Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2021

Stock-Based Compensation

Stock-based compensation cost included in income from continuing operations

($ in millions)
For the year ended December 31:	2021		2020		2019
Cost	$	145	$	126	$	85
SG&A expense		555		550		419
RD&E expense		218		197		125
Pre-tax stock-based compensation cost		919		873		628
Income tax benefits		(223)		(198)		(143)
Net stock-based compensation cost	$	695	$	675	$	484

Summary of Restricted Stock Units activity

	RSUs			PSUs
	Weighted-Average			Weighted-Average
	Grant Price		Number of Units	Grant Price		Number of Units
Balance at January 1, 2019	$	130	9,802,704	$	136	2,419,695
Awards granted		119	5,650,861		117	1,395,534
Awards released		136	(3,145,016)		140	(846,672)
Awards canceled/forfeited/performance adjusted		128	(981,921)		131	(112,107)	*
Balance at December 31, 2019	$	123	11,326,628	$	126	2,856,450	**
Awards granted		115	10,651,955		117	1,582,666
Awards released		126	(3,781,240)		137	(630,974)
Awards canceled/forfeited/performance adjusted		121	(1,300,639)		125	(256,642)	*
Balance at December 31, 2020	$	117	16,896,704	$	120	3,551,500	**
Awards granted		125	9,566,307		129	1,561,120
Awards released		120	(4,582,159)		129	(581,397)
Awards canceled/forfeited/performance adjusted		119	(2,072,800)		124	(453,178)	*
Kyndryl separation - adjustment		—	660,089		—	120,428
Kyndryl separation - cancellation		119	(1,429,661)		119	(469,616)
Balance at December 31, 2021	$	116	19,038,480	$	118	3,728,857	**

* Includes adjustments of (223,397), (70,089) and (8,544) PSUs for 2021, 2020 and 2019, respectively, because final performance metrics were above or below specified targets.

** Represents the number of shares expected to be issued based on achievement of grant date performance targets. The actual number of shares issued will depend on final performance against specified targets over the vesting period.

Summary of Performance Share Units activity

	RSUs			PSUs
	Weighted-Average			Weighted-Average
	Grant Price		Number of Units	Grant Price		Number of Units
Balance at January 1, 2019	$	130	9,802,704	$	136	2,419,695
Awards granted		119	5,650,861		117	1,395,534
Awards released		136	(3,145,016)		140	(846,672)
Awards canceled/forfeited/performance adjusted		128	(981,921)		131	(112,107)	*
Balance at December 31, 2019	$	123	11,326,628	$	126	2,856,450	**
Awards granted		115	10,651,955		117	1,582,666
Awards released		126	(3,781,240)		137	(630,974)
Awards canceled/forfeited/performance adjusted		121	(1,300,639)		125	(256,642)	*
Balance at December 31, 2020	$	117	16,896,704	$	120	3,551,500	**
Awards granted		125	9,566,307		129	1,561,120
Awards released		120	(4,582,159)		129	(581,397)
Awards canceled/forfeited/performance adjusted		119	(2,072,800)		124	(453,178)	*
Kyndryl separation - adjustment		—	660,089		—	120,428
Kyndryl separation - cancellation		119	(1,429,661)		119	(469,616)
Balance at December 31, 2021	$	116	19,038,480	$	118	3,728,857	**

* Includes adjustments of (223,397), (70,089) and (8,544) PSUs for 2021, 2020 and 2019, respectively, because final performance metrics were above or below specified targets.

** Represents the number of shares expected to be issued based on achievement of grant date performance targets. The actual number of shares issued will depend on final performance against specified targets over the vesting period.

Summary of total fair value of RSUs and PSUs granted and vested

($ in millions)
For the year ended December 31:	2021		2020		2019
RSUs
Granted	$	1,195	$	1,220	$	674
Vested		549		478		428
PSUs
Granted	$	201	$	186	$	164
Vested		75		86		118