| Intangible asset balances by major asset class |
| | | | | | | | | | | | At March 31, 2022 | | | Gross Carrying | | Accumulated | | Net Carrying | (Dollars in millions) | | Amount | | Amortization | | Amount* | Intangible asset class: | | | | | | | | | | Capitalized software | | $ | 1,805 | | $ | (729) | | $ | 1,076 | Client relationships | | | 9,013 | | | (3,017) | | | 5,996 | Completed technology | | | 6,092 | | | (2,427) | | | 3,665 | Patents/trademarks | | | 2,192 | | | (624) | | | 1,567 | Other** | | | 38 | | | (30) | | | 8 | Total | | $ | 19,140 | | $ | (6,828) | | $ | 12,312 |
| | | | | | | | | | | | At December 31, 2021 | | | Gross Carrying | | Accumulated | | Net Carrying | (Dollars in millions) | | Amount | | Amortization | | Amount* | Intangible asset class: | | | | | | | | | | Capitalized software | | $ | 1,696 | | $ | (751) | | $ | 945 | Client relationships | | | 9,021 | | | (2,889) | | | 6,132 | Completed technology | | | 6,074 | | | (2,259) | | | 3,815 | Patents/trademarks | | | 2,196 | | | (586) | | | 1,610 | Other** | | | 44 | | | (35) | | | 9 | Total | | $ | 19,031 | | $ | (6,520) | | $ | 12,511 |
* Amounts as of March 31, 2022 and December 31, 2021 include a decrease in net intangible asset balances of $60 million and $221 million, respectively, due to foreign currency translation. ** | Other intangibles are primarily acquired proprietary and non-proprietary business processes, methodologies and systems. |
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| Intangible assets, future amortization expense |
| | | | | | | | | | | | Capitalized | | Acquired | | | | (Dollars in millions) | | Software | | Intangibles | | Total | Remainder of 2022 | | $ | 459 | | $ | 1,377 | | $ | 1,836 | 2023 | | | 404 | | | 1,535 | | | 1,938 | 2024 | | | 203 | | | 1,487 | | | 1,690 | 2025 | | | 10 | | | 1,470 | | | 1,480 | 2026 | | | 0 | | | 1,453 | | | 1,453 | Thereafter | | | 0 | | | 3,915 | | | 3,915 |
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| Changes in goodwill balances by reportable segment |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Foreign | | | | | | | | | | | | | Currency | | | | | | | | | Purchase | | | | Translation | | | (Dollars in millions) | | Balance | | Goodwill | | Price | | | | and Other | | Balance | Segment | | 1/1/2022 | | Additions | | Adjustments | | Divestitures | | Adjustments* | | 3/31/2022 | Software | | $ | 43,966 | | $ | 188 | | $ | (27) | | $ | — | | $ | (99) | | $ | 44,027 | Consulting | | | 6,797 | | | 461 | | | (3) | | | — | | | (49) | | | 7,205 | Infrastructure | | | 4,396 | | | — | | | — | | | (1) | | | (5) | | | 4,390 | Other | | | 484 | | | — | | | — | | | — | | | — | | | 484 | Total | | $ | 55,643 | | $ | 649 | | $ | (31) | | $ | (1) | | $ | (153) | | $ | 56,106 |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Foreign | | | | | | | | | | | | | | Currency | | | | | | | | | Purchase | | | | Translation | | | (Dollars in millions) | | Balance | | Goodwill | | Price | | | | and Other | | Balance | Segment | | 1/1/2021 | | Additions | | Adjustments | | Divestitures | | Adjustments* | | 12/31/2021 | Software** | | $ | 42,665 | | $ | 1,836 | | $ | 23 | | $ | (13) | | $ | (545) | | $ | 43,966 | Consulting | | | 6,145 | | | 713 | | | (21) | | | — | | | (40) | | | 6,797 | Infrastructure | | | 4,436 | | | — | | | 0 | | | — | | | (39) | | | 4,396 | Other** | | | 520 | | | — | | | — | | | (37) | | | 1 | | | 484 | Total | | $ | 53,765 | | $ | 2,549 | | $ | 2 | | $ | (50) | | $ | (623) | | $ | 55,643 |
* | Primarily driven by foreign currency translation. |
** | Recast to conform to current year presentation due to segment change. |
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