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GOODWILL AND OTHER INTANGIBLE ASSETS - Other Intangible Assets by Major Class (Details) - USD ($) $ in Millions | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Summary of other intangible assets |  |
Intangible assets not subject to amortization | $ 1,215 | $ 1,200
Intangible assets subject to amortization |  |
Historical cost | 8,911 | 7,915
Accumulated amortization | 5,071 | 4,456
Customer relationships |  |
Intangible assets subject to amortization |  |
Historical cost | 5,236 | 4,659
Accumulated amortization | 2,934 | 2,577
Patents and technology |  |
Intangible assets subject to amortization |  |
Historical cost | 2,225 | 1,979
Accumulated amortization | 1,191 | 1,056
Trademarks |  |
Intangible assets subject to amortization |  |
Historical cost | 1,214 | 1,107
Accumulated amortization | 787 | 693
Other |  |
Intangible assets subject to amortization |  |
Historical cost | 235 | 169
Accumulated amortization | $ 159 | $ 131

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