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GOODWILL AND OTHER INTANGIBLE ASSETS | 12 Months Ended
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Dec. 31, 2022
GOODWILL AND OTHER INTANGIBLES [Abstract] |
GOODWILL AND OTHER INTANGIBLE ASSETS | GOODWILL AND OTHER INTANGIBLE ASSETS Grainger completed its annual impairment testing of goodwill and intangible assets during the fourth quarter of 2022 and 2021. Based on the results of that testing, the Company did not identify any significant events or changes in circumstances that indicated the existence of impairment indicators and concluded that it was more likely than not that the fair value of the reporting units exceeded their carrying amounts at each respective period. High-Touch Solutions N.A. – Canada Business As of December 31, 2022 and 2021, the Canada business reporting unit had goodwill of $121 million and $129 million, respectively. As part of our annual impairment testing, the Company performed evaluations of changes in key assumptions, notably projections of revenue growth, operating expenditures, changes in working capital, and factors that could impact the discount rate used in the analysis. In doing so, we compared the current results to forecasted expectations of the most recent quantitative analysis, along with analyzing macroeconomic conditions, current industry trends and transactions, and other market data of industry peers. The Company did not identify any significant events or changes in circumstances that indicated the existence of impairment indicators for its Canada business and concluded that it was more likely than not that the fair value of the Canada business reporting unit exceeded its carrying amount. The Company's balances and changes in the carrying amount of Goodwill by segment are as follows (in millions of dollars):
|  | High-Touch Solutions N.A. |  | Endless Assortment |  | Other |  | Total
Balance at January 1, 2021 |  | $ | 321 |  |  | $ | 70 |  |  | $ | — |  |  | $ | 391 |
Translation |  | — |  |  | (7) |  |  | — |  |  | (7) |
Balance at December 31, 2021 |  | 321 |  |  | 63 |  |  | — |  |  | 384 |
Translation |  | (8) |  |  | (5) |  |  | — |  |  | (13) |
Balance at December 31, 2022 |  | $ | 313 |  |  | $ | 58 |  |  | $ | — |  |  | $ | 371 |
The ag gregate cumulative goodwill impairments as of December 31, 2022, was $137 million and consisted of $32 million in High-Touch Solutions N.A. and $105 million in O ther. The balances and changes in intangible assets – net are as follows (in millions of dollars):
|  |  | As of December 31,
|  |  | 2022 |  | 2021
| Weighted average life |  | Gross carrying amount |  | Accumulated amortization/ impairment |  | Net carrying amount |  | Gross carrying amount |  | Accumulated amortization/impairment |  | Net carrying amount
Customer lists and relationships | 11.7 years |  | $ | 217 |  |  | $ | 181 |  |  | $ | 36 |  |  | $ | 221 |  |  | $ | 176 |  |  | $ | 45 |
Trademarks, trade names and other | 14.4 years |  | 32 |  |  | 22 |  |  | 10 |  |  | 36 |  |  | 24 |  |  | 12 |
Non-amortized trade names and other | Indefinite |  | 22 |  |  | — |  |  | 22 |  |  | 25 |  |  | — |  |  | 25 |
Capitalized software | 4.2 years |  | 580 |  |  | 416 |  |  | 164 |  |  | 525 |  |  | 369 |  |  | 156 |
Total intangible assets | 6.9 years |  | $ | 851 |  |  | $ | 619 |  |  | $ | 232 |  |  | $ | 807 |  |  | $ | 569 |  |  | $ | 238 |
Amortization expense of intangible assets recorded in SG&A was $61 million, $63 million, and $60 million for the years ended December 31, 2022, 2021 and 2020, respectively. Estimated amortization expense for future periods is as follows (in millions of dollars):
Year |  | Expense
2023 |  | $ | 61 |
2024 |  | 53 |
2025 |  | 44 |
2026 |  | 31 |
2027 |  | 16 |
Thereafter |  | 5 |
Total |  | $ | 210 |

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- Definition GOODWILL AND OTHER INTANGIBLES [Abstract] + References No definition available. + Details
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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI https://asc.fasb.org/topic&trid=2144416 + Details
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