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Restructuring and other | 12 Months Ended
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Dec. 31, 2020
Restructuring and Related Activities [Abstract] |
Restructuring and other | Restructuring and other Restructuring and other includes charges or expenses attributable to: (i) employee severance; (ii) management restructuring and related costs; (iii) restructuring and integration; (iv) cost savings initiatives; (v) major litigation; and (vi) acquisition related and other unusual items. The following table summarizes pre-tax restructuring and other costs for the periods presented:
|  | Year Ended December 31,
|  | 2020 |  | 2019 |  | 2018
Employee severance and related(1) |  | $ | 41 |  |  | $ | 9 |  |  | $ | 37 |
Acquisition-related costs(2) |  | — |  |  | — |  |  | 8 |
Contingent acquisition consideration(3) |  | — |  |  | 2 |  |  | 29 |
Legal and related(4) |  | — |  |  | — |  |  | 152 |
Restructuring, integration and other |  | 26 |  |  | 17 |  |  | 27 |
Total |  | $ | 67 |  |  | $ | 28 |  |  | $ | 253 |
(1) The year ended December 31, 2020 includes $32 million in severance and other benefits granted to employees as a result of COVID-19 related austerity measures. (2) The year ended December 31, 2018, includes $8 million related to NYX acquisition. (3) Represents contingent consideration fair value adjustment (see Note 16). (4) In the fourth quarter of 2018 we settled our previous litigation with ShuffleTech for $152 million.

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- Definition The entire disclosure for restructuring and related activities. Description of restructuring activities such as exit and disposal activities, include facts and circumstances leading to the plan, the expected plan completion date, the major types of costs associated with the plan activities, total expected costs, the accrual balance at the end of the period, and the periods over which the remaining accrual will be settled. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -URI http://asc.fasb.org/topic&trid=2175745 + Details
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