| Intangible Assets |
Intangible Assets Identifiable intangible assets consisted of the following: | | | | | | | | | | | | | | | | | | | (In millions) | Gross
Carrying
Amount | | Accumulated
Amortization | | Net Book
Value | | September 30, 2026 | | | | | | | Customer relationships | $ | 14,487 | | | $ | 10,213 | | | $ | 4,274 | | | Acquired software and technology | 2,187 | | | 1,563 | | | 624 | | | Trade names | 618 | | | 490 | | | 128 | | | Purchased software | 1,406 | | | 418 | | | 988 | | | Capitalized software and other intangibles | 5,669 | | | 2,219 | | | 3,450 | | | Total | $ | 24,367 | | | $ | 14,903 | | | $ | 9,464 | | | | | | | | | December 31, 2025 | | | | | | | Customer relationships | $ | 14,773 | | | $ | 9,680 | | | $ | 5,093 | | | Acquired software and technology | 2,150 | | | 1,356 | | | 794 | | | Trade names | 633 | | | 458 | | | 175 | | | Purchased software | 1,397 | | | 441 | | | 956 | | | Capitalized software and other intangibles | 5,040 | | | 1,897 | | | 3,143 | | | Total | $ | 23,993 | | | $ | 13,832 | | | $ | 10,161 | |
Amortization expense associated with the above identifiable intangible assets was $576 million and $561 million for the three months ended September 30, 2026 and 2025, respectively, and $1.7 billion for both the nine months ended September 30, 2026 and 2025.
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