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Restructuring (Summary Of Changes To Restructuring-Related Liabilities) (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015
Restructuring Cost and Reserve [Line Items] |  |  |  |
Document Period End Date |  |  | Jun. 30, 2016 |
Restructuring Reserve [Roll Forward] |  |  |  |
Balance as of January 1, 2016 |  |  | $ 11 |
Restructuring expense | $ 5 | $ 3 | 20 | $ 4
Balance as of June 30, 2016 | 9 |  | 9 |
Americas |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Balance as of January 1, 2016 |  |  | 1 |
Balance as of June 30, 2016 | 1 |  | 1 |
International |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Balance as of January 1, 2016 |  |  | 10 |
Balance as of June 30, 2016 | 8 |  | 8 |
2014 T15 Restructuring [Member] |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring expense |  |  | 15 |
Payment for Restructuring |  |  | (9) |
2014 T15 Restructuring [Member] | Americas |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring expense |  |  | 8 |
Payment for Restructuring |  |  | (7) |
2014 T15 Restructuring [Member] | International |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring expense |  |  | 7 |
Payment for Restructuring |  |  | (2) |
2015 Acquisition Integration [Member] |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring expense |  |  | 6 |
Payment for Restructuring |  |  | (12) |
2015 Acquisition Integration [Member] | Americas |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring expense |  |  | 0 |
Payment for Restructuring |  |  | (1) |
2015 Acquisition Integration [Member] | International |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring expense |  |  | 6 |
Payment for Restructuring |  |  | (11) |
2011 Avis Europe Restructuring [Member] |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring expense |  |  | (1) |
Payment for Restructuring |  |  | (1) |
2011 Avis Europe Restructuring [Member] | Americas |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring expense |  |  | 0 |
Payment for Restructuring |  |  | 0 |
2011 Avis Europe Restructuring [Member] | International |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring expense |  |  | (1) |
Payment for Restructuring |  |  | (1) |
Employee Severance [Member] |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Balance as of January 1, 2016 |  |  | 10 |
Balance as of June 30, 2016 | 8 |  | 8 |
Employee Severance [Member] | 2014 T15 Restructuring [Member] |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring expense |  |  | 11 |
Payment for Restructuring |  |  | (6) |
Employee Severance [Member] | 2015 Acquisition Integration [Member] |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring expense |  |  | 6 |
Payment for Restructuring |  |  | (12) |
Employee Severance [Member] | 2011 Avis Europe Restructuring [Member] |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring expense |  |  | 0 |
Payment for Restructuring |  |  | (1) |
Facility Related [Member] |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Balance as of January 1, 2016 |  |  | 1 |
Balance as of June 30, 2016 | 1 |  | 1 |
Facility Related [Member] | 2014 T15 Restructuring [Member] |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring expense |  |  | 1 |
Payment for Restructuring |  |  | 0 |
Facility Related [Member] | 2015 Acquisition Integration [Member] |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring expense |  |  | 0 |
Payment for Restructuring |  |  | 0 |
Facility Related [Member] | 2011 Avis Europe Restructuring [Member] |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring expense |  |  | (1) |
Payment for Restructuring |  |  | 0 |
Other Restructuring [Member] |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Balance as of January 1, 2016 |  |  | 0 |
Balance as of June 30, 2016 | $ 0 |  | 0 |
Other Restructuring [Member] | 2014 T15 Restructuring [Member] |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring expense |  |  | 3 |
Payment for Restructuring |  |  | (3) |
Other Restructuring [Member] | 2015 Acquisition Integration [Member] |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring expense |  |  | 0 |
Payment for Restructuring |  |  | 0 |
Other Restructuring [Member] | 2011 Avis Europe Restructuring [Member] |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring expense |  |  | 0 |
Payment for Restructuring |  |  | $ 0 |

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