Debt (Long Term Debt Narrative) (Details) (USD $) Share data in Millions, except Per Share data, unless otherwise specified	12 Months Ended			1 Months Ended		1 Months Ended			1 Months Ended		12 Months Ended									1 Months Ended			1 Months Ended			1 Months Ended			12 Months Ended	1 Months Ended			12 Months Ended	1 Months Ended			12 Months Ended	1 Months Ended					1 Months Ended			1 Months Ended										3 Months Ended			1 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Nov. 30, 2009 9 1/4 percent Senior Notes [Member]	Dec. 31, 2013 9 1/4 percent Senior Notes [Member]	Oct. 31, 2010 8 3/8 percent Senior Subordinated Notes [Member]	Dec. 31, 2013 8 3/8 percent Senior Subordinated Notes [Member]	Oct. 30, 2010 8 3/8 percent Senior Subordinated Notes [Member]	Oct. 31, 2012 6 1/8 percent Senior Notes [Member]	Dec. 31, 2013 6 1/8 percent Senior Notes [Member]	Dec. 31, 2013 4 percent Convertible Senior Notes [Member]	Dec. 31, 2011 4 percent Convertible Senior Notes [Member]	Dec. 31, 2012 4 percent Convertible Senior Notes [Member]	Nov. 30, 2009 4 percent Convertible Senior Notes [Member]	Dec. 31, 2013 1 7/8 percent Convertible Senior Subordinated Notes [Member]	Dec. 31, 2012 1 7/8 percent Convertible Senior Subordinated Notes [Member]	Dec. 31, 2011 1 7/8 percent Convertible Senior Subordinated Notes [Member]	Dec. 31, 2013 10 1/4 percent Senior Notes [Member]	Dec. 31, 2013 8 1/4 percent Senior Notes [Member]	Mar. 30, 2012 5 3/4 percent Senior Secured Notes [Member]	Dec. 31, 2013 5 3/4 percent Senior Secured Notes [Member]	Mar. 31, 2012 5 3/4 percent Senior Secured Notes [Member]	Mar. 30, 2012 7 3/8 percent Senior Notes [Member]	Dec. 31, 2013 7 3/8 percent Senior Notes [Member]	Mar. 31, 2012 7 3/8 percent Senior Notes [Member]	Mar. 30, 2012 7 5/8 percent Senior Notes [Member]	Dec. 31, 2013 7 5/8 percent Senior Notes [Member]	Mar. 31, 2012 7 5/8 percent Senior Notes [Member]	Dec. 31, 2013 $2.3 billion ABL Facility [Member]	Nov. 30, 2009 Maximum [Member] 9 1/4 percent Senior Notes [Member]	Oct. 31, 2010 Maximum [Member] 8 3/8 percent Senior Subordinated Notes [Member]	Oct. 31, 2012 Maximum [Member] 6 1/8 percent Senior Notes [Member]	Dec. 31, 2013 Maximum [Member] 4 percent Convertible Senior Notes [Member]	Nov. 30, 2009 Minimum [Member] 9 1/4 percent Senior Notes [Member]	Oct. 31, 2010 Minimum [Member] 8 3/8 percent Senior Subordinated Notes [Member]	Oct. 31, 2012 Minimum [Member] 6 1/8 percent Senior Notes [Member]	Dec. 31, 2013 Minimum [Member] 4 percent Convertible Senior Notes [Member]	Nov. 30, 2009 Change of Control [Member] 9 1/4 percent Senior Notes [Member]	Oct. 31, 2010 Change of Control [Member] 8 3/8 percent Senior Subordinated Notes [Member]	Nov. 30, 2009 RSC Holdings Inc [Member] 10 1/4 percent Senior Notes [Member]	Dec. 31, 2013 RSC Holdings Inc [Member] 10 1/4 percent Senior Notes [Member]	Apr. 30, 2012 RSC Holdings Inc [Member] 10 1/4 percent Senior Notes [Member]	Jan. 31, 2011 RSC Holdings Inc [Member] 8 1/4 percent Senior Notes [Member]	Dec. 31, 2013 RSC Holdings Inc [Member] 8 1/4 percent Senior Notes [Member]	Apr. 30, 2012 RSC Holdings Inc [Member] 8 1/4 percent Senior Notes [Member]	Nov. 30, 2009 2014 [Member] RSC Holdings Inc [Member] 10 1/4 percent Senior Notes [Member]	Mar. 30, 2012 2016 [Member] 7 3/8 percent Senior Notes [Member]	Jan. 31, 2011 2016 [Member] RSC Holdings Inc [Member] 8 1/4 percent Senior Notes [Member]	Jan. 31, 2011 2019 [Member] RSC Holdings Inc [Member] 8 1/4 percent Senior Notes [Member]	Mar. 30, 2012 2015 [Member] 5 3/4 percent Senior Secured Notes [Member]	Mar. 30, 2012 2017 [Member] 5 3/4 percent Senior Secured Notes [Member]	Mar. 30, 2012 2017 [Member] 7 5/8 percent Senior Notes [Member]	Nov. 30, 2009 2017 [Member] RSC Holdings Inc [Member] 10 1/4 percent Senior Notes [Member]	Mar. 30, 2012 2018 [Member] 7 3/8 percent Senior Notes [Member]	Mar. 30, 2012 2020 [Member] 7 5/8 percent Senior Notes [Member]	Mar. 31, 2014 Scenario, Forecast [Member] 4 percent Convertible Senior Notes [Member]	Dec. 31, 2012 Interest Expense [Member]	Jan. 22, 2014 Subsequent Event [Member] 10 1/4 percent Senior Notes [Member]	Jan. 22, 2014 Subsequent Event [Member] Interest Expense [Member] 10 1/4 percent Senior Notes [Member]
Debt Instrument [Line Items]
Debt instrument, face amount				$ 500,000,000				$ 750,000,000	$ 400,000,000		$ 173,000,000			$ 173,000,000								$ 750,000,000			$ 750,000,000			$ 1,325,000,000												$ 200,000,000			$ 650,000,000
Stated interest rate					9.25%		8.375%			6.125%	4.00%	4.00%	4.00%	4.00%	1.875%	1.875%	1.875%	10.25%	8.25%		5.75%			7.375%			7.625%															10.25%			8.25%
Proceeds from issuance of long-term debt				480,000,000		732,000,000			392,000,000			167,000,000								733,000,000			732,000,000			1,295,000,000
Redemption price percentage of face value									101.00%		100.00%									101.00%			101.00%			101.00%				104.625%	104.188%	103.063%		100.00%	100.00%	100.00%		101.00%	101.00%	101.00%			101.00%			105.125%	103.688%	104.125%	100.00%	102.875%	100.00%	103.813%	100.00%	100.00%	100.00%
Debt instrument, unamortized portion of fair value adjustment from assumed carrying value																																									20,000,000			42,000,000
Effective interest rate				9.50%							6.60%																														8.30%			7.00%
Debt instrument, convertible, conversion price											$ 11.11
Redemption notice amount																																																								56,000,000
Effective interest rate, historical											11.60%
Long-term debt, gross											156,000,000
Derivative cost of hedge			26,000,000									26,000,000
Debt instrument convertible if converted value											1,094,000,000
Debt instrument convertible if converted price per share															$ 77.95
Debt instrument convertible if converted value, non-cash											938,000,000
Cost to convert convertible notes											14,000,000
Debt instrument convertible, shares issued	12
Change in stock price to settle convertible debt per share											$ 1
Debt conversion, hedged converted instrument, cash and non-cash receivable											43,000,000
Debt instrument convertible, hedged, if converted price per share											$ 14.17
Debt instrument, unamortized discount				6,000,000							20,000,000
Adjustments to additional paid in capital, other												33,000,000
Convertible note hedge transactions, net			17,000,000
Convertible note hedge transaction shares	10.3
Debt instrument effective conversion price	$ 15.56
Percentage premium over price at issuance	75.00%
Closing price at issuance	$ 8.89
Debt conversion, market price per share																																	$ 80				$ 75
Debt instrument, convertible, number of equity instruments																																	11.5				11.3
Call premium amount																																																										26,000,000
Gains (losses) on extinguishment of debt	(1,000,000)	(72,000,000)	(3,000,000)																																																						(72,000,000)		6,000,000
Maximum revolving credit amount percentage																													10.00%
Debt terms reference amount to maximum revolving credit																													$ 150,000,000