v3.23.3

OTHER INTANGIBLE ASSETS | 9 Months Ended
--- | ---
Sep. 30, 2023
Goodwill and Intangible Assets Disclosure [Abstract] |
OTHER INTANGIBLE ASSETS | OTHER INTANGIBLE ASSETS Intangible assets are comprised of the following:
| September 30, 2023 | December 31, 2022
| Gross Carrying Amount | Accumulated Amortization | Net | Gross Carrying Amount | Accumulated Amortization | Net
Customer relationships | $ | 1,925 |  | $ | (791) |  | $ | 1,135 |  | $ | 1,917 |  | $ | (729) |  | $ | 1,189 |
Technology | 1,240 |  | (870) |  | 371 |  | 1,212 |  | (803) |  | 409 |
Trade names and trademarks | 289 |  | (183) |  | 106 |  | 287 |  | (175) |  | 112 |
Capitalized software | 1,384 |  | (1,094) |  | 290 |  | 1,308 |  | (1,040) |  | 268 |
Finite-lived intangible assets | 4,839 |  | (2,937) |  | 1,902 |  | 4,725 |  | (2,747) |  | 1,978 |
Indefinite-lived intangible assets | 2,202 |  | — |  | 2,202 |  | 2,202 |  | — |  | 2,202 |
Total intangible assets | $ | 7,041 |  | $ | (2,937) |  | $ | 4,104 |  | $ | 6,927 |  | $ | (2,747) |  | $ | 4,180 |
Intangible assets are generally amortized on a straight-line basis with estimated useful lives ranging from 1 to 35 years. Amortization expense for the three months ended September 30, 2023 and 2022 was $64 million and $54 million, respectively, and $190 million and $164 million for the nine months ended September 30, 2023 and 2022, respectively. Estimated amortization expense for the remainder of 2023 and each of the subsequent five fiscal years is expected to be as follows:
Year | Estimated Amortization Expense
Remainder of 2023 | $ | 63 |
2024 | 237 |
2025 | 197 |
2026 | 151 |
2027 | 126 |
2028 | 111 |

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//350-30/tableOfContent + Details
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