Condensed Consolidating Financial Information of Guarantor Subsidiaries CONDENSED CONSOLIDATING STATEMENT OF INCOME AND COMPREHENSIVE INCOME (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012
Revenues:
Equipment rentals	$ 916		$ 523
Sales of rental equipment	123		76
Sales of new equipment	21		18
Contractor supplies sales	20		18
Service and other revenues	20		21
Total revenues	1,100		656
Cost of revenues:
Cost of equipment rentals, excluding depreciation	393		246
Depreciation of rental equipment	202		115
Cost of rental equipment sales	83		47
Cost of new equipment sales	17		15
Cost of contractor supplies sales	13		12
Cost of service and other revenues	7		8
Total cost of revenues	715		443
Gross profit	385		213
Selling, general and administrative expenses	160		102
RSC merger related costs	6		10
Restructuring charge	6	[1]	0
Non-rental depreciation and amortization	64		14
Operating income	149		87
Interest expense (income), net	118		68
Interest expense-subordinated convertible debentures	2		1
Other income, net	(1)		(1)
Income before provision for income taxes	30		19
Provision (benefit) for income taxes	9		6
Income (loss) before equity in net earnings (loss) of subsidiaries	21		13
Equity in net earnings (loss) of subsidiaries	0		0
Net income	21		13
Other comprehensive (loss) income	(20)		10
Comprehensive income	1		23
Parent [Member]
Revenues:
Equipment rentals	0		0
Sales of rental equipment	0		0
Sales of new equipment	0		0
Contractor supplies sales	0		0
Service and other revenues	0		0
Total revenues	0		0
Cost of revenues:
Cost of equipment rentals, excluding depreciation	0		0
Depreciation of rental equipment	0		0
Cost of rental equipment sales	0		0
Cost of new equipment sales	0		0
Cost of contractor supplies sales	0		0
Cost of service and other revenues	0		0
Total cost of revenues	0		0
Gross profit	0		0
Selling, general and administrative expenses	19		10
RSC merger related costs	0		0
Restructuring charge	0		0
Non-rental depreciation and amortization	4		4
Operating income	(23)		(14)
Interest expense (income), net	2		3
Interest expense-subordinated convertible debentures	2		1
Other income, net	(30)		(18)
Income before provision for income taxes	3		0
Provision (benefit) for income taxes	1		0
Income (loss) before equity in net earnings (loss) of subsidiaries	2		0
Equity in net earnings (loss) of subsidiaries	19		13
Net income	21		13
Other comprehensive (loss) income	(20)		10
Comprehensive income	1		23
URNA [Member]
Revenues:
Equipment rentals	781		250
Sales of rental equipment	112		39
Sales of new equipment	16		8
Contractor supplies sales	16		8
Service and other revenues	15		11
Total revenues	940		316
Cost of revenues:
Cost of equipment rentals, excluding depreciation	333		115
Depreciation of rental equipment	178		59
Cost of rental equipment sales	76		24
Cost of new equipment sales	13		7
Cost of contractor supplies sales	10		4
Cost of service and other revenues	6		6
Total cost of revenues	616		215
Gross profit	324		101
Selling, general and administrative expenses	118		34
RSC merger related costs	6		10
Restructuring charge	6		0
Non-rental depreciation and amortization	55		4
Operating income	139		53
Interest expense (income), net	114		51
Interest expense-subordinated convertible debentures	0		0
Other income, net	45		16
Income before provision for income taxes	(20)		(14)
Provision (benefit) for income taxes	(8)		(22)
Income (loss) before equity in net earnings (loss) of subsidiaries	(12)		8
Equity in net earnings (loss) of subsidiaries	31		5
Net income	19		13
Other comprehensive (loss) income	(20)		10
Comprehensive income	(1)		23
Guarantor Subsidiaries [Member]
Revenues:
Equipment rentals	0		183
Sales of rental equipment	0		26
Sales of new equipment	0		5
Contractor supplies sales	0		5
Service and other revenues	0		5
Total revenues	0		224
Cost of revenues:
Cost of equipment rentals, excluding depreciation	0		88
Depreciation of rental equipment	0		37
Cost of rental equipment sales	0		16
Cost of new equipment sales	0		4
Cost of contractor supplies sales	0		4
Cost of service and other revenues	0		2
Total cost of revenues	0		151
Gross profit	0		73
Selling, general and administrative expenses	0		36
RSC merger related costs	0		0
Restructuring charge	0		0
Non-rental depreciation and amortization	0		4
Operating income	0		33
Interest expense (income), net	1		1
Interest expense-subordinated convertible debentures	0		0
Other income, net	0		9
Income before provision for income taxes	(1)		23
Provision (benefit) for income taxes	0		28
Income (loss) before equity in net earnings (loss) of subsidiaries	(1)		(5)
Equity in net earnings (loss) of subsidiaries	21		14
Net income	20		9
Other comprehensive (loss) income	(20)		9
Comprehensive income	0		18
Non Guarantor Subsidiaries Foreign [Member]
Revenues:
Equipment rentals	135		90
Sales of rental equipment	11		11
Sales of new equipment	5		5
Contractor supplies sales	4		5
Service and other revenues	5		5
Total revenues	160		116
Cost of revenues:
Cost of equipment rentals, excluding depreciation	60		43
Depreciation of rental equipment	24		19
Cost of rental equipment sales	7		7
Cost of new equipment sales	4		4
Cost of contractor supplies sales	3		4
Cost of service and other revenues	1		0
Total cost of revenues	99		77
Gross profit	61		39
Selling, general and administrative expenses	22		17
RSC merger related costs	0		0
Restructuring charge	0		0
Non-rental depreciation and amortization	5		2
Operating income	34		20
Interest expense (income), net	1		1
Interest expense-subordinated convertible debentures	0		0
Other income, net	3		3
Income before provision for income taxes	30		16
Provision (benefit) for income taxes	9		3
Income (loss) before equity in net earnings (loss) of subsidiaries	21		13
Equity in net earnings (loss) of subsidiaries	0		0
Net income	21		13
Other comprehensive (loss) income	(15)		5
Comprehensive income	6		18
Non Guarantor Subsidiaries SPV [Member]
Revenues:
Equipment rentals	0		0
Sales of rental equipment	0		0
Sales of new equipment	0		0
Contractor supplies sales	0		0
Service and other revenues	0		0
Total revenues	0		0
Cost of revenues:
Cost of equipment rentals, excluding depreciation	0		0
Depreciation of rental equipment	0		0
Cost of rental equipment sales	0		0
Cost of new equipment sales	0		0
Cost of contractor supplies sales	0		0
Cost of service and other revenues	0		0
Total cost of revenues	0		0
Gross profit	0		0
Selling, general and administrative expenses	1		5
RSC merger related costs	0		0
Restructuring charge	0		0
Non-rental depreciation and amortization	0		0
Operating income	(1)		(5)
Interest expense (income), net	1		13
Interest expense-subordinated convertible debentures	0		0
Other income, net	(19)		(11)
Income before provision for income taxes	17		(7)
Provision (benefit) for income taxes	7		(3)
Income (loss) before equity in net earnings (loss) of subsidiaries	10		(4)
Equity in net earnings (loss) of subsidiaries	0		0
Net income	10		(4)
Other comprehensive (loss) income	0		0
Comprehensive income	10		(4)
Eliminations [Member]
Revenues:
Equipment rentals	0		0
Sales of rental equipment	0		0
Sales of new equipment	0		0
Contractor supplies sales	0		0
Service and other revenues	0		0
Total revenues	0		0
Cost of revenues:
Cost of equipment rentals, excluding depreciation	0		0
Depreciation of rental equipment	0		0
Cost of rental equipment sales	0		0
Cost of new equipment sales	0		0
Cost of contractor supplies sales	0		0
Cost of service and other revenues	0		0
Total cost of revenues	0		0
Gross profit	0		0
Selling, general and administrative expenses	0		0
RSC merger related costs	0		0
Restructuring charge	0		0
Non-rental depreciation and amortization	0		0
Operating income	0		0
Interest expense (income), net	(1)		(1)
Interest expense-subordinated convertible debentures	0		0
Other income, net	0		0
Income before provision for income taxes	1		1
Provision (benefit) for income taxes	0		0
Income (loss) before equity in net earnings (loss) of subsidiaries	1		1
Equity in net earnings (loss) of subsidiaries	(71)		(32)
Net income	(70)		(31)
Other comprehensive (loss) income	55		(24)
Comprehensive income	$ (15)		$ (55)

[1] Reflected in our condensed consolidated statements of income as “Restructuring charge.” These charges are not allocated to our reportable segments.