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		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012		Sep. 30, 2011
Revenues:
Equipment rentals	$ 1,051	$ 604	$ 2,419		$ 1,562
Sales of rental equipment	101	42	258		115
Sales of new equipment	24	24	64		60
Contractor supplies sales	23	23	64		66
Service and other revenues	20	20	63		62
Total revenues	1,219	713	2,868		1,865
Cost of revenues:
Cost of equipment rentals, excluding depreciation	395	261	991		740
Depreciation of rental equipment	204	110	491		312
Cost of rental equipment sales	72	27	175		73
Cost of new equipment sales	19	19	51		48
Cost of contractor supplies sales	17	15	45		45
Cost of service and other revenues	7	7	23		24
Total cost of revenues	714	439	1,776		1,242
Gross profit	505	274	1,092		623
Selling, general and administrative expenses	164	103	412		298
RSC merger related costs	8	0	98		0
Restructuring charge	40	2	93	[1]	5
Non-rental depreciation and amortization	71	13	134		39
Operating (loss) income	222	156	355		281
Interest expense (income), net	127	57	316		170
Interest expense-subordinated convertible debentures	1	1	3		5
Other expense (income), net	0	2	(13)		(2)
Income from continuing operations before provision for income taxes	94	96	49		108
Provision (benefit) for income taxes	21	31	15		35
Income (loss) from continuing operations					73
Loss from discontinued operation, net of taxes	0	0	0		(1)
Income (loss) before equity in net earnings (loss) of subsidiaries	73	65	34		72
Equity in net earnings (loss) of subsidiaries	0	0	0		0
Net income	73	65	34		72
Other comprehensive (loss) income	21	(37)	19		(24)
Comprehensive income	94	28	53		48
Parent [Member]
Revenues:
Equipment rentals	0	0	0		0
Sales of rental equipment	0	0	0		0
Sales of new equipment	0	0	0		0
Contractor supplies sales	0	0	0		0
Service and other revenues	0	0	0		0
Total revenues	0	0	0		0
Cost of revenues:
Cost of equipment rentals, excluding depreciation	0	0	0		0
Depreciation of rental equipment	0	0	0		0
Cost of rental equipment sales	0	0	0		0
Cost of new equipment sales	0	0	0		0
Cost of contractor supplies sales	0	0	0		0
Cost of service and other revenues	0	0	0		0
Total cost of revenues	0	0	0		0
Gross profit	0	0	0		0
Selling, general and administrative expenses	7	7	26		20
RSC merger related costs	0		0
Restructuring charge	0	0	0		0
Non-rental depreciation and amortization	5	4	12		11
Operating (loss) income	(12)	(11)	(38)		(31)
Interest expense (income), net	3	3	9		9
Interest expense-subordinated convertible debentures	1	1	3		5
Other expense (income), net	(23)	(19)	(61)		(51)
Income from continuing operations before provision for income taxes	7	4	11		6
Provision (benefit) for income taxes	0	2	1		2
Income (loss) from continuing operations					4
Loss from discontinued operation, net of taxes					0
Income (loss) before equity in net earnings (loss) of subsidiaries	7	2	10		4
Equity in net earnings (loss) of subsidiaries	66	63	24		68
Net income	73	65	34		72
Other comprehensive (loss) income	21	(37)	19		(24)
Comprehensive income	94	28	53		48
URNA [Member]
Revenues:
Equipment rentals	906	284	1,821		756
Sales of rental equipment	89	25	194		66
Sales of new equipment	18	10	39		27
Contractor supplies sales	19	12	43		30
Service and other revenues	16	11	41		33
Total revenues	1,048	342	2,138		912
Cost of revenues:
Cost of equipment rentals, excluding depreciation	343	126	730		360
Depreciation of rental equipment	180	57	375		165
Cost of rental equipment sales	65	16	136		42
Cost of new equipment sales	14	8	31		22
Cost of contractor supplies sales	15	7	31		20
Cost of service and other revenues	6	6	16		15
Total cost of revenues	623	220	1,319		624
Gross profit	425	122	819		288
Selling, general and administrative expenses	133	40	271		111
RSC merger related costs	8		98
Restructuring charge	38	1	90		3
Non-rental depreciation and amortization	60	4	105		12
Operating (loss) income	186	77	255		162
Interest expense (income), net	122	51	241		155
Interest expense-subordinated convertible debentures	0	0	0		0
Other expense (income), net	49	17	79		42
Income from continuing operations before provision for income taxes	15	9	(65)		(35)
Provision (benefit) for income taxes	2	(20)	(23)		(18)
Income (loss) from continuing operations					(17)
Loss from discontinued operation, net of taxes					(1)
Income (loss) before equity in net earnings (loss) of subsidiaries	13	29	(42)		(18)
Equity in net earnings (loss) of subsidiaries	53	34	66		86
Net income	66	63	24		68
Other comprehensive (loss) income	21	(37)	19		(24)
Comprehensive income	87	26	43		44
Guarantor Subsidiaries [Member]
Revenues:
Equipment rentals	0	213	249		540
Sales of rental equipment	0	11	32		32
Sales of new equipment	0	6	7		15
Contractor supplies sales	0	6	7		19
Service and other revenues	0	5	8		16
Total revenues	0	241	303		622
Cost of revenues:
Cost of equipment rentals, excluding depreciation	0	97	117		265
Depreciation of rental equipment	0	35	50		101
Cost of rental equipment sales	0	7	20		21
Cost of new equipment sales	0	5	6		12
Cost of contractor supplies sales	0	4	5		13
Cost of service and other revenues	(1)	1	2		5
Total cost of revenues	(1)	149	200		417
Gross profit	1	92	103		205
Selling, general and administrative expenses	0	35	47		100
RSC merger related costs	0		0
Restructuring charge	0	1	0		2
Non-rental depreciation and amortization	0	2	5		11
Operating (loss) income	1	54	51		92
Interest expense (income), net	1	(7)	34		(4)
Interest expense-subordinated convertible debentures	0	0	0		0
Other expense (income), net	1	12	10		27
Income from continuing operations before provision for income taxes	(1)	49	7		69
Provision (benefit) for income taxes	0	34	17		28
Income (loss) from continuing operations					41
Loss from discontinued operation, net of taxes					0
Income (loss) before equity in net earnings (loss) of subsidiaries	(1)	15	(10)		41
Equity in net earnings (loss) of subsidiaries	37	20	70		40
Net income	36	35	60		81
Other comprehensive (loss) income	20	(36)	19		(23)
Comprehensive income	56	(1)	79		58
Non Guarantor Subsidiaries Foreign [Member]
Revenues:
Equipment rentals	145	107	349		266
Sales of rental equipment	12	6	32		17
Sales of new equipment	6	8	18		18
Contractor supplies sales	4	5	14		17
Service and other revenues	4	4	14		13
Total revenues	171	130	427		331
Cost of revenues:
Cost of equipment rentals, excluding depreciation	52	38	144		115
Depreciation of rental equipment	24	18	66		46
Cost of rental equipment sales	7	4	19		10
Cost of new equipment sales	5	6	14		14
Cost of contractor supplies sales	2	4	9		12
Cost of service and other revenues	2	0	5		4
Total cost of revenues	92	70	257		201
Gross profit	79	60	170		130
Selling, general and administrative expenses	23	17	57		52
RSC merger related costs	0		0
Restructuring charge	2	0	3		0
Non-rental depreciation and amortization	6	3	12		5
Operating (loss) income	48	40	98		73
Interest expense (income), net	1	2	3		3
Interest expense-subordinated convertible debentures	0	0	0		0
Other expense (income), net	2	2	9		8
Income from continuing operations before provision for income taxes	45	36	86		62
Provision (benefit) for income taxes	8	9	17		18
Income (loss) from continuing operations					44
Loss from discontinued operation, net of taxes					0
Income (loss) before equity in net earnings (loss) of subsidiaries	37	27	69		44
Equity in net earnings (loss) of subsidiaries	0	0	0		0
Net income	37	27	69		44
Other comprehensive (loss) income	12	(19)	11		(13)
Comprehensive income	49	8	80		31
Non Guarantor Subsidiaries SPV [Member]
Revenues:
Equipment rentals	0	0	0	[2]	0
Sales of rental equipment	0	0	0	[2]	0
Sales of new equipment	0	0	0	[2]	0
Contractor supplies sales	0	0	0	[2]	0
Service and other revenues	0	0	0	[2]	0
Total revenues	0	0	0	[2]	0
Cost of revenues:
Cost of equipment rentals, excluding depreciation	0	0	0	[2]	0
Depreciation of rental equipment	0	0	0	[2]	0
Cost of rental equipment sales	0	0	0	[2]	0
Cost of new equipment sales	0	0	0	[2]	0
Cost of contractor supplies sales	0	0	0	[2]	0
Cost of service and other revenues	0	0	0	[2]	0
Total cost of revenues	0	0	0	[2]	0
Gross profit	0	0	0	[2]	0
Selling, general and administrative expenses	1	4	11	[2]	15
RSC merger related costs	0		0	[2]
Restructuring charge	0	0	0	[2]	0
Non-rental depreciation and amortization	0	0	0	[2]	0
Operating (loss) income	(1)	(4)	(11)	[2]	(15)
Interest expense (income), net	1	1	32	[2]	3
Interest expense-subordinated convertible debentures	0	0	0	[2]	0
Other expense (income), net	(29)	(10)	(50)	[2]	(28)
Income from continuing operations before provision for income taxes	27	5	7	[2]	10
Provision (benefit) for income taxes	11	6	3	[2]	5
Income (loss) from continuing operations					5
Loss from discontinued operation, net of taxes					0
Income (loss) before equity in net earnings (loss) of subsidiaries	16	(1)	4	[2]	5
Equity in net earnings (loss) of subsidiaries	0	0	0	[2]	0
Net income	16	(1)	4	[2]	5
Other comprehensive (loss) income	0	0	0	[2]	0
Comprehensive income	16	(1)	4	[2]	5
Eliminations [Member]
Revenues:
Equipment rentals	0	0	0		0
Sales of rental equipment	0	0	0		0
Sales of new equipment	0	0	0		0
Contractor supplies sales	0	0	0		0
Service and other revenues	0	0	0		0
Total revenues	0	0	0		0
Cost of revenues:
Cost of equipment rentals, excluding depreciation	0	0	0		0
Depreciation of rental equipment	0	0	0		0
Cost of rental equipment sales	0	0	0		0
Cost of new equipment sales	0	0	0		0
Cost of contractor supplies sales	0	0	0		0
Cost of service and other revenues	0	0	0		0
Total cost of revenues	0	0	0		0
Gross profit	0	0	0		0
Selling, general and administrative expenses	0	0	0		0
RSC merger related costs	0		0
Restructuring charge	0	0	0		0
Non-rental depreciation and amortization	0	0	0		0
Operating (loss) income	0	0	0		0
Interest expense (income), net	(1)	7	(3)		4
Interest expense-subordinated convertible debentures	0	0	0		0
Other expense (income), net	0	0	0		0
Income from continuing operations before provision for income taxes	1	(7)	3		(4)
Provision (benefit) for income taxes	0	0	0		0
Income (loss) from continuing operations					(4)
Loss from discontinued operation, net of taxes					0
Income (loss) before equity in net earnings (loss) of subsidiaries	1	(7)	3		(4)
Equity in net earnings (loss) of subsidiaries	(156)	(117)	(160)		(194)
Net income	(155)	(124)	(157)		(198)
Other comprehensive (loss) income	(53)	92	(49)		60
Comprehensive income	$ (208)	$ (32)	$ (206)		$ (138)

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

[2] Includes interest expense prior to the April 30, 2012 RSC acquisition date on the merger financing debt issued by Funding SPV, as discussed further in note 8 to our condensed consolidated financial statements