| Goodwill and Other Intangible Assets Changes in the carrying amount of Goodwill for the six months ended March 31, 2026, were (in millions): | | | | | | | | | | | | | | | | | | | | | | | | | Intelligent Devices | | Software & Control | | Lifecycle Services | | Total | | Balance as of September 30, 2025 | $ | 904 | | | $ | 2,440 | | | $ | 495 | | | $ | 3,839 | | | | | | | | | | | Translation | (1) | | | — | | | — | | | (1) | | | Balance as of March 31, 2026 | $ | 903 | | | $ | 2,440 | | | $ | 495 | | | $ | 3,838 | | | | | | | | | | | Gross carrying value of goodwill | $ | 903 | | | $ | 2,440 | | | $ | 814 | | | $ | 4,157 | | | Accumulated impairment losses | — | | | — | | | (319) | | | (319) | | | Goodwill | $ | 903 | | | $ | 2,440 | | | $ | 495 | | | $ | 3,838 | |
We performed our annual evaluation of goodwill and indefinite life intangible assets for impairment as of the beginning of the second quarter of fiscal 2026 and concluded that these assets are not impaired. Refer to Note 1 for additional information on our annual impairment evaluation. Other intangible assets consist of (in millions): | | | | | | | | | | | | | | | | | | | | March 31, 2026 | | Carrying
Amount | | Accumulated
Amortization | | Net | | Amortized intangible assets | | | | | | | Software products | $ | 110 | | | $ | (87) | | | $ | 23 | | | Customer relationships | 422 | | | (148) | | | 274 | | | Technology | 650 | | | (301) | | | 349 | | | Trademarks | 105 | | | (51) | | | 54 | | | Other | 3 | | | (3) | | | — | | | Total amortized intangible assets | 1,290 | | | (590) | | | 700 | | Allen-Bradley® trademark not subject to amortization | 44 | | | — | | | 44 | | | Other intangible assets | $ | 1,334 | | | $ | (590) | | | $ | 744 | |
| | | | | | | | | | | | | | | | | | | | September 30, 2025 | | Carrying
Amount | | Accumulated
Amortization | | Net | | Amortized intangible assets | | | | | | | Software products | $ | 108 | | | $ | (83) | | | $ | 25 | | | Customer relationships | 569 | | | (232) | | | 337 | | | Technology | 698 | | | (304) | | | 394 | | | Trademarks | 131 | | | (67) | | | 64 | | | Other | 6 | | | (6) | | | — | | | Total amortized intangible assets | 1,512 | | | (692) | | | 820 | | Allen-Bradley® trademark not subject to amortization | 44 | | | — | | | 44 | | | Other intangible assets | $ | 1,556 | | | $ | (692) | | | $ | 864 | |
Estimated total amortization expense for all amortized intangible assets is $131 million in 2026, $122 million in 2027, $111 million in 2028, $73 million in 2029, and $71 million in 2030.
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