Revenue Earning Equipment (Deprecation Rates) (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2014 |
Dec. 31, 2013 |
Dec. 31, 2012 |
|
| Revenue earning equipment | |||
| Net increase (decrease) in depreciation expense | $ 164 | $ (39) | $ (129) |
| U.S. Car Rental | |||
| Revenue earning equipment | |||
| Net increase (decrease) in depreciation expense | 167 | (44) | (139) |
| International Car Rental | |||
| Revenue earning equipment | |||
| Net increase (decrease) in depreciation expense | (3) | 5 | 9 |
| Worldwide Equipment Rental | |||
| Revenue earning equipment | |||
| Net increase (decrease) in depreciation expense | $ 0 | $ 0 | $ 1 |