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Share-Based Compensation | 3 Months Ended
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Mar. 31, 2021
Share-based Payment Arrangement [Abstract] |
Share-Based Compensation | STOCK-BASED COMPENSATION We granted 0.1 million restricted stock units (“RSUs”) during the 2021 first quarter to certain officers and employees, and those units vest generally over four years in equal annual installments commencing one year after the grant date. We also granted 0.2 million performance-based RSUs (“PSUs”) in the 2021 first quarter to certain executives, which are earned, subject to continued employment and the satisfaction of certain performance and market conditions based on the degree of achievement of pre-established targets for 2023 adjusted EBITDA performance and relative total stockholder return over the 2021 to 2023 performance period. RSUs, including PSUs, granted in the 2021 first quarter had a weighted average grant-date fair value of $139 per unit. In the 2020 third quarter, as part of our effort to encourage associate retention in response to the severe impact of COVID-19 on our industry and the Company, we accelerated the issuance of RSU awards to certain officers and employees that ordinarily would have been made in the 2021 first quarter. We did not accelerate the issuance of awards for our most senior executives. We recorded stock-based compensation expense for RSUs and PSUs of $49 million in the 2021 first quarter and $38 million in the 2020 first quarter. Deferred compensation costs for unvested awards for RSUs and PSUs totaled $289 million at March 31, 2021 and $301 million at December 31, 2020.

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- Definition The entire disclosure for share-based payment arrangement. + 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 + Details
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