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Leases
12 Months Ended
Dec. 31, 2011
Notes To Condensed Consolidated Financial Statements [Abstract]  
Leases [Text Block]

16. Leases

 

We lease office facilities, sales and service offices, equipment and other properties, generally under operating lease agreements extending from three to 25 years. Rental expense was $117 million, $118 million and $125 million in 2011, 2010 and 2009, respectively. Future minimum lease payments under non-cancelable operating leases at December 31, 2011 are as follows:

Years ending December 31, 
2012$ 92,275
2013  63,288
2014  40,082
2015  26,330
2016  15,952
Thereafter   21,856
Total minimum lease payments $ 259,783