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Intangible Assets Including Goodwill (Tables)
 12 Months Ended
Dec. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible asset balances by major asset class
The following tables present the company’s intangible asset balances by major asset class.
($ in millions)
At December 31, 2025:Gross Carrying
Amount		Accumulated
Amortization
Net Carrying
Amount (1)
Intangible asset class
Capitalized software$1,388 $(424)$964 
Client relationships11,261 (5,602)5,659 
Completed technology7,399 (4,096)3,304 
Patents/trademarks2,030 (665)1,365 
Other (2)
139 (40)99 
Total$22,218 $(10,827)$11,391 
($ in millions)
At December 31, 2024:Gross Carrying
Amount		Accumulated
Amortization
Net Carrying
Amount (1)
Intangible asset class
Capitalized software$1,282 $(492)$790 
Client relationships9,704 (4,387)5,317 
Completed technology6,297 (3,164)3,132 
Patents/trademarks1,826 (519)1,307 
Other (2)
138 (24)114 
Total$19,247 $(8,587)$10,660 
(1)Amounts at December 31, 2025 and 2024 include an increase in the net intangible asset balance of $182 million and a decrease in the net intangible asset balance of $126 million, respectively, due to foreign currency translation.
(2)Other intangibles are primarily acquired proprietary and nonproprietary technology licenses, data, business processes, methodologies and systems.
Intangible assets, future amortization expense
The future amortization expense relating to intangible assets currently recorded in the Consolidated Balance Sheet is estimated to be the following at December 31, 2025:
($ in millions)Capitalized
Software		Acquired
Intangibles		Total
2026$490 $2,283 $2,773 
2027333 2,245 2,578 
2028141 1,939 2,081 
20290 1,254 1,254 
2030— 812 812 
Thereafter— 1,894 1,894 
Changes in goodwill balances by reportable segment
The changes in the goodwill balances by reportable segment for the years ended December 31, 2025 and 2024 are as follows:
($ in millions) 
SegmentBalance at January 1, 2025Goodwill
Additions		Purchase
Price
Adjustments		 Divestitures
Foreign
Currency
Translation
and Other
Adjustments (1)
Balance at December 31, 2025
Software$47,136 $5,004 $(8)$— $855 $52,987 
Consulting9,206 908 10 — 217 10,341 
Infrastructure4,363 — 0 0 26 4,389 
Other— — — — — — 
Total$60,706 $5,912 $1 $0 $1,098 $67,717 
($ in millions) 
SegmentBalance at January 1, 2024Goodwill
Additions		Purchase
Price
Adjustments		Divestitures
Foreign
Currency
Translation
and Other
Adjustments (1)
Balance at December 31, 2024
Software$46,447 $1,511 $(51)$— $(770)$47,136 
Consulting8,883 469 (3)(1)(142)9,206 
Infrastructure4,384 8 (1)— (28)4,363 
Other (2)
464 — — (464)— — 
Total$60,178 $1,987 $(55)$(465)$(940)$60,706 
(1)Primarily driven by foreign currency translation.
(2)In the first quarter of 2024, the company derecognized goodwill related to the divestiture of The Weather Company assets. Refer to note E, "Acquisitions & Divestitures," for additional information.