| Intangible asset balances by major asset class |
The following tables present the company's intangible asset balances by major asset class. | | | | | | | | | | | | | | | | | | | | | | | At June 30, 2026 | | ($ in millions) | | Gross Carrying
Amount | | Accumulated
Amortization | | Net Carrying Amount (1) | | Intangible asset class: | | | | | | | | Capitalized software | | $ | 1,458 | | | $ | (482) | | | $ | 977 | | | Client relationships | | 13,331 | | | (6,202) | | | 7,128 | | | Completed technology | | 8,925 | | | (4,556) | | | 4,369 | | | Patents/trademarks | | 2,139 | | | (740) | | | 1,399 | | Other (2) | | 139 | | | (58) | | | 81 | | | Total | | $ | 25,992 | | | $ | (12,037) | | | $ | 13,955 | |
| | | | | | | | | | | | | | | | | | | | | | | At December 31, 2025 | | ($ in millions) | | Gross Carrying
Amount | | Accumulated
Amortization | | Net Carrying Amount (1) | | Intangible asset class: | | | | | | | | Capitalized software | | $ | 1,388 | | | $ | (424) | | | $ | 964 | | | Client relationships | | 11,261 | | | (5,602) | | | 5,659 | | | Completed technology | | 7,399 | | | (4,096) | | | 3,304 | | | Patents/trademarks | | 2,030 | | | (665) | | | 1,365 | | Other (2) | | 139 | | | (40) | | | 99 | | | Total | | $ | 22,218 | | | $ | (10,827) | | | $ | 11,391 | |
(1)Amounts at June 30, 2026 and December 31, 2025 include a decrease in the net intangible asset balance of $34 million and an increase in the net intangible asset balance of $182 million, respectively, due to foreign currency translation. (2)Other intangibles are primarily acquired proprietary and non-proprietary technology licenses, data, business processes, methodologies and systems.
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| Intangible assets, future amortization expense |
The future amortization expense relating to intangible assets currently recorded in the Consolidated Balance Sheet was estimated to be the following at June 30, 2026: | | | | | | | | | | | | | | | | | | | | | | ($ in millions) | | Capitalized
Software | | Acquired
Intangibles | | Total | | Remainder of 2026 | | $ | 276 | | | $ | 1,357 | | | $ | 1,633 | | | 2027 | | 428 | | | 2,666 | | | 3,094 | | | 2028 | | 237 | | | 2,361 | | | 2,598 | | | 2029 | | 36 | | | 1,680 | | | 1,716 | | | 2030 | | — | | | 1,241 | | | 1,241 | | | Thereafter | | — | | | 3,673 | | | 3,673 | |
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| Changes in goodwill balances by reportable segment |
The changes in the goodwill balances by segment for the six months ended June 30, 2026 and for the year ended December 31, 2025 were as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ($ in millions) | | Balance | | Goodwill
Additions | | Purchase Price Adjustments | | | | Foreign Currency Translation and Other Adjustments (1) | | Balance | | Segment | | 1/1/2026 | | | | Divestitures | | | 6/30/2026 | | Software | | $ | 52,987 | | | $ | 7,152 | | | $ | 4 | | | $ | — | | | $ | (292) | | | $ | 59,850 | | | Consulting | | 10,341 | | | 89 | | | (13) | | | — | | | (47) | | | 10,369 | | | Infrastructure | | 4,389 | | | — | | | 1 | | | — | | | (11) | | | 4,379 | | | | | | | | | | | | | | | | Total | | $ | 67,717 | | | $ | 7,240 | | | $ | (9) | | | $ | — | | | $ | (350) | | | $ | 74,599 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ($ in millions) | | Balance | | Goodwill
Additions | | Purchase Price Adjustments | | | | Foreign Currency Translation and Other Adjustments (1) | | Balance | Segment | | 1/1/2025 | | | | Divestitures | | | 12/31/2025 | Software | | $ | 47,136 | | | $ | 5,004 | | | $ | (8) | | | $ | — | | | $ | 855 | | | $ | 52,987 | | Consulting | | 9,206 | | | 908 | | | 10 | | | — | | | 217 | | | 10,341 | | | Infrastructure | | 4,363 | | | — | | | 0 | | | 0 | | | 26 | | | 4,389 | | | | | | | | | | | | | | | | Total | | $ | 60,706 | | | $ | 5,912 | | | $ | 1 | | | $ | 0 | | | $ | 1,098 | | | $ | 67,717 | |
(1)Primarily driven by foreign currency translation.
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