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Revenue Earning Equipment
 12 Months Ended
Dec. 31, 2012
Revenue Earning Equipment [Abstract]  
REVENUE EARNING EQUIPMENT
REVENUE EARNING EQUIPMENT
 
 
Estimated
Useful
Lives
 
December 31, 2012
 
December 31, 2011
Cost
 
Accumulated
Depreciation
 
Net Book
Value (1)
 
Cost
 
Accumulated
Depreciation
 
Net Book
Value (1)
(In years)
 
(In thousands)
Held for use:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Full service lease
 
3 — 12
 
$
6,728,746

 
(2,500,786
)
 
4,227,960

 
6,010,335

 
(2,518,830
)
 
3,491,505

Commercial rental
 
4.5 — 12
 
2,041,698

 
(660,356
)
 
1,381,342

 
2,175,003

 
(708,052
)
 
1,466,951

Held for sale
 
 
 
499,074

 
(353,768
)
 
145,306

 
326,692

 
(235,477
)
 
91,215

Total
 
 
 
$
9,269,518

 
(3,514,910
)
 
5,754,608

 
8,512,030

 
(3,462,359
)
 
5,049,671

_______________ 
(1)
Revenue earning equipment, net includes vehicles under capital leases of $56 million, less accumulated depreciation of $17 million, at December 31, 2012 and $61 million, less accumulated depreciation of $14 million, at December 31, 2011.
At the end of each fiscal year, we review residual values and useful lives of revenue earning equipment. Based on the results of these analyses, we adjust the estimated residual values and useful lives of certain classes of revenue earning equipment effective January 1 of the following year. The change in estimated residual values and useful lives increased pre-tax earnings by approximately $18 million in 2012 compared with 2011, and approximately $5 million in 2011 compared with 2010. The adjustment decreased pre-tax earnings by approximately $14 million in 2010 compared with 2009.