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Equity-Based Compensation | 9 Months Ended
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Sep. 30, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Equity-Based Compensation | Equity-Based Compensation On August 1, 2018, 456,613 stock options granted by one of the sellers of CDW UK to certain CDW UK coworkers as part of the Company's acquisition of CDW UK vested. These equity awards had a weighted-average grant-date fair value of $35.93 per option. In connection with the exercise of such options, the seller of CDW UK distributed shares of common stock to each participant and withheld the number of shares of common stock equal to the respective tax withholding for each participant. The seller of CDW UK then transferred such withheld shares to the Company to satisfy the tax withholding for participants. The Company was required to pay withholding taxes of $19 million to Her Majesty’s Revenue and Customs taxing authority related to the exercise of these options. This amount is reported as a financing activity in the Consolidated Statement of Cash Flows and as an increase to Accumulated Deficit in the Consolidated Statement of Shareholders’ Equity for the nine months ended September 30, 2018. On December 31, 2017, 321,880 Performance Share Units ("PSUs") under the 2013 Long-Term Incentive Plan vested, representing a vesting rate for the 2015-2017 performance period of 192.0% of target. The PSUs had a weighted-average grant-date fair value of $37.84 per unit. In connection with the PSUs that vested, the Company distributed shares of common stock to each participant during the nine months ended September 30, 2018 and withheld the number of shares of common stock equal to the respective tax withholding for each participant. The Company was required to pay withholding taxes of $9 million to federal, state and foreign taxing authorities for the vesting of these PSUs. This amount is reported as a financing activity in the Consolidated Statement of Cash Flows and as an increase to Accumulated Deficit in the Consolidated Statement of Shareholders' Equity for the nine months ended September 30, 2018. On December 31, 2016, 748,855 PSUs under the 2013 Long-Term Incentive Plan vested, representing a vesting rate for the 2014-2016 performance period of 193.5% of target. The PSUs had a weighted-average grant-date fair value of $24.40 per unit. In connection with the PSUs that vested, the Company distributed shares of common stock to each participant during the nine months ended September 30, 2017 and withheld the number of shares of common stock equal to the respective tax withholding for each participant. The Company was required to pay withholding taxes of $18 million to federal, state and foreign taxing authorities for the vesting of these PSUs. This amount is reported as a financing activity in the Consolidated Statement of Cash Flows and as an increase to Accumulated Deficit in the Consolidated Statement of Shareholders' Equity for the nine months ended September 30, 2017. On June 26, 2017, an aggregate of 997,450 Restricted Stock Units ("RSUs") under the 2013 Long-Term Incentive Plan vested. The RSUs had a weighted-average grant-date fair value of $17.04 per unit. In connection with the RSUs that vested, the Company distributed shares of common stock to each participant during the nine months ended September 30, 2017 and withheld the number of shares of common stock equal to the respective tax withholding for each participant. The Company was required to pay withholding taxes of $24 million to federal, state and foreign taxing authorities for the vesting of these RSUs. This amount is reported as a financing activity in the Consolidated Statement of Cash Flows and as an increase to Accumulated Deficit in the Consolidated Statement of Stockholders' Equity for the nine months ended September 30, 2017.

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- Definition The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI http://asc.fasb.org/topic&trid=2228938 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -URI http://asc.fasb.org/subtopic&trid=2208855 + Details
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