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Goodwill and Other Intangible Assets | 12 Months Ended
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Dec. 31, 2018
Goodwill and Other Intangible Assets |
Goodwill and Other Intangible Assets | 6. Goodwill and Other Intangible Assets Goodwill was $6,430 million and $6,247 million as of December 31, 2018 and 2017, respectively. The $183 million increase in goodwill during 2018 is primarily related to acquisitions partially offset by translation adjustments related to our Canadian operations, divestitures and an impairment charge, which is discussed below. As discussed more fully in Note 3, we perform our annual impairment test of goodwill balances for our reporting units using a measurement date of October 1. We will also perform interim tests if an impairment indicator exists. During the fourth quarter of 2018, we recorded a goodwill impairment charge of $6 million related to our LampTracker® reporting unit, as a result of our annual impairment test, as the carrying value including goodwill exceeded the estimated fair value. Fair value was estimated using an income approach based on long-term projected discounted future cash flows of the reporting unit. See Notes 11, 17 and 19 for additional information related to goodwill. Our other intangible assets consisted of the following as of December 31 (in millions):
|  | Customer |  | Covenants |  | Licenses, |  |  |
|  | and Supplier |  | Not-to- |  | Permits |  |  |
|  | Relationships |  | Compete |  | and Other |  | Total
2018 |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets |  | $ | 949 |  | $ | 60 |  | $ | 109 |  | $ | 1,118
Less: Accumulated amortization |  |  | (461) |  |  | (24) |  |  | (61) |  |  | (546)
|  | $ | 488 |  | $ | 36 |  | $ | 48 |  | $ | 572
2017 |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets |  | $ | 880 |  | $ | 48 |  | $ | 124 |  | $ | 1,052
Less: Accumulated amortization |  |  | (422) |  |  | (21) |  |  | (62) |  |  | (505)
|  | $ | 458 |  | $ | 27 |  | $ | 62 |  | $ | 547
Amortization expense for other intangible assets was $101 million, $96 million and $100 million for 2018, 2017 and 2016, respectively. As of December 31, 2018, we had $18 million of licenses, permits and other intangible assets that are not subject to amortization because they do not have stated expirations or have routine, administrative renewal processes. Additional information related to other intangible assets acquired through business combinations is included in Note 17. As of December 31, 2018, we expect annual amortization expense related to other intangible assets to be $105 million in 2019, $94 million in 2020, $79 million in 2021, $63 million in 2022 and $55 million in 2023.

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- Definition The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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