| GOODWILL AND OTHER INTANGIBLE ASSETS The following table summarizes changes in the carrying amount of goodwill during the nine months ended September 30, 2026. | | | | | | | | | | | | | | In millions | Semiconductor Technologies | Interconnect Solutions | | Total | | Balance at December 31, 2025 | $ | 4,542 | | $ | 2,980 | | | $ | 7,522 | | | Currency translation adjustment | (4) | | 12 | | | 8 | | Balance at September 30, 2026 | $ | 4,538 | | $ | 2,992 | | | $ | 7,530 | |
Other Intangible Assets The gross carrying amounts and accumulated amortization of other intangible assets with finite lives, by major class are as follows: | | | | | | | | | | | | | | | | | | | | | | September 30, 2026 | December 31, 2025 | | In millions | Gross Carrying Amount | Accumulated Amortization | Net | Gross Carrying Amount | Accumulated Amortization | Net | | Other intangible assets: | | | | | | | | Developed technology | $ | 551 | | $ | (397) | | $ | 154 | | $ | 544 | | $ | (349) | | $ | 195 | | | Trademarks/tradenames | 55 | | (42) | | 13 | | 55 | | (38) | | 17 | | | Customer-related | 2,110 | | (1,305) | | 805 | | 2,125 | | (1,226) | | 899 | | | | | | | | | | Total other intangible assets | $ | 2,716 | | $ | (1,744) | | $ | 972 | | $ | 2,724 | | $ | (1,613) | | $ | 1,111 | |
The following table provides the net carrying value of other intangible assets by segment: | | | | | | | | | | Net Other Intangibles | September 30, 2026 | December 31, 2025 | | In millions | | Semiconductor Technologies | $ | 224 | | $ | 264 | | | Interconnect Solutions | 748 | | 847 | | | | | | Total | $ | 972 | | $ | 1,111 | |
Total estimated amortization expense for the remainder of 2026 and the five succeeding fiscal years is as follows: | | | | | | | Estimated Amortization Expense | | | In millions | | | Remainder of 2026 | $ | 50 | | | 2027 | $ | 171 | | | 2028 | $ | 145 | | | 2029 | $ | 111 | | | 2030 | $ | 90 | | | 2031 | $ | 90 | |
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