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Segment Information (Summary Of Segments Information) (Detail) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2017 | Mar. 31, 2016 | Dec. 31, 2016
Segment Reporting Information [Line Items] |  |  |
Assets Under Vehicle Programs | $ 12,304 |  | $ 11,578
Document Fiscal Year Focus | 2017 |  |
Revenues | $ 1,839 | $ 1,881 |
Adjusted EBITDA | (27) | 44 |
Non-vehicle related depreciation and amortization | 63 | 61 |
Interest expense | 49 | 50 |
Early extinguishment of debt | (3) | 0 |
Early extinguishment of debt | 3 |  |
Transaction-related costs, net | 3 | 4 |
Charges for legal matter | 13 | 0 |
Restructuring expense | 7 | 15 |
Income before income taxes | (165) | (86) |
International |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 1,314 | 1,364 |
Adjusted EBITDA | (20) | 63 |
International |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 525 | 517 |
Adjusted EBITDA | 7 | 1 |
Corporate and Other [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 0 | 0 |
Adjusted EBITDA | $ (14) | $ (20) |

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