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Subsequent Events - Additional Information (Detail) - USD ($) shares in Millions | 1 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Feb. 29, 2020 | Jan. 01, 2020 | Dec. 31, 2019 | Sep. 30, 2019 | Dec. 31, 2018 | Jun. 30, 2018 | Dec. 31, 2014
Subsequent Event [Line Items] |  |  |  |  |  |  |
Common Stock, Shares, Issued |  |  | 137.0 |  | 137.0 |  |
Subsequent Event |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Proceeds from Issuance of Preferred Stock and Preference Stock | $ 110 |  |  |  |  |  |
Common Stock, Shares, Issued | 0.4 |  |  |  |  |  |
Debt Due To Rental Car Funding [Member] |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Asset-Backed Securities, at Carrying Value |  |  | $ 550,000,000 |  |  | $ 400,000,000 |
Debt Due To Rental Car Funding [Member] | Subsequent Event |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Asset-Backed Securities, at Carrying Value |  | $ 700,000,000 |  |  |  |  |
Debt, Weighted Average Interest Rate |  | 2.42% |  |  |  |  |
Five And One Over Two Senior Notes [Member] | Senior Notes [Member] |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  | $ 75,000,000 | $ 400,000,000 |  |  | $ 175,000,000
Five And One Over Two Senior Notes [Member] | Senior Notes [Member] | Subsequent Event |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Debt Instrument, Face Amount | $ 100,000,000 |  |  |  |  |  |
Floating Rate Term Loan Due August 2027 [Member] | Loans Payable [Member] | Subsequent Event |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Debt Instrument, Face Amount | $ 1,200,000,000 |  |  |  |  |  |

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- Definition Investments in notes or bonds that are collateralized by a specific group of underlying assets owned by the issuer of the notes or bonds which are short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three-years ago does not become a cash equivalent when its remaining maturity is three months. + References No definition available. + Details
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- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
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- Definition Weighted average interest rate of debt outstanding. + References No definition available. + Details
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- Definition Proceeds from issuance of capital stock which provides for a specific dividend that is paid to the shareholders before any dividends to common stockholders and which takes precedence over common stockholders in the event of liquidation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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