Organization, Description Of Business And Consolidation (Details) (USD $) Share data in Millions, unless otherwise specified	12 Months Ended							0 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2011 Venetor Group [Member] Locations	Dec. 31, 2011 Gulfstar Rental Solutions, LP [Member] Locations	Dec. 31, 2011 Ontario Laser Rentals, Ltd. [Member] Locations	Dec. 31, 2011 Blue Mountain Equipment Rental Corporation [Member] Locations	Dec. 15, 2011 RSC [Member]	Dec. 15, 2011 Senior Secured Credit Facilities and Notes [Member] RSC [Member]	Dec. 15, 2011 Unsecured Debt [Member] RSC [Member]
Business Acquisition [Line Items]
Number of locations of business acquired				7	3	2	3
Revenue reported by acquired business				$ 50,000,000	$ 15,000,000	$ 20,000,000	$ 40,000,000
Payments to acquire business	276,000,000	0	25,000,000
Business acquisition, cost of acquired entity								4,200,000,000
Business acquisition, cash to be paid								1,100,000,000
Business acquisition, stock issued (in shares)								29
Business acquisition, debt assumed									$ 854,000,000	$ 1,400,000,000