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Goodwill and Other Intangible Assets | 12 Months Ended
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Dec. 31, 2017
Goodwill and Other Intangible Assets |
Goodwill and Other Intangible Assets | 6. Goodwill and Other Intangible Assets Goodwill was $6,247 million and $6,215 million as of December 31, 2017 and 2016, respectively. The $32 million increase in goodwill during 2017 is primarily related to acquisitions, as well as translation adjustments related to our Canadian operations partially offset by impairment charges. 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. As a result of our annual impairment tests, we recorded goodwill impairment charges during the fourth quarter of 2017 of $32 million for a reporting unit in our Energy and Environmental Services (“EES”) organization and $2 million for our LampTracker® reporting unit, as their carrying values including goodwill exceeded estimated fair values. Fair values were estimated using an income approach based on long-term projected discounted future cash flows of the reporting units. 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
2017 |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets |  | $ | 880 |  | $ | 48 |  | $ | 124 |  | $ | 1,052
Less: Accumulated amortization |  |  | (422) |  |  | (21) |  |  | (62) |  |  | (505)
|  | $ | 458 |  | $ | 27 |  | $ | 62 |  | $ | 547
2016 |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets |  | $ | 835 |  | $ | 59 |  | $ | 123 |  | $ | 1,017
Less: Accumulated amortization |  |  | (342) |  |  | (31) |  |  | (53) |  |  | (426)
|  | $ | 493 |  | $ | 28 |  | $ | 70 |  | $ | 591
Amortization expense for other intangible assets was $96 million, $100 million and $76 million for 2017, 2016 and 2015, respectively. As of December 31, 2017, 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, 2017, we expect annual amortization expense related to other intangible assets to be $94 million in 2018, $83 million in 2019, $74 million in 2020, $62 million in 2021 and $49 million in 2022.

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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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