Equity Activity (Tables)

3 Months Ended

Mar. 31, 2026

Stockholders' Equity Note [Abstract]

Reclassifications and taxes related to items of other comprehensive income

($ in millions)	Before Tax Amount		Tax (Expense)/ Benefit		Net of Tax Amount
For the three months ended March 31, 2026:
Other comprehensive income/(loss):
Foreign currency translation adjustments	$	136	$	(116)	$	20
Net unrealized gains/(losses) on available-for-sale securities	$	0	$	0	$	0
Unrealized gains/(losses) on cash flow hedges:
Unrealized gains/(losses) arising during the period	$	(175)	$	42	$	(133)
Reclassification of (gains)/losses to:
Cost of services	15		(4)		11
Cost of sales	(1)		1		0
Cost of financing	1		0		1
SG&A expense	1		0		1
Other (income) and expense	320		(80)		240
Interest expense	6		(1)		4
Total unrealized gains/(losses) on cash flow hedges	$	167	$	(43)	$	124
Retirement-related benefit plans: (1)
Prior service costs/(credits)	$	—	$	—	$	—
Net gains/(losses) arising during the period	1		0		1
Curtailments and settlements	2		0		1
Amortization of prior service costs/(credits)	9		(2)		7
Amortization of net (gains)/losses	198		(52)		146
Total retirement-related benefit plans	$	209	$	(54)	$	155
Other comprehensive income/(loss)	$	512	$	(213)	$	299

(1)These accumulated other comprehensive income (AOCI) components are included in the computation of net periodic pension cost. Refer to note 18, “Retirement-Related Benefits,” for additional information.

($ in millions)	Before Tax Amount		Tax (Expense)/ Benefit		Net of Tax Amount
For the three months ended March 31, 2025:
Other comprehensive income/(loss):
Foreign currency translation adjustments	$	(343)	$	203	$	(139)
Net unrealized gains/(losses) on available-for-sale securities	$	8	$	(2)	$	6
Unrealized gains/(losses) on cash flow hedges:
Unrealized gains/(losses) arising during the period	$	(58)	$	16	$	(42)
Reclassification of (gains)/losses to:
Cost of services	2		0		2
Cost of sales	(8)		2		(5)
Cost of financing	1		0		1
SG&A expense	(3)		1		(2)
Other (income) and expense	(322)		81		(241)
Interest expense	6		(2)		5
Total unrealized gains/(losses) on cash flow hedges	$	(382)	$	98	$	(283)
Retirement-related benefit plans: (1)
Prior service costs/(credits)	$	0	$	0	$	0
Net gains/(losses) arising during the period	0		0		0
Curtailments and settlements	2		0		2
Amortization of prior service costs/(credits)	(2)		1		(1)
Amortization of net (gains)/losses	151		(41)		111
Total retirement-related benefit plans	$	151	$	(40)	$	111
Other comprehensive income/(loss)	$	(566)	$	259	$	(306)

(1)These AOCI components are included in the computation of net periodic pension cost. Refer to note 18, “Retirement-Related Benefits,” for additional information.

Accumulated other comprehensive income/(loss) (net of tax)

($ in millions)	Foreign Currency Translation Adjustments (1)		Net Unrealized Gains/(Losses) on Available- For-Sale Securities		Net Unrealized Gains/(Losses) on Cash Flow Hedges		Net Change Retirement- Related Benefit Plans		Accumulated Other Comprehensive Income/(Loss)
January 1, 2026	$	(3,956)	$	0	$	(157)	$	(11,600)	$	(15,713)
Other comprehensive income before reclassifications	20		0		(133)		1		(113)
Amount reclassified from accumulated other comprehensive income	—		—		258		154		412
Total change for the period	$	20	$	0	$	124	$	155	$	299
March 31, 2026	$	(3,936)	$	(1)	$	(32)	$	(11,445)	$	(15,415)

($ in millions)	Foreign Currency Translation Adjustments (1)		Net Unrealized Gains/(Losses) on Available- For-Sale Securities		Net Unrealized Gains/(Losses) on Cash Flow Hedges		Net Change Retirement- Related Benefit Plans		Accumulated Other Comprehensive Income/(Loss)
January 1, 2025	$	(3,512)	$	0	$	237	$	(11,994)	$	(15,269)
Other comprehensive income before reclassifications	(139)		6		(42)		0		(176)
Amount reclassified from accumulated other comprehensive income	—		—		(241)		111		(130)
Total change for the period	$	(139)	$	6	$	(283)	$	111	$	(306)
March 31, 2025	$	(3,651)	$	6	$	(46)	$	(11,884)	$	(15,575)

(1)Foreign currency translation adjustments are presented gross except for any associated hedges which are presented net of tax.