Basis of Presentation	12 Months Ended
Basis of Presentation	Dec. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	Basis of Presentation Avis Budget Group, Inc. provides mobility solutions to businesses and consumers worldwide. The accompanying Consolidated Financial Statements include the accounts and transactions of Avis Budget Group, Inc. and its subsidiaries, as well as entities in which Avis Budget Group, Inc. directly or indirectly has a controlling financial interest (collectively, the “Company”). The Company operates the following reportable business segments: •Americas—consisting primarily of (i) vehicle rental operations in North America, South America, Central America and the Caribbean, (ii) car sharing operations in certain of these markets, and (iii) licensees in the areas in which the Company does not operate directly. •International—consisting primarily of (i) vehicle rental operations in Europe, the Middle East, Africa, Asia and Australasia, (ii) car sharing operations in certain of these markets, and (iii) licensees in the areas in which the Company does not operate directly. The Company has completed the business acquisitions discussed in Note 6 to these Consolidated Financial Statements. The operating results of the acquired businesses are included in the accompanying Consolidated Financial Statements from the dates of acquisition. The Company presents separately the financial data of its vehicle programs. These programs are distinct from the Company’s other activities since the assets under vehicle programs are generally funded through the issuance of debt that is collateralized by such assets. The income generated by these assets is used, in part, to repay the principal and interest associated with the debt. Cash inflows and outflows relating to the acquisition of such assets and the principal debt repayment or financing of such assets are classified as activities of the Company’s vehicle programs. The Company believes it is appropriate to segregate the financial data of its vehicle programs because, ultimately, the source of repayment of such debt is the realization of such assets. Liquidity and Management’s Plans The continuing cases of COVID-19 and the developments surrounding the pandemic have had a material negative impact on all aspects of the Company’s business. Significant events affecting travel and the overall economy have historically had an impact on vehicle rental volumes, with the full extent of the impact generally determined by the length of time the event influences travel decisions as well as general economic conditions. The COVID-19 outbreak and resulting economic conditions have had, and the Company believes will continue to have, a significant adverse impact on its operations and vehicle rental volumes, and on its financial results and liquidity, and such negative impact may continue well beyond the containment of the outbreak. The Company cannot assure its assumptions used to estimate its liquidity requirements will be correct because it has never previously experienced such a change in demand, and as a consequence, its ability to be predictive is uncertain. In addition, the duration of the pandemic is uncertain. Therefore, the Company has taken, and plans to take further actions to manage its liquidity, including reducing capital expenditures, operating expenses and the number of vehicles in its fleet. The Company has no meaningful corporate debt maturities until 2023. The Company plans to finance the routine Asset Backed Securities (“ABS”) maturities with program cash on hand, available revolving debt capacity and fleet sales. As a result, based on current operational assumptions, the Company believes it has adequate liquidity beyond the next twelve months. In April 2020, the Company entered into an amendment (the “Amendment”) to its senior credit facilities, consisting of an approximately $1.2 billion term loan maturing in 2027 and a $1.8 billion revolving credit facility maturing in 2023, which remain in place after the Amendment. The Amendment provides for relief from the quarterly-tested leverage covenant contained in the credit agreement governing the senior credit facilities until the end of a specific relief period, including a holiday from such leverage covenant through June 30, 2021, during which time (i) certain negative covenant exceptions are not available to the Company, (ii) pricing on the senior credit facilities is increased, (iii) the Company must comply with a liquidity covenant and additional reporting requirements and (iv) the Company must meet additional conditions to borrow under the revolving credit facility.