional options issued	63,490	64.39
Total options granted	2,244,030	64.64
Options exercised (1)	(4,780,086)	35.96			$	142	million
Options cancelled	(477,453)	55.89
Balance at December 31, 2022	20,490,250	46.31		5 years	$	417	million
Exercisable at December 31, 2022	16,350,018	42.62		4 years	$	393	million

(1)Cash received from options exercised was $158 million in 2022, $206 million in 2021 and $236 million in 2020. The actual tax benefit realized and recorded in the provision for income taxes for the tax deductions from the option exercises totaled $22 million in 2022, $24 million in 2021 and $27 million in 2020.

Deferred units, performance share units and other stock-based awards

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Deferred Stock Units, Performance Share Units and Restricted Stock Activity

Our PSU, DSU and other stock-based award activity is reflected below:

	Number of Shares	Grant Date	Weighted-Average Fair Value Per Share (4)		Weighted-Average Aggregate Fair Value (3)
Balance at January 1, 2020	5,661,945		$	46.90
Annual grant to eligible employees:		Feb. 20, 2020
Performance share units	825,230		65.83
Deferred stock units	545,550		59.04
Additional shares granted (1)	390,730	Various	56.90
Total shares granted	1,761,510		61.75		$	109	million
Vested (2) (3)	(2,051,054)		42.87		$	88	million
Forfeited (2)	(475,411)		48.24
Balance at December 31, 2020	4,896,990		53.80
Annual grant to eligible employees:		Feb. 18, 2021
Performance share units	903,250		59.35
Deferred stock units	550,090		56.13
Additional shares granted (1)	1,163,644	Various	53.76
Total shares granted	2,616,984		56.19		$	147	million
Vested (2) (3)	(2,459,427)		49.59		$	122	million
Forfeited (2)	(386,501)		57.52
Balance at December 31, 2021	4,668,046		57.04
Annual grant to eligible employees:		Feb. 24, 2022
Performance share units	806,590		61.87
Deferred stock units	505,090		64.65
Additional shares granted (1)	836,117	Various	59.37
Total shares granted	2,147,797		61.55		$	132	million
Vested (2) (3)	(1,925,556)		54.13		$	104	million
Forfeited (2)	(438,613)		60.68
Balance at December 31, 2022	4,451,674		60.12

(1)Includes PSUs and DSUs.

(2)Includes PSUs, DSUs and other stock-based awards.

(3)The actual tax benefit realized and recorded in the provision for income taxes for the tax deductions from the shares vested totaled $5 million in 2022, $6 million in 2021 and $5 million in 2020.

(4)The grant date fair value of PSUs is determined based on the Monte Carlo simulation model for the market-based total shareholder return component and the closing market price of the Company’s stock on the grant date for performance-based components. The Monte Carlo simulation model incorporates the probability of achieving the total shareholder return market condition. Compensation expense is recognized using the grant date fair values regardless of whether the market condition is achieved, so long as the requisite service has been provided.