10-K/A

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

__________________________________________________________________________________________

FORM 10-K/A

(Amendment No. 1)

ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF

THE SECURITIES EXCHANGE ACT OF 1934

FOR THE FISCAL YEAR ENDED DECEMBER 31, 2011

Commission File Number 1-14387

United Rentals, Inc.

Commission File Number 1-13663

United Rentals (North America), Inc.

(Exact Names of Registrants as Specified in Their Charters)

__________________________________________________________________________________________

Delaware Delaware	06-1522496 06-1493538
(States of Incorporation)	(I.R.S. Employer Identification Nos.)
Five Greenwich Office Park, Greenwich, Connecticut	06831
(Address of Principal Executive Offices)	(Zip Code)

Registrants’ Telephone Number, Including Area Code: (203) 622-3131

Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class	Name of Each Exchange on Which Registered
Common Stock, $.01 par value, of United Rentals, Inc.	New York Stock Exchange

Securities registered pursuant to Section 12(g) of the Act:    None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.  Yes  þ   No o

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.  Yes  o     No þ

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.  Yes  þ No o

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).  Yes  þ  No o

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. þ

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):  

Large Accelerated Filer þ Accelerated Filer o Non-Accelerated Filer o Smaller Reporting Company o

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).       Yes  o     No þ

As of June 30, 2011 there were 62,607,743 shares of United Rentals, Inc. common stock outstanding. The aggregate market value of common stock held by non-affiliates (defined as other than directors, executive officers and 10 percent beneficial owners) at June 30, 2011 was approximately $1.38 billion, calculated by using the closing price of the common stock on such date on the New York Stock Exchange of $25.40.

As of February 3, 2012, there were 62,959,239 shares of United Rentals, Inc. common stock outstanding. There is no market for the common stock of United Rentals (North America), Inc., all outstanding shares of which are owned by United Rentals, Inc.

This Form 10-K is separately filed by (i) United Rentals, Inc. and (ii) United Rentals (North America), Inc. (which is a wholly owned subsidiary of United Rentals, Inc.). United Rentals (North America), Inc. meets the conditions set forth in General Instruction (I)(1)(a) and (b) of Form 10-K and is therefore filing this form with the reduced disclosure format permitted by such instruction.

Documents incorporated by reference: Portions of United Rentals, Inc.’s Proxy Statement related to the 2012 Annual Meeting of Stockholders, which is expected to be filed with the Securities and Exchange Commission on or before April 27, 2012, are incorporated by reference into Part III of this annual report.

EXPLANATORY NOTE

The purpose of this Amendment No. 1 to our Annual Report on Form 10-K for the fiscal year ended December 31, 2011, as filed with the Securities and Exchange Commission on January 25, 2012, is to furnish the interactive data files as Exhibit 101 to the Form 10-K. Exhibit 101 to this Amendment No. 1 provides the following items from the Form 10-K formatted in XBRL (Extensible Business Reporting Language): (i) our consolidated balance sheets, (ii) our consolidated statements of income, (iii) our consolidated statements of stockholders' equity (deficit), (iv) our consolidated statements of cash flows, (v) the notes to our consolidated financial statements and (vi) the schedule to our consolidated financial statements.

Users of this data are advised that pursuant to Rule 406T of Regulation S-T, these interactive data files are deemed not filed or part of a registration statement or prospectus for purposes of sections 11 or 12 of the Securities Act of 1933, are deemed not filed for purposes of section 18 of the Securities and Exchange Act of 1934, and otherwise are not subject to liability under those sections.

No other changes have been made to the Form 10-K other than those described above. This Amendment No. 1 does not reflect subsequent events occurring after the original filing date of the Form 10-K or modify or update in any way disclosures made in the Form 10-K.

Exhibits

Exhibit  Number	Description of Exhibit
101.INS	XBRL Instance Document
101.SCH	XBRL Taxonomy Extension Schema Document
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF	XBRL Taxonomy Definition Linkbase Document
101.LAB	XBRL Taxonomy Extension Label Linkbase Document
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

		UNITED RENTALS, INC.
Date:	February 6, 2012	By:	/s/    JOHN J. FAHEY
			Vice President, Controller and Principal Accounting Officer

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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2011

Income Taxes Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit)

The components of the provision (benefit) for income taxes from continuing operations for each of the three years in the period ended December 31, 2011 are as follows:

	Year ended December 31,
	2011		2010			2009
Current
Federal	$	—	$	—		$	(55	)
Foreign	22		16			5
State and local	2		1			(1		)
	24		17			(51		)
Deferred
Federal	36		(48		)	13
Foreign	1		(1		)	2
State and local	2		(9		)	(11		)
	39		(58		)	4
Total	$	63	$	(41	)	$	(47	)

Schedule of Effective Income Tax Rate Reconciliation

A reconciliation of the provision (benefit) for income taxes and the amount computed by applying the statutory federal income tax rate of 35 percent to the income (loss) from continuing operations before provision (benefit) for income taxes for each of the three years in the period ended December 31, 2011 is as follows:

	Year ended December 31,
	2011			2010			2009
Computed tax at statutory tax rate	$	57		$	(22	)	$	(38	)
State income taxes, net of federal tax benefit	3			(8		)	(7		)
Non-deductible expenses and other (1)	12			(6		)	(1		)
Foreign taxes	(9		)	(5		)	(1		)
Total	$	63		$	(41	)	$	(47	)

(1) 2011 non-deductible expenses and other includes $6 due to the non-deductibility of certain costs associated with the proposed RSC acquisition and $3 related to an adjustment of federal and state deferred tax liabilities. 2010 non-deductible expenses and other includes a benefit of $7 related to a correction of a deferred tax asset recognized in prior periods.

Schedule of Deferred Tax Assets and Liabilities

The components of deferred income tax assets (liabilities) are as follows:

	December 31, 2011								December 31, 2010
	Current		Non Current			Total			Current		Non Current			Total
Reserves and allowances	$	45	$	33		$	78		$	69	$	9		$	78
Intangibles	—		45			45			—		81			81
Net operating loss and credit carryforwards	59		97			156			—		167			167
Total deferred tax assets	104		175			279			69		257			326
Property and equipment	—		(620		)	(620		)	—		(618		)	(618		)
Intangibles	—		(5		)	(5		)	—		—			—
Debt cancellation and other	—		(18		)	(18		)	—		(22		)	(22		)
Valuation allowance	—		(2		)	(2		)	—		(2		)	(2		)
Total deferred tax liability	—		(645		)	(645		)	—		(642		)	(642		)
Total deferred income tax asset (liability)	$	104	$	(470	)	$	(366	)	$	69	$	(385	)	$	(316	)

Schedule of Unrecognized Tax Benefits Rollforward

A reconciliation of the beginning and ending amounts of unrecognized tax benefits is as follows:

	2011		2010
Balance at January 1	$	4	$	6
Settlements	—		(2		)
Balance at December 31	$	4	$	4

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Rental Equipment (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Property, Plant and Equipment [Line Items]
Rental equipment	$ 667	$ 673
Less accumulated depreciation	(301)	(280)
Rental equipment, net	2,617	2,280
Rental Equipment [Member]
Property, Plant and Equipment [Line Items]
Rental equipment	4,209	3,787
Less accumulated depreciation	(1,592)	(1,507)
Rental equipment, net	$ 2,617	$ 2,280

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Segment Information (Narrative) (Details)	12 Months Ended
	Dec. 31, 2011 Region
General Rentals [Member]
Product Information [Line Items]
Number of Geographic Regions Entity Operates In	7
General Construction And Industrial Equipment [Member] | General Rentals [Member]
Product Information [Line Items]
Revenue Rentals Net Percentage	41.00%
Aerial Work Platforms [Member] | General Rentals [Member]
Product Information [Line Items]
Revenue Rentals Net Percentage	39.00%
General Tools And Light Equipment [Member] | General Rentals [Member]
Product Information [Line Items]
Revenue Rentals Net Percentage	8.00%
Trench Safety Equipment [Member] | Trench Safety, Power and HVAC [Member]
Product Information [Line Items]
Revenue Rentals Net Percentage	6.00%
Power And HVAC Equipment [Member] | Trench Safety, Power and HVAC [Member]
Product Information [Line Items]
Revenue Rentals Net Percentage	6.00%

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Income Taxes (Components of deferred tax assets and liabilities) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Components Of Deferred Tax Assets And Liabilities [Line Items]
Reserves and allowances	$ 78	$ 78
Intangibles	45	81
Net operating loss and credit carryforwards	156	167
Deferred tax assets - current	104	69
Deferred tax assets - non-current	175	257
Deferred tax assets	279	326
Property and equipment	(620)	(618)
Intangibles	(5)	0
Debt cancellation and other	(18)	(22)
Valuation allowance - current	0	0
Valuation allowance - non-current	(2)	(2)
Valuation allowance	(2)	(2)
Deferred tax liability - current	0	0
Deferred tax liability - non-current	(645)	(642)
Deferred tax liability	(645)	(642)
Net deferred tax asset (liability) - current	104	69
Net deferred tax assets (liability) - non-current	(470)	(385)
Net deferred tax asset (liability)	(366)	(316)
Current [Member]
Components Of Deferred Tax Assets And Liabilities [Line Items]
Reserves and allowances	45	69
Intangibles	0	0
Net operating loss and credit carryforwards	59	0
Property and equipment	0	0
Intangibles	0	0
Debt cancellation and other	0	0
Non-Current [Member]
Components Of Deferred Tax Assets And Liabilities [Line Items]
Reserves and allowances	33	9
Intangibles	45	81
Net operating loss and credit carryforwards	97	167
Property and equipment	(620)	(618)
Intangibles	(5)	0
Debt cancellation and other	$ (18)	$ (22)

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Property and Equipment (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 667	$ 673
Less accumulated depreciation and amortization	(301)	(280)
Property and equipment, net	366	393
Land [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	109	112
Building [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	223	227
Vehicles [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	15	20
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	39	39
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	123	109
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 158	$ 166

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Quarterly Financial Information (Unaudited) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended																12 Months Ended
	Dec. 31, 2011		Sep. 30, 2011		Jun. 30, 2011		Mar. 31, 2011		Dec. 31, 2010		Sep. 30, 2010		Jun. 30, 2010		Mar. 31, 2010		Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2009
Selected Quarterly Financial Information [Abstract]
Total revenues	$ 746	[1]	$ 713		$ 629		$ 523		$ 597	[2]	$ 605		$ 557		$ 478		$ 2,611		$ 2,237		$ 2,358
Gross profit	275	[1]	274		211		138		175	[2]	209		171		103		898		658		610
Operating income	115	[1]	156		95		30		47	[2]	93		59		(2)		396		197		114
Income (loss) from continuing operations	28	[1]	65		28		(20)		(17)	[2]	23		12		(40)		101		(22)		(60)
Income (loss) from continuing operations - basic (in dollars per share)	$ 0.45	[1]	$ 1.04		$ 0.45		$ (0.34)		$ (0.29)	[2]	$ 0.37		$ 0.20		$ (0.67)		$ 1.62		$ (0.38)		$ (0.98)
Income (loss) from continuing operations - diluted (in dollars per share)	$ 0.39	[1],[3]	$ 0.91	[3]	$ 0.38	[3]	$ (0.34)	[3]	$ (0.29)	[2],[3]	$ 0.33	[3]	$ 0.18	[3]	$ (0.67)	[3]	$ 1.38	[3]	$ (0.38)	[3]	$ (0.98)
Net income (loss)	$ 29	[1]	$ 65		$ 27		$ (20)		$ (21)	[2]	$ 23		$ 12		$ (40)		$ 101		$ (26)		$ (62)
Earnings Per Share, Diluted, Other Disclosures [Abstract]
RSC merger relatd costs (in dollars per share)	$ (0.25)	[4]	$ 0.00		$ 0.00		$ 0.00										$ (0.25)	[4]
Restructuring charge (in dollars per share)	$ (0.12)	[5]	$ (0.01)	[5]	$ (0.01)	[5]	$ (0.01)	[5]	$ (0.15)	[5]	$ (0.06)	[5]	$ (0.06)	[5]	$ (0.06)	[5]	$ (0.16)	[5]	$ (0.34)	[5]
Losses on repurchase/retirement of debt securities and subordinated convertible debentures, and ABL amendment (in dollars per share)	$ (0.03)	[6]	$ 0.00	[6]	$ 0.00	[6]	$ (0.01)	[6]	$ (0.24)	[6]	$ 0.00	[6]	$ 0.01	[6]	$ (0.04)	[6]	$ (0.04)	[6]	$ (0.28)	[6]
Asset impairment charge (in dollars per share)	$ (0.03)	[7]	$ 0.00	[7]	$ (0.01)	[7]	$ 0.00	[7]	$ (0.06)	[7]	$ (0.01)	[7]	$ (0.02)	[7]	$ 0.00	[7]	$ (0.04)	[7]	$ (0.09)	[7]

[1] During the fourth quarter of 2011, we recognized $19 of charges associated with the proposed RSC merger. Additionally, during the quarter, we closed 18 branches and recognized restructuring charges of $14. During the quarter, we also recognized asset impairment charges of $3 which are primarily reflected in non-rental depreciation and amortization and principally relate to write-offs of leasehold improvements and other fixed assets in connection with the consolidation of our branch network. In the quarter, we also purchased an aggregate of $32 of QUIPS for $32. In connection with this transaction, we retired $32 principal amount of our subordinated convertible debentures and recognized a loss of $1 in interest expense-subordinated convertible debentures, net, inclusive of the write-off of capitalized debt issuance costs. Interest expense, net for the fourth quarter of 2011 also includes a loss of $3 reflecting write-offs of debt issuance costs associated with the amendment of our ABL facility discussed above. During the quarter, we also recognized a benefit of $8 in cost of equipment rentals, excluding depreciation related to our provision for self-insurance reserves.

[2] During the fourth quarter of 2010, we repurchased or redeemed and subsequently retired an aggregate of $814 principal amount of our outstanding 7 3/4 percent Senior Subordinated Notes due 2013, 7 percent Senior Subordinated Notes due 2014 and 1 7/8 percent Convertible Senior Subordinated Notes due 2023. Interest expense, net for the fourth quarter of 2010 includes a charge of $25, representing the difference between the net carrying amount of these securities and the total purchase price of $827. The $25 charge includes a $4 write-off of a previously terminated derivative transaction. During the quarter, we also recognized restructuring charges of $15 related to the closure of 22 branches and reductions in headcount of approximately 100, and recognized asset impairment charges of $6. These asset impairment charges are primarily reflected in non-rental depreciation and amortization and principally relate to write-offs of leasehold improvement and other fixed assets in connection with the consolidation of our branch network. Additionally, the income tax provision (benefit) for the quarter includes a benefit of $7 related to a correction of a deferred tax asset recognized in prior periods. During the quarter, we also recognized a charge of $24 related to our provision for self-insurance reserves, comprised of $18 recorded in cost of equipment rentals, excluding depreciation, and $6 recorded in discontinued operation. The charge reflected recent adverse experience in our portfolio of automobile and general liability claims, as well as worker’s compensation claims. The discontinued operation component of the charge is reflected net of taxes in our consolidated statements of income.

[3] Diluted earnings (loss) per share from continuing operations includes the after-tax impacts of the following: First Quarter Second Quarter Third Quarter Fourth Quarter Full YearFor the year ended December 31, 2011: RSC merger related costs (4)$— $— $— $(0.25) $(0.25)Restructuring charge (5)(0.01) (0.01) (0.01) (0.12) (0.16)Losses on repurchase/retirement of debt securities and subordinated convertible debentures, and ABL amendment (6)(0.01) — — (0.03) (0.04)Asset impairment charge (7)— (0.01) — (0.03) (0.04)For the year ended December 31, 2010: Restructuring charge (5)(0.06) $(0.06) $(0.06) $(0.15) $(0.34)(Losses) gains on repurchase/retirement of debt securities (6)(0.04) 0.01 — (0.24) (0.28)Asset impairment charge (7)— (0.02) (0.01) (0.06) (0.09)

[4] This relates to transaction costs associated with the proposed RSC merger discussed above (see note 1 “Organization, Description of Business and Consolidation”).

[5] As discussed above (see note 5 “Restructuring and Asset Impairment Charges”), this relates to branch closure charges and severance costs.

[6] As discussed above (see notes 12 “Debt” and 13 "Subordinated Convertible Debentures"), this reflects (losses) gains on the repurchase/retirement of debt securities and subordinated convertible debentures, and write-offs of debt issuance costs associated with the October 2011 amendment of our ABL facility.

[7] As discussed above (see note 5 “Restructuring and Asset Impairment Charges”), this non-cash charge primarily reflects write-offs of leasehold improvements and other fixed assets.

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Summary Of Significant Accounting Policies (Details) (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Significant Accounting Policies [Line Items]
Deferred revenue	$ 16,000,000	$ 12,000,000
Advertising expense	0	2,000,000	6,000,000
Insurance Stop Loss Limit Self Insured Events	600,000
Percent Threshold Used To Define More Likely Than Not For Tax Purposes	50.00%
Revenue [Member] | Customer Concentration Risk [Member]
Significant Accounting Policies [Line Items]
Concentration risk, percentage	1.00%	1.00%	1.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member]
Significant Accounting Policies [Line Items]
Concentration risk, percentage	2.00%	1.00%
General Liability [Member]
Significant Accounting Policies [Line Items]
Insurance deductible, per occurence	2,000,000
Workers Compensation [Member]
Significant Accounting Policies [Line Items]
Insurance deductible, per occurence	1,000,000
Automobile Liability [Member]
Significant Accounting Policies [Line Items]
Insurance deductible, per occurence	2,000,000
Noncompete Agreements [Member]
Significant Accounting Policies [Line Items]
Finite lived intangible assets, minimum life (in years)	2
Finite lived intangible assets, maximum life (in years)	5
Customer Relationships [Member]
Significant Accounting Policies [Line Items]
Finite lived intangible assets, minimum life (in years)	8
Finite lived intangible assets, maximum life (in years)	12
Assets Leased to Others [Member]
Significant Accounting Policies [Line Items]
PP&E minimum useful life (in years)	2
PP&E maximum useful life (in years)	12
PP&E additions	10,000,000	12,000,000	33,000,000
Cost of services, maintenance costs	$ 291,000,000	$ 262,000,000	$ 256,000,000
Other Capitalized Property Plant and Equipment [Member]
Significant Accounting Policies [Line Items]
PP&E minimum useful life (in years)	2
PP&E maximum useful life (in years)	39
Minimum [Member] | Assets Leased to Others [Member]
Significant Accounting Policies [Line Items]
PP&E salvage value (in percent)	0.00%
Maximum [Member] | Assets Leased to Others [Member]
Significant Accounting Policies [Line Items]
PP&E salvage value (in percent)	10.00%

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Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2011

Property and Equipment Disclosure [Abstract]

Property, Plant and Equipment

Property and equipment consist of the following:

	December 31,
	2011			2010
Land	$	109		$	112
Buildings	223			227
Non-rental vehicles	15			20
Machinery and equipment	39			39
Furniture and fixtures	123			109
Leasehold improvements	158			166
	667			673
Less accumulated depreciation and amortization	(301		)	(280		)
Property and equipment, net	$	366		$	393

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Quarterly Financial Information (Unaudited) (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended
	Dec. 31, 2011 branches	Dec. 31, 2010 branches employees	Dec. 31, 2011	Dec. 31, 2010		Dec. 31, 2009
Selected Quarterly Financial Information [Abstract]
RSC merger related costs			$ 19	$ 0		$ 0
Restructuring, Number of Locations Eliminated	18	22
Restructuring Charges		15	19	34		31
Asset Impairment Charges		6
Gains (Losses) on Extinguishment of Debt		25	3	28	[1]	(7)
Write off of Deferred Debt Issuance Cost				12
Self Insurance Reserve Benefit	8	24
Extinguishment of Debt, Amount		814	5	1,273
Repayments of Debt and Capital Lease Obligations			1,813	3,606		3,658
Repayments of Long-term Debt		827
Write Off Previously Terminated Derivative Transaction		4		4
Restructuring and Related Cost, Number of Positions Eliminated		100
Tax Adjustments, Settlements, and Unusual Provisions		7	(3)	7
RSC [Member]
Selected Quarterly Financial Information [Abstract]
RSC merger related costs	19
Non Rental Depreciation And Amortization [Member]
Selected Quarterly Financial Information [Abstract]
Asset Impairment Charges	3
Cost Of Equipment Rentals Excluding Depreciation [Member]
Selected Quarterly Financial Information [Abstract]
Self Insurance Reserve Benefit		18
Discontinued Operation or Asset Disposal [Member]
Selected Quarterly Financial Information [Abstract]
Self Insurance Reserve Benefit		6
QUIPS [Member] | Unconsolidated Subsidiaries [Member]
Selected Quarterly Financial Information [Abstract]
Extinguishment of Debt, Amount	32		69	22
Repayments of Debt and Capital Lease Obligations	32		68	9
Six Point Five Percent Subordinated Convertible Debentures [Member]
Selected Quarterly Financial Information [Abstract]
Gains (Losses) on Extinguishment of Debt	(1)		2	(13)
Extinguishment of Debt, Amount			69	22
Debt Instrument, Interest Rate, Stated Percentage	6.50%		6.50%
7 3/4 percent Senior Subordinated Notes
Selected Quarterly Financial Information [Abstract]
Debt Instrument, Interest Rate, Stated Percentage	7.75%		7.75%
7 percent Senior Subordinated Notes
Selected Quarterly Financial Information [Abstract]
Debt Instrument, Interest Rate, Stated Percentage	7.00%		7.00%
1 7/8 percent Convertible Senior Subordinated Notes
Selected Quarterly Financial Information [Abstract]
Extinguishment of Debt, Amount			93
Debt Instrument, Interest Rate, Stated Percentage	1.875%		1.875%
Facility Closing [Member]
Selected Quarterly Financial Information [Abstract]
Restructuring Charges	$ 14

[1] The amount of the loss is calculated as the difference between the net carrying amount of the related security and the repurchase price. The net carrying amounts of the securities are less than the principal amounts due to capitalized debt issuance costs and any original issue discount. Aggregate costs of less than $1 and $16 were written off in the years ended December 31, 2011 and 2010, respectively, in connection with the repurchases/redemptions. The $16 of aggregate costs written off in the year ended December 31, 2010 was comprised of $12 of write-offs of debt issuance costs and a $4 write-off of a previously terminated derivative transaction. The losses are reflected in interest expense, net in our consolidated statements of income.

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Commitments and Contingencies (Future minimum lease payments) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Operating Leased Assets [Line Items]
Operating Leases, Rent Expense, Minimum Rentals	$ 122	$ 129	$ 136
Real estate
Operating Leased Assets [Line Items]
2012	76
2013	64
2014	53
2015	42
2016	31
Thereafter	73
Total	339
Non-rental equipment
Operating Leased Assets [Line Items]
2012	37
2013	17
2014	12
2015	10
2016	6
Thereafter	10
Total	$ 92

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Goodwill and Other Intangible Assets (Other intangible assets) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended							0 Months Ended		0 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2011 Noncompete Agreements [Member]	Dec. 31, 2010 Noncompete Agreements [Member]	Dec. 31, 2011 Customer Relationships [Member]	Dec. 31, 2010 Customer Relationships [Member]	Dec. 15, 2011 Noncompete Agreements [Member] Months	Dec. 31, 2011 Noncompete Agreements [Member]	Dec. 15, 2011 Customer Relationships [Member] Years	Dec. 31, 2011 Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Remaining Amortization Period (in years or months)				46 months	27 months	9 years	5 years
Gross Carrying Amount				$ 30	$ 25	$ 121	$ 64
Accumulated amortization				25	24	43	36
Net amount				5	1	78	28
Acquired intangible assets									4		56
Acquired intangible assets, weighted average life (in years or months)								55		11.6
Amortization expense	8	7	8
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]
2012	12
2013	12
2014	10
2015	9
2016	8
Thereafter	32
Total	$ 83

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Common Stock (Share based payment award rollforward) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at beginning of period	3,353	2,782	2,341
Granted	63	851	910
Exercised	(1,831)	(196)	0
Canceled	(49)	(84)	(469)
Outstanding at end of period	1,536	3,353	2,782
Exercisable (in shares)	674	1,932	1,869
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price [Roll Forward]
Outstanding at beginning of period (in dollars per share)	$ 14.30	$ 15.40	$ 21.94
Granted (in dollars per share)	$ 31.49	$ 8.43	$ 3.74
Exercised (in dollars per share)	$ 19.25	$ 5.63	$ 0.00
Canceled (in dollars per share)	$ 7.85	$ 11.71	$ 25.45
Outstanding at end of period (in dollars per share)	$ 9.30	$ 14.30	$ 15.40
Exercisable (in dollars per share)	$ 10.14	$ 19.98	$ 21.03

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Condensed Consolidating Financial Information of Guarantor Subsidiaries CONDENSED CONSOLIDATING BALANCE SHEETS (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2008
ASSETS
Cash and cash equivalents	$ 36	$ 203	$ 169	$ 77
Accounts receivable, net	464	377
Intercompany receivable (payable)	0	0
Inventory	44	39
Prepaid expenses and other assets	75	37
Deferred taxes	104	69
Total current assets	723	725
Rental equipment, net	2,617	2,280
Property and equipment, net	366	393
Investment in subsidiaries	0	0
Goodwill and other intangible assets, net	372	227
Other long-term assets	65	68
Total assets	4,143	3,693
LIABILITIES AND STOCKHOLDERS' EQUITY (DEFICIT)
Short-term debt and current maturities of long-term debt	395	229
Accounts payable	206	132
Accrued expenses and other liabilities	263	208
Total current liabilities	864	569
Long-term debt	2,592	2,576
Subordinated convertible debentures	55	124
Deferred taxes	470	385
Other long-term liabilities	59	59
Total liabilities	4,040	3,713
Temporary equity (note 12)	39	0
Total stockholders' equity (deficit)	64	(20)
Total liabilities and stockholders' equity (deficit)	4,143	3,693
Parent Company [Member]
ASSETS
Cash and cash equivalents	0	0	0	0
Accounts receivable, net	0	0
Intercompany receivable (payable)	114	115
Inventory	0	0
Prepaid expenses and other assets	0	0
Deferred taxes	0	0
Total current assets	114	115
Rental equipment, net	0	0
Property and equipment, net	41	43
Investment in subsidiaries	227	173
Goodwill and other intangible assets, net	0	0
Other long-term assets	4	8
Total assets	386	339
LIABILITIES AND STOCKHOLDERS' EQUITY (DEFICIT)
Short-term debt and current maturities of long-term debt	129	0
Accounts payable	0	0
Accrued expenses and other liabilities	31	37
Total current liabilities	160	37
Long-term debt	0	124
Subordinated convertible debentures	55	124
Deferred taxes	16	17
Other long-term liabilities	52	57
Total liabilities	283	359
Temporary equity (note 12)	39
Total stockholders' equity (deficit)	64	(20)
Total liabilities and stockholders' equity (deficit)	386	339
URNA [Member]
Condensed Financial Information Other Details [Abstract]
Ownership Percentage In Subsidiaries	100.00%
ASSETS
Cash and cash equivalents	6	4	5	0
Accounts receivable, net	19	5
Intercompany receivable (payable)	(876)	(837)
Inventory	21	19
Prepaid expenses and other assets	55	31
Deferred taxes	100	65
Total current assets	(675)	(713)
Rental equipment, net	1,345	1,243
Property and equipment, net	177	186
Investment in subsidiaries	2,144	2,018
Goodwill and other intangible assets, net	130	99
Other long-term assets	60	60
Total assets	3,181	2,893
LIABILITIES AND STOCKHOLDERS' EQUITY (DEFICIT)
Short-term debt and current maturities of long-term debt	8	8
Accounts payable	120	83
Accrued expenses and other liabilities	139	146
Total current liabilities	267	237
Long-term debt	2,444	2,306
Subordinated convertible debentures	0	0
Deferred taxes	241	175
Other long-term liabilities	2	2
Total liabilities	2,954	2,720
Temporary equity (note 12)	0
Total stockholders' equity (deficit)	227	173
Total liabilities and stockholders' equity (deficit)	3,181	2,893
Guarantor Subsidiaries [Member]
Condensed Financial Information Other Details [Abstract]
Ownership Percentage In Subsidiaries	100.00%
ASSETS
Cash and cash equivalents	0	0	3	4
Accounts receivable, net	9	6
Intercompany receivable (payable)	772	735
Inventory	15	13
Prepaid expenses and other assets	1	4
Deferred taxes	3	3
Total current assets	800	761
Rental equipment, net	836	742
Property and equipment, net	120	136
Investment in subsidiaries	462	414
Goodwill and other intangible assets, net	102	83
Other long-term assets	1	0
Total assets	2,321	2,136
LIABILITIES AND STOCKHOLDERS' EQUITY (DEFICIT)
Short-term debt and current maturities of long-term debt	0	0
Accounts payable	47	26
Accrued expenses and other liabilities	48	0
Total current liabilities	95	26
Long-term debt	142	146
Subordinated convertible debentures	0	0
Deferred taxes	165	160
Other long-term liabilities	2	0
Total liabilities	404	332
Temporary equity (note 12)	0
Total stockholders' equity (deficit)	1,917	1,804
Total liabilities and stockholders' equity (deficit)	2,321	2,136
Non Guarantor Subsidiaries Foreign [Member]
ASSETS
Cash and cash equivalents	30	199	161	73
Accounts receivable, net	98	73
Intercompany receivable (payable)	(154)	(155)
Inventory	8	7
Prepaid expenses and other assets	19	2
Deferred taxes	1	1
Total current assets	2	127
Rental equipment, net	436	295
Property and equipment, net	28	28
Investment in subsidiaries	0	0
Goodwill and other intangible assets, net	140	45
Other long-term assets	0	0
Total assets	606	495
LIABILITIES AND STOCKHOLDERS' EQUITY (DEFICIT)
Short-term debt and current maturities of long-term debt	3	0
Accounts payable	39	23
Accrued expenses and other liabilities	45	25
Total current liabilities	87	48
Long-term debt	6	0
Subordinated convertible debentures	0	0
Deferred taxes	48	33
Other long-term liabilities	3	0
Total liabilities	144	81
Temporary equity (note 12)	0
Total stockholders' equity (deficit)	462	414
Total liabilities and stockholders' equity (deficit)	606	495
Non Guarantor Subsidiaries SPV [Member]
ASSETS
Cash and cash equivalents	0	0	0	0
Accounts receivable, net	338	293
Intercompany receivable (payable)	0	0
Inventory	0	0
Prepaid expenses and other assets	0	0
Deferred taxes	0	0
Total current assets	338	293
Rental equipment, net	0	0
Property and equipment, net	0	0
Investment in subsidiaries	0	0
Goodwill and other intangible assets, net	0	0
Other long-term assets	0	0
Total assets	338	293
LIABILITIES AND STOCKHOLDERS' EQUITY (DEFICIT)
Short-term debt and current maturities of long-term debt	255	221
Accounts payable	0	0
Accrued expenses and other liabilities	0	0
Total current liabilities	255	221
Long-term debt	0	0
Subordinated convertible debentures	0	0
Deferred taxes	0	0
Other long-term liabilities	0	0
Total liabilities	255	221
Temporary equity (note 12)	0
Total stockholders' equity (deficit)	83	72
Total liabilities and stockholders' equity (deficit)	338	293
Consolidation, Eliminations [Member]
ASSETS
Cash and cash equivalents	0	0	0	0
Accounts receivable, net	0	0
Intercompany receivable (payable)	144	142
Inventory	0	0
Prepaid expenses and other assets	0	0
Deferred taxes	0	0
Total current assets	144	142
Rental equipment, net	0	0
Property and equipment, net	0	0
Investment in subsidiaries	(2,833)	(2,605)
Goodwill and other intangible assets, net	0	0
Other long-term assets	0	0
Total assets	(2,689)	(2,463)
LIABILITIES AND STOCKHOLDERS' EQUITY (DEFICIT)
Short-term debt and current maturities of long-term debt	0	0
Accounts payable	0	0
Accrued expenses and other liabilities	0	0
Total current liabilities	0	0
Long-term debt	0	0
Subordinated convertible debentures	0	0
Deferred taxes	0	0
Other long-term liabilities	0	0
Total liabilities	0	0
Temporary equity (note 12)	0
Total stockholders' equity (deficit)	(2,689)	(2,463)
Total liabilities and stockholders' equity (deficit)	$ (2,689)	$ (2,463)

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Common Stock (Options) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified					12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2008	Dec. 31, 2011 $0.01 - $5.00 Years	Dec. 31, 2011 $5.01 - $10.00 Years	Dec. 31, 2011 $10.01 - 15.00 Years	Dec. 31, 2011 $15.01 - $20.00 Years	Dec. 31, 2011 $20.01 - $25.00 Years	Dec. 31, 2011 $25.01 - $30.00 Years	Dec. 31, 2011 $30.01 - $35.00 Years
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Low (in dollars per share)					$ 0.01	$ 5.01	$ 10.01	$ 15.01	$ 20.01	$ 25.01	$ 30.01
Range of Exercise Prices, Upper (in dollars per share)					$ 5.00	$ 10.00	$ 15.00	$ 20.00	$ 25.00	$ 30.00	$ 35.00
Amount Outstanding (in shares)	1,536	3,353	2,782	2,341	523	718	33	84	92	20	66
Weighted Average Remaining Contractual Life (in years)					7.2	8.2	7.5	2.8	2.1	5.0	9.0
Weighted Average Exercise Price (in dollars per share)	$ 9.30	$ 14.30	$ 15.40	$ 21.94	$ 3.40	$ 8.38	$ 11.44	$ 17.91	$ 21.93	$ 25.68	$ 31.64
Amoun Exercisable (in shares)	674	1,932	1,869		272	184	19	84	92	20	3
Weighted Average Exercise Price (in dollars per share)	$ 10.14	$ 19.98	$ 21.03		$ 3.39	$ 8.40	$ 11.45	$ 17.91	$ 21.93	$ 25.68	$ 34.86

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Income Taxes (Unrecognized tax benefits) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Income Tax Contingency [Line Items]
Balance at January 1	$ 4	$ 6
Settlements	0	(2)
Balance at December 31	$ 4	$ 4

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Quarterly Financial Information (Unaudited)

12 Months Ended

Dec. 31, 2011

Quarterly Financial Information (Unaudited) [Abstract]

Quarterly Financial Information

Quarterly Financial Information (Unaudited)

	First Quarter			Second Quarter		Third Quarter		Fourth Quarter			Full Year
For the year ended December 31, 2011 (1):
Total revenues	$	523		$	629	$	713	$	746		$	2,611
Gross profit	138			211		274		275			898
Operating income	30			95		156		115			396
(Loss) income from continuing operations	(20		)	28		65		28			101
(Loss) earnings per share from continuing operations—basic	(0.34		)	0.45		1.04		0.45			1.62
(Loss) earnings per share from continuing operations—diluted (3)	(0.34		)	0.38		0.91		0.39			1.38
Net (loss) income	(20		)	27		65		29			101
For the year ended December 31, 2010 (2):
Total revenues	$	478		$	557	$	605	$	597		$	2,237
Gross profit	103			171		209		175			658
Operating (loss) income	(2		)	59		93		47			197
(Loss) income from continuing operations	(40		)	12		23		(17		)	(22		)
(Loss) earnings per share from continuing operations—basic	(0.67		)	0.20		0.37		(0.29		)	(0.38		)
(Loss) earnings per share from continuing operations—diluted (3)	(0.67		)	0.18		0.33		(0.29		)	(0.38		)
Net (loss) income	(40		)	12		23		(21		)	(26		)

(1) During the fourth quarter of 2011, we recognized $19 of charges associated with the proposed RSC merger. Additionally, during the quarter, we closed 18 branches and recognized restructuring charges of $14. During the quarter, we also recognized asset impairment charges of $3 which are primarily reflected in non-rental depreciation and amortization and principally relate to write-offs of leasehold improvements and other fixed assets in connection with the consolidation of our branch network. In the quarter, we also purchased an aggregate of $32 of QUIPS for $32. In connection with this transaction, we retired $32 principal amount of our subordinated convertible debentures and recognized a loss of $1 in interest expense-subordinated convertible debentures, net, inclusive of the write-off of capitalized debt issuance costs.Interest expense, net for the fourth quarter of 2011 also includes a loss of $3 reflecting write-offs of debt issuance costs associated with the amendment of our ABL facility discussed above. During the quarter, we also recognized a benefit of $8 in cost of equipment rentals, excluding depreciation related to our provision for self-insurance reserves.

(2) During the fourth quarter of 2010, we repurchased or redeemed and subsequently retired an aggregate of $814 principal amount of our outstanding 7 ³/4 percent Senior Subordinated Notes due 2013, 7 percent Senior Subordinated Notes due 2014 and 1 ⁷/8 percent Convertible Senior Subordinated Notes due 2023. Interest expense, net for the fourth quarter of 2010 includes a charge of $25, representing the difference between the net carrying amount of these securities and the total purchase price of $827. The $25 charge includes a $4 write-off of a previously terminated derivative transaction. During the quarter, we also recognized restructuring charges of $15 related to the closure of 22 branches and reductions in headcount of approximately 100, and recognized asset impairment charges of $6. These asset impairment charges are primarily reflected in non-rental depreciation and amortization and principally relate to write-offs of leasehold improvement and other fixed assets in connection with the consolidation of our branch network. Additionally, the income tax provision (benefit) for the quarter includes a benefit of $7 related to a correction of a deferred tax asset recognized in prior periods. During the quarter, we also recognized a charge of $24 related to our provision for self-insurance reserves, comprised of $18 recorded in cost of equipment rentals, excluding depreciation, and $6 recorded in discontinued operation. The charge reflected recent adverse experience in our portfolio of automobile and general liability claims, as well as worker’s compensation claims. The discontinued operation component of the charge is reflected net of taxes in our consolidated statements of income.

(3) Diluted earnings (loss) per share from continuing operations includes the after-tax impacts of the following:

	First Quarter			Second Quarter			Third Quarter			Fourth Quarter			Full Year
For the year ended December 31, 2011:
RSC merger related costs (4)	$	—		$	—		$	—		$	(0.25	)	$	(0.25	)
Restructuring charge (5)	(0.01		)	(0.01		)	(0.01		)	(0.12		)	(0.16		)
Losses on repurchase/retirement of debt securities and subordinated convertible debentures, and ABL amendment (6)	(0.01		)	—			—			(0.03		)	(0.04		)
Asset impairment charge (7)	—			(0.01		)	—			(0.03		)	(0.04		)
For the year ended December 31, 2010:
Restructuring charge (5)	(0.06		)	$	(0.06	)	$	(0.06	)	$	(0.15	)	$	(0.34	)
(Losses) gains on repurchase/retirement of debt securities (6)	(0.04		)	0.01			—			(0.24		)	(0.28		)
Asset impairment charge (7)	—			(0.02		)	(0.01		)	(0.06		)	(0.09		)

(4) This relates to transaction costs associated with the proposed RSC merger discussed above (see note 1 “Organization, Description of Business and Consolidation”).

(5) As discussed above (see note 5 “Restructuring and Asset Impairment Charges”), this relates to branch closure charges and severance costs.

(6) As discussed above (see notes 12 “Debt” and 13 "Subordinated Convertible Debentures"), this reflects (losses) gains on the repurchase/retirement of debt securities and subordinated convertible debentures, and write-offs of debt issuance costs associated with the October 2011 amendment of our ABL facility.

(7) As discussed above (see note 5 “Restructuring and Asset Impairment Charges”), this non-cash charge primarily reflects write-offs of leasehold improvements and other fixed assets.

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Segment Information (Reconciliation to consolidated totals) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended										12 Months Ended
	Dec. 31, 2011		Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010		Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income	$ 115	[1]	$ 156	$ 95	$ 30	$ 47	[2]	$ 93	$ 59	$ (2)	$ 396	$ 197	$ 114
Restructuring Charges						(15)					(19)	(34)	(31)
Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income											434	231	145
Unallocated Amount to Segment [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Unallocated RSC merger related costs											(19)	0	0
Restructuring Charges											$ (19)	$ (34)	$ (31)

[1] During the fourth quarter of 2011, we recognized $19 of charges associated with the proposed RSC merger. Additionally, during the quarter, we closed 18 branches and recognized restructuring charges of $14. During the quarter, we also recognized asset impairment charges of $3 which are primarily reflected in non-rental depreciation and amortization and principally relate to write-offs of leasehold improvements and other fixed assets in connection with the consolidation of our branch network. In the quarter, we also purchased an aggregate of $32 of QUIPS for $32. In connection with this transaction, we retired $32 principal amount of our subordinated convertible debentures and recognized a loss of $1 in interest expense-subordinated convertible debentures, net, inclusive of the write-off of capitalized debt issuance costs. Interest expense, net for the fourth quarter of 2011 also includes a loss of $3 reflecting write-offs of debt issuance costs associated with the amendment of our ABL facility discussed above. During the quarter, we also recognized a benefit of $8 in cost of equipment rentals, excluding depreciation related to our provision for self-insurance reserves.

[2] During the fourth quarter of 2010, we repurchased or redeemed and subsequently retired an aggregate of $814 principal amount of our outstanding 7 3/4 percent Senior Subordinated Notes due 2013, 7 percent Senior Subordinated Notes due 2014 and 1 7/8 percent Convertible Senior Subordinated Notes due 2023. Interest expense, net for the fourth quarter of 2010 includes a charge of $25, representing the difference between the net carrying amount of these securities and the total purchase price of $827. The $25 charge includes a $4 write-off of a previously terminated derivative transaction. During the quarter, we also recognized restructuring charges of $15 related to the closure of 22 branches and reductions in headcount of approximately 100, and recognized asset impairment charges of $6. These asset impairment charges are primarily reflected in non-rental depreciation and amortization and principally relate to write-offs of leasehold improvement and other fixed assets in connection with the consolidation of our branch network. Additionally, the income tax provision (benefit) for the quarter includes a benefit of $7 related to a correction of a deferred tax asset recognized in prior periods. During the quarter, we also recognized a charge of $24 related to our provision for self-insurance reserves, comprised of $18 recorded in cost of equipment rentals, excluding depreciation, and $6 recorded in discontinued operation. The charge reflected recent adverse experience in our portfolio of automobile and general liability claims, as well as worker’s compensation claims. The discontinued operation component of the charge is reflected net of taxes in our consolidated statements of income.

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Quarterly Financial Information (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2011

Quarterly Financial Information (Unaudited) [Abstract]

Schedule of Quarterly Financial Information

	First Quarter			Second Quarter		Third Quarter		Fourth Quarter			Full Year
For the year ended December 31, 2011 (1):
Total revenues	$	523		$	629	$	713	$	746		$	2,611
Gross profit	138			211		274		275			898
Operating income	30			95		156		115			396
(Loss) income from continuing operations	(20		)	28		65		28			101
(Loss) earnings per share from continuing operations—basic	(0.34		)	0.45		1.04		0.45			1.62
(Loss) earnings per share from continuing operations—diluted (3)	(0.34		)	0.38		0.91		0.39			1.38
Net (loss) income	(20		)	27		65		29			101
For the year ended December 31, 2010 (2):
Total revenues	$	478		$	557	$	605	$	597		$	2,237
Gross profit	103			171		209		175			658
Operating (loss) income	(2		)	59		93		47			197
(Loss) income from continuing operations	(40		)	12		23		(17		)	(22		)
(Loss) earnings per share from continuing operations—basic	(0.67		)	0.20		0.37		(0.29		)	(0.38		)
(Loss) earnings per share from continuing operations—diluted (3)	(0.67		)	0.18		0.33		(0.29		)	(0.38		)
Net (loss) income	(40		)	12		23		(21		)	(26		)

(1) During the fourth quarter of 2011, we recognized $19 of charges associated with the proposed RSC merger. Additionally, during the quarter, we closed 18 branches and recognized restructuring charges of $14. During the quarter, we also recognized asset impairment charges of $3 which are primarily reflected in non-rental depreciation and amortization and principally relate to write-offs of leasehold improvements and other fixed assets in connection with the consolidation of our branch network. In the quarter, we also purchased an aggregate of $32 of QUIPS for $32. In connection with this transaction, we retired $32 principal amount of our subordinated convertible debentures and recognized a loss of $1 in interest expense-subordinated convertible debentures, net, inclusive of the write-off of capitalized debt issuance costs.Interest expense, net for the fourth quarter of 2011 also includes a loss of $3 reflecting write-offs of debt issuance costs associated with the amendment of our ABL facility discussed above. During the quarter, we also recognized a benefit of $8 in cost of equipment rentals, excluding depreciation related to our provision for self-insurance reserves.

(2) During the fourth quarter of 2010, we repurchased or redeemed and subsequently retired an aggregate of $814 principal amount of our outstanding 7 ³/4 percent Senior Subordinated Notes due 2013, 7 percent Senior Subordinated Notes due 2014 and 1 ⁷/8 percent Convertible Senior Subordinated Notes due 2023. Interest expense, net for the fourth quarter of 2010 includes a charge of $25, representing the difference between the net carrying amount of these securities and the total purchase price of $827. The $25 charge includes a $4 write-off of a previously terminated derivative transaction. During the quarter, we also recognized restructuring charges of $15 related to the closure of 22 branches and reductions in headcount of approximately 100, and recognized asset impairment charges of $6. These asset impairment charges are primarily reflected in non-rental depreciation and amortization and principally relate to write-offs of leasehold improvement and other fixed assets in connection with the consolidation of our branch network. Additionally, the income tax provision (benefit) for the quarter includes a benefit of $7 related to a correction of a deferred tax asset recognized in prior periods. During the quarter, we also recognized a charge of $24 related to our provision for self-insurance reserves, comprised of $18 recorded in cost of equipment rentals, excluding depreciation, and $6 recorded in discontinued operation. The charge reflected recent adverse experience in our portfolio of automobile and general liability claims, as well as worker’s compensation claims. The discontinued operation component of the charge is reflected net of taxes in our consolidated statements of income.

(3) Diluted earnings (loss) per share from continuing operations includes the after-tax impacts of the following:

	First Quarter			Second Quarter			Third Quarter			Fourth Quarter			Full Year
For the year ended December 31, 2011:
RSC merger related costs (4)	$	—		$	—		$	—		$	(0.25	)	$	(0.25	)
Restructuring charge (5)	(0.01		)	(0.01		)	(0.01		)	(0.12		)	(0.16		)
Losses on repurchase/retirement of debt securities and subordinated convertible debentures, and ABL amendment (6)	(0.01		)	—			—			(0.03		)	(0.04		)
Asset impairment charge (7)	—			(0.01		)	—			(0.03		)	(0.04		)
For the year ended December 31, 2010:
Restructuring charge (5)	(0.06		)	$	(0.06	)	$	(0.06	)	$	(0.15	)	$	(0.34	)
(Losses) gains on repurchase/retirement of debt securities (6)	(0.04		)	0.01			—			(0.24		)	(0.28		)
Asset impairment charge (7)	—			(0.02		)	(0.01		)	(0.06		)	(0.09		)

After Tax Impact On Diluted Earnings Per Share

Diluted earnings (loss) per share from continuing operations includes the after-tax impacts of the following:

	First Quarter			Second Quarter			Third Quarter			Fourth Quarter			Full Year
For the year ended December 31, 2011:
RSC merger related costs (4)	$	—		$	—		$	—		$	(0.25	)	$	(0.25	)
Restructuring charge (5)	(0.01		)	(0.01		)	(0.01		)	(0.12		)	(0.16		)
Losses on repurchase/retirement of debt securities and subordinated convertible debentures, and ABL amendment (6)	(0.01		)	—			—			(0.03		)	(0.04		)
Asset impairment charge (7)	—			(0.01		)	—			(0.03		)	(0.04		)
For the year ended December 31, 2010:
Restructuring charge (5)	(0.06		)	$	(0.06	)	$	(0.06	)	$	(0.15	)	$	(0.34	)
(Losses) gains on repurchase/retirement of debt securities (6)	(0.04		)	0.01			—			(0.24		)	(0.28		)
Asset impairment charge (7)	—			(0.02		)	(0.01		)	(0.06		)	(0.09		)

(4) This relates to transaction costs associated with the proposed RSC merger discussed above (see note 1 “Organization, Description of Business and Consolidation”).

(5) As discussed above (see note 5 “Restructuring and Asset Impairment Charges”), this relates to branch closure charges and severance costs.

(6) As discussed above (see notes 12 “Debt” and 13 "Subordinated Convertible Debentures"), this reflects (losses) gains on the repurchase/retirement of debt securities and subordinated convertible debentures, and write-offs of debt issuance costs associated with the October 2011 amendment of our ABL facility.

(7) As discussed above (see note 5 “Restructuring and Asset Impairment Charges”), this non-cash charge primarily reflects write-offs of leasehold improvements and other fixed assets.

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Common Stock (Narrative) (Details) (USD $)	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011 Employee Stock Option [Member]	Dec. 31, 2010 Employee Stock Option [Member]	Dec. 31, 2011 QUIPS [Member]	Dec. 31, 2010 QUIPS [Member]	Dec. 31, 2011 Convertible subordinated notes - 1 7/8 percent	Dec. 31, 2010 Convertible subordinated notes - 1 7/8 percent	Dec. 31, 2011 Convertible Subordinated Notes Four Percent [Member]	Dec. 31, 2010 Convertible Subordinated Notes Four Percent [Member]	Dec. 31, 2011 Convertible Subordinated Notes Four Percent [Member]	Nov. 30, 2009 Convertible Subordinated Notes Four Percent [Member]	Dec. 31, 2011 1 7/8 percent Convertible Senior Subordinated Notes
Class of Stock [Line Items]
Common Stock, Shares Authorized (in shares)	500,000,000	500,000,000
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Capital Shares Reserved for Future Issuance (in shares)			1,500,000	3,400,000	1,300,000	3,000,000	1,000,000	1,000,000	18,900,000	19,400,000
Debt Instrument, Interest Rate, Stated Percentage											4.00%	4.00%	1.875%
Debt Instrument, Convertible, Conversion Price (in dollars per share)											$ 11.11		$ 29.55
Share-based Compensation, Not Yet Vested (in shares)	1,000,000
Share-based Compensation Arrangement, Number of Shares Available for Grant (in shares)	1,700,000

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Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2011

Fair Value Disclosures [Abstract]

Fair Value, by Balance Sheet Grouping

The estimated fair values of our other financial instruments at December 31, 2011 and 2010 have been calculated based upon available market information or an appropriate valuation technique, and are as follows:

	December 31, 2011				December 31, 2010
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Subordinated convertible debentures	$	55	$	49	$	124	$	92
Senior and senior subordinated notes	1,861		1,933		1,854		2,020
Capital leases (1)	39		33		25		20

(1)    The fair value of capital leases is determined using the expected present value of the leases.

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Restructuring And Asset Impairment Charges (Schedule Of Restructuring Charges Table) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2009
Restructuring Cost and Reserve [Line Items]
Beginning reserve balance	$ 28	[1]	$ 21		$ 13
Charged to costs and expenses	19	[2]	34	[2]	31	[2]
Payments and other	(19)		(27)		(23)
Ending reserve balance	28	[1]	28	[1]	21
Branch closure charges
Restructuring Cost and Reserve [Line Items]
Beginning reserve balance	26		20		11
Charged to costs and expenses	17	[2]	28	[2]	24	[2]
Payments and other	(16)		(22)		(15)
Ending reserve balance	27		26		20
Severance costs
Restructuring Cost and Reserve [Line Items]
Beginning reserve balance	2		1		2
Charged to costs and expenses	2	[2]	6	[2]	7	[2]
Payments and other	(3)		(5)		(8)
Ending reserve balance	$ 1		$ 2		$ 1

[1] Relates to branch closure charges and severance costs. See note 5 (“Restructuring and Asset Impairment Charges”) for additional detail.

[2] Reflected in our consolidated statements of income as “Restructuring charge.”

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Debt (Maturity profile of long term debt) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011
Maturity profile:
2012	$ 266
2013	7
2014	7
2015	173
2016	1,312
Thereafter	1,279
Total	$ 3,044

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Fair Value Measurements (Assets and Liabilities Measured at Fair Value) (Details) (USD $)	Dec. 31, 2011	Dec. 31, 2010
1 7/8 percent Convertible Senior Subordinated Notes
Derivative [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	1.875%
Swap [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount (in gallons)	4,200,000
Derivative, Nonmonetary Notional Amount, Price Per Gallon	3.98
Derivative, Average Forward Price	3.79
Prepaid Expenses And Other Assets [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	$ 0
Prepaid Expenses And Other Assets [Member] | Maximum [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset		1,000,000
Prepaid Expenses And Other Assets [Member] | Maximum [Member] | Swap [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	0	1,000,000
Accrued Expenses And Other Liabilities [Member]
Derivative [Line Items]
Derivative Liability, Fair Value, Gross Liability		0
Accrued Expenses And Other Liabilities [Member] | Swap [Member]
Derivative [Line Items]
Derivative Liability, Fair Value, Gross Liability	1,000,000
Accrued Expenses And Other Liabilities [Member] | Maximum [Member] | Swap [Member]
Derivative [Line Items]
Derivative Liability, Fair Value, Gross Liability	$ 1,000,000

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Discontinued Operation (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended			1 Months Ended	12 Months Ended			12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Feb. 28, 2007 Traffic Control Business [Member]	Dec. 31, 2010 Traffic Control Business [Member]	Dec. 31, 2009 Traffic Control Business [Member]	Dec. 31, 2011 Traffic Control Business [Member]	Dec. 31, 2011 Maximum [Member] Traffic Control Business [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net proceeds from sale of discontinued operations				$ 66
Liability for Unpaid Claims and Claims Adjustment Expense, Gross					12		8
Loss from discontinued operation, net of taxes	$ 0	$ 4	$ 2		$ 4	$ 2		$ 1

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Organization, Description Of Business And Consolidation

12 Months Ended

Dec. 31, 2011

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Organization, Description of Business and Consolidation

Organization, Description of Business and Consolidation

United Rentals, Inc. ("Holdings") is principally a holding company and conducts its operations primarily through its wholly owned subsidiary, United Rentals (North America), Inc. (“URNA”), and subsidiaries of URNA. Holdings’ primary asset is its sole ownership of all issued and outstanding shares of common stock of URNA. URNA’s various credit agreements and debt instruments place restrictions on its ability to transfer funds to its stockholder. As used in this report, the terms the “Company,” “United Rentals,” “we,” “us,” and “our” refer to United Rentals, Inc. and its subsidiaries, unless otherwise indicated.

We rent equipment to a diverse customer base that includes construction and industrial companies, manufacturers, utilities, municipalities, homeowners and others in the United States and Canada. In addition to renting equipment, we sell new and used rental equipment, as well as related contractor supplies, parts and service.

During the year ended December 31, 2011, we completed the acquisitions of Venetor Group (“Venetor”), a seven location equipment rental company in Canada located in the province of Ontario, GulfStar Rental Solutions, LP (“GulfStar”), a three location power and HVAC (“heating, ventilating and air conditioning”) equipment rental company located in Texas and Louisiana, Ontario Laser Rentals Ltd. (“Ontario Laser”), a two location trench safety equipment rental company in Canada located in the province of Ontario, and Blue Mountain Equipment Rental Corporation (“Blue Mountain”), a company primarily focused on the industrial segment with three locations in Pennsylvania and West Virginia. Venetor, GulfStar, Ontario Laser and Blue Mountain had annual revenues of approximately $50, $15, $20 and $40, respectively. Our cash flows for the year ended December 31, 2011 reflect an aggregate of $276 paid to purchase these companies. The purchase price allocations for these acquisitions are based on preliminary valuations and are subject to change as we obtain additional information during each acquisition’s measurement period.

In addition, on December 15, 2011, we entered into a definitive merger agreement with RSC Holdings, Inc. (“RSC”), pursuant to which we have agreed to acquire RSC in a cash-and-stock transaction that ascribes a total enterprise value of $4.2 billion to RSC. Total cash consideration paid to holders of RSC common stock is expected to be approximately $1.1 billion and we anticipate issuing approximately 29 million shares of common stock in the merger. The cash portion of the merger will be financed through new debt issuances and drawing on current loan facilities. In connection with the proposed transaction, we intend to re-pay the outstanding amounts on RSC's existing senior secured credit facilities and senior secured notes due 2017, which totaled $854as of September 30, 2011, and assume all of RSC's remaining $1.4 billion of unsecured debt after such repayment. The proposed merger is subject to approval by our stockholders and RSC stockholders, regulatory approvals and other mutual conditions of the parties. We expect the merger to close in the first half of 2012.

The accompanying consolidated financial statements include our accounts and those of our controlled subsidiary companies. All significant intercompany accounts and transactions have been eliminated. We consolidate variable interest entities if we are deemed the primary beneficiary of the entity.

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Fair Value Measurements (Financial Instruments) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011		Dec. 31, 2010
Carrying (Reported) Amount, Fair Value Disclosure [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Subordinated convertible debentures	$ 55		$ 124
Senior and senior subordinated notes	1,861		1,854
Capital leases	39		25
Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Subordinated convertible debentures	49		92
Senior and senior subordinated notes	1,933		2,020
Capital leases	$ 33	[1]	$ 20	[1]

[1] The fair value of capital leases is determined using the expected present value of the leases.

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Earnings (Loss) Per Share (Tables)

12 Months Ended

Dec. 31, 2011

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The following table sets forth the computation of basic and diluted loss per share (shares in thousands):

	Year Ended December 31,
	2011		2010			2009
Numerator:
Income (loss) from continuing operations	$	101	$	(22	)	$	(60	)
Convertible debt interest—1 7/8 percent notes	—		—			—
Income (loss) from continuing operations available to common stockholders	101		(22		)	(60		)
Loss from discontinued operation	—		(4		)	(2		)
Net income (loss) available to common stockholders	$	101	$	(26	)	$	(62	)
Denominator:
Denominator for basic earnings (loss) per share—weighted-average common shares	62,184		60,455			60,100
Effect of dilutive securities:
Employee stock options and warrants	1,037		—			—
Convertible subordinated notes—1  7/8 percent	1,015		—			—
Convertible subordinated notes—4 percent	8,532		—			—
Restricted stock units	581		—			—
Denominator for diluted earnings (loss) per share—adjusted weighted-average common shares	73,349		60,455			60,100
Basic earnings (loss) per share:
Income (loss) from continuing operations	$	1.62	$	(0.38	)	$	(0.98	)
Loss from discontinued operation	—		(0.06		)	(0.04		)
Net income (loss)	$	1.62	$	(0.44	)	$	(1.02	)
Diluted earnings (loss) per share:
Income (loss) from continuing operations	$	1.38	$	(0.38	)	$	(0.98	)
Loss from discontinued operation	—		(0.06		)	(0.04		)
Net income (loss)	$	1.38	$	(0.44	)	$	(1.02	)

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Summary Of Significant Accounting Policies (Policies)

12 Months Ended

Dec. 31, 2011

Summary of Significant Accounting Policies Disclosures [Abstract]

Cash Equivalents

Cash Equivalents

We consider all highly liquid instruments with maturities of three months or less when purchased to be cash equivalents. Our cash equivalents at December 31, 2011 consist of direct obligations of financial institutions rated A or better.

Allowance for Doubtful Accounts

Allowance for Doubtful Accounts

We maintain an allowance for doubtful accounts. This allowance reflects our estimate of the amount of our receivables that we will be unable to collect based on historical write-off experience. Trade receivables that have contractual maturities of one year or less are written-off when they are determined to be uncollectible based on the criteria necessary to qualify as a deduction for federal tax purposes. Write-offs of such receivables require management approval based on specified dollar thresholds.

Inventory

Inventory

Inventory consists of new equipment, contractor supplies, tools, parts, fuel and related supply items. Inventory is stated at the lower of cost or market. Cost is determined, depending on the type of inventory, using either a specific identification, weighted-average or first-in, first-out method.

Property and Equipment

Rental Equipment

Rental equipment, which includes service and delivery vehicles, is recorded at cost and depreciated over the estimated useful life of the equipment using the straight-line method. The range of estimated useful lives for rental equipment is two to 12 years. Rental equipment is depreciated to a salvage value of zero to 10 percent of cost. Costs we incur in connection with refurbishment programs that extend the life of our equipment are capitalized and amortized over the remaining useful life of the equipment. The costs incurred under these refurbishment programs were $10, $12 and $33 for the years ended December 31, 2011, 2010 and 2009, respectively, and are included in purchases of rental equipment in our consolidated statements of cash flows. Ordinary repair and maintenance costs are charged to operations as incurred. Repair and maintenance costs are included in cost of revenues on our consolidated statements of income. Repair and maintenance expense (including both labor and parts) for our rental equipment was $291, $262 and $256 for the years ended December 31, 2011, 2010 and 2009, respectively.

Property and Equipment

Property and equipment are recorded at cost and depreciated over their estimated useful lives using the straight-line method. The range of estimated useful lives for property and equipment is two to 39 years. Ordinary repair and maintenance costs are charged to expense as incurred. Leasehold improvements are amortized using the straight-line method over their estimated useful lives or the remaining life of the lease, whichever is shorter.

Business Combinations

Business Combinations

We have made a number of acquisitions in the past and may continue to make acquisitions in the future. We allocate the cost of the acquired enterprise to the assets acquired and liabilities assumed based on their respective fair values at the date of acquisition. With the exception of goodwill and other intangible assets, long-lived fixed assets generally represent the largest component of our acquisitions. The long-lived fixed assets that we acquire are primarily rental equipment, transportation equipment and real estate.

In addition to long-lived fixed assets, we also acquire other assets and assume liabilities. These other assets and liabilities typically include, but are not limited to, parts inventory, accounts receivable, accounts payable and other working capital items. Because of their short-term nature, the fair values of these other assets and liabilities generally approximate the book values reflected on the acquired entities' balance sheets. However, when appropriate, we adjust these book values for factors such as collectibility and existence. The intangible assets that we have acquired are primarily goodwill, customer relationships and non-compete agreements. Goodwill is calculated as the excess of the cost of the acquired entity over the fair value of the net assets acquired. Customer relationships and non-compete agreements are valued based on an excess earnings or income approach with consideration to projected cash flows.

Goodwill and the Evaluation of Goodwill Impairment

Goodwill and the Evaluation of Goodwill Impairment

As discussed above, goodwill represents the excess of cost over the fair value of identifiable net assets of businesses acquired. We test for goodwill impairment at a regional level. We are required to review our goodwill for impairment annually as of a scheduled review date; however, if events or circumstances suggest that goodwill could be impaired, we may be required to conduct an earlier review. The scheduled review date is October 1 of each year.

Application of the goodwill impairment test requires judgment, including the identification of reporting units, assignment of assets and liabilities to reporting units, assignment of goodwill to reporting units, and determination of the fair value of each reporting unit. In September 2011, the Financial Accounting Standards Board (“FASB”) issued guidance that simplified how entities test for goodwill impairment. This guidance permits entities to first assess qualitative factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount as a basis for determining whether it is necessary to perform a two-step goodwill impairment test. This guidance is effective for annual and interim goodwill impairment tests performed for fiscal years beginning after December 15, 2011, and early adoption is permitted. As discussed more fully in note 8 to the consolidated financial statements, we early adopted this guidance for our annual goodwill impairment test that was conducted as of October 1, 2011.

Other Intangible Assets

Other Intangible Assets

Other intangible assets consist of non-compete agreements and customer relationships. The non-compete agreements are being amortized on a straight-line basis over initial periods ranging from two to five years. The customer relationships are being amortized on a straight-line basis over initial periods ranging from eight to 12 years.

Long-Lived Assets

Long-Lived Assets

Long-lived assets are recorded at the lower of amortized cost or fair value. As part of an ongoing review of the valuation of long-lived assets, we assess the carrying value of such assets if facts and circumstances suggest they may be impaired. If this review indicates the carrying value of such an asset may not be recoverable, as determined by an undiscounted cash flow analysis over the remaining useful life, the carrying value would be reduced to its estimated fair value.

Translation of Foreign Currency

Translation of Foreign Currency

Assets and liabilities of our Canadian subsidiaries that have a functional currency other than U.S. dollars are translated into U.S. dollars using exchange rates at the balance sheet date. Revenues and expenses are translated at average exchange rates effective during the year. Foreign currency translation gains and losses are included as a component of accumulated other comprehensive income within stockholders’ equity.

Revenue Recognition

Revenue Recognition

Our rental contract periods are hourly, daily, weekly or monthly and we recognize equipment rental revenue on a straight-line basis. As part of this straight-line methodology, when the equipment is returned, we recognize as incremental revenue the excess, if any, between the amount the customer is contractually required to pay over the cumulative amount of revenue recognized to date. We record amounts billed to customers in excess of recognizable revenue as deferred revenue on our balance sheet. We had deferred revenue of $16 and $12 as of December 31, 2011 and 2010, respectively. Revenues from the sale of rental equipment and new equipment are recognized at the time of delivery to, or pick-up by, the customer and when collectibility is reasonably assured. Sales of contractor supplies are also recognized at the time of delivery to, or pick-up by, the customer. Service revenue is recognized as the services are performed. Sales tax amounts collected from customers are recorded on a net basis.

Delivery Expense

Delivery Expense

Equipment rentals include our revenues from fees we charge for equipment delivery. Delivery costs are charged to operations as incurred, and are included in cost of revenues on our consolidated statements of income.

Advertising Expense

Advertising Expense

We promote our business through local and national advertising in various media, including trade publications, yellow pages, the Internet, radio and direct mail. Advertising costs are generally expensed as incurred. Advertising expense, net of qualified advertising reimbursements, was $0, $2 and $6 for the years ended December 31, 2011, 2010 and 2009, respectively.

Insurance

Insurance

We are insured for general liability, workers’ compensation and automobile liability, subject to deductibles or self-insured retentions per occurrence of $2 for general liability, $1 for workers’ compensation and $2 for automobile liability as of December 31, 2011 and 2010. Losses within these deductible amounts are accrued based upon the aggregate liability for reported claims incurred, as well as an estimated liability for claims incurred but not yet reported. These liabilities are not discounted. The Company is also self-insured for group medical claims but purchases “stop loss” insurance to protect itself from any one loss exceeding $600,000 (actual dollars).

Income Taxes

Income Taxes

We use the liability method of accounting for income taxes. Under this method, deferred tax assets and liabilities are determined based on the differences between financial statement and tax bases of assets and liabilities and are measured using the tax rates and laws that are expected to be in effect when the differences are expected to reverse. Recognition of deferred tax assets is limited to amounts considered by management to be more likely than not to be realized in future periods. The most significant positive evidence that we consider in the recognition of deferred tax assets is the expected reversal of cumulative deferred tax liabilities resulting from book versus tax depreciation of our rental equipment fleet that is well in excess of the deferred tax assets.

We use a two-step approach for recognizing and measuring tax benefits taken or expected to be taken in a tax return regarding uncertainties in income tax positions. The first step is recognition: we determine whether it is more likely than not that a tax position will be sustained upon examination, including resolution of any related appeals or litigation processes, based on the technical merits of the position. In evaluating whether a tax position has met the more-likely-than-not recognition threshold, we presume that the position will be examined by the appropriate taxing authority with full knowledge of all relevant information. The second step is measurement: a tax position that meets the more-likely-than-not recognition threshold is measured to determine the amount of benefit to recognize in the financial statements. The tax position is measured at the largest amount of benefit that is greater than 50 percent likely of being realized upon ultimate settlement. Differences between tax positions taken in a tax return and amounts recognized in the financial statements will generally result in one or more of the following: an increase in a liability for income taxes payable, a reduction of an income tax refund receivable, a reduction in a deferred tax asset or an increase in a deferred tax liability.

Use of Estimates

Use of Estimates

The preparation of financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”) requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Significant estimates impact the calculation of the allowance for doubtful accounts, depreciation and amortization, income taxes, reserves for claims, loss contingencies (including legal contingencies) and the fair values of financial instruments. Actual results could materially differ from those estimates.

Concentration of Credit Risk

Concentrations of Credit Risk

Financial instruments that potentially subject us to significant concentrations of credit risk include cash and cash equivalents and accounts receivable. We maintain cash and cash equivalents with high quality financial institutions. Concentration of credit risk with respect to receivables is limited because a large number of geographically diverse customers make up our customer base. Our largest customer accounted for less than one percent of total revenues in each of 2011, 2010, and 2009. Our customer with the largest receivable balance represented approximately two percent and one percent of total receivables at December 31, 2011 and 2010, respectively. We manage credit risk through credit approvals, credit limits and other monitoring procedures.

Share-based Compensation, Option and Incentive Plans Policy

Stock-Based Compensation

We measure stock-based compensation at the grant date based on the fair value of the award and recognize stock-based compensation expense over the requisite service period. Determining the fair value of stock option awards requires judgment, including estimating stock price volatility, forfeiture rates and expected option life. Restricted stock awards are valued based on the fair value of the stock on the grant date and the related compensation expense is recognized over the service period. Similarly, for time-based restricted stock awards subject to graded vesting, we recognize compensation cost on a straight-line basis over the requisite service period. We classify cash flows from tax benefits resulting from tax deductions in excess of the compensation cost recognized for stock-based awards (“excess tax benefits”) as financing cash flows.

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Schedule II Valuation

12 Months Ended

Dec. 31, 2011

Valuation and Qualifying Accounts [Abstract]

Schedule II - Valuation and Qualifying Accounts

SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS

UNITED RENTALS, INC.

(In millions)

Description	Balance at Beginning of Period		Charged to Costs and Expenses		Deductions			Balance at End of Period
Year ended December 31, 2011:
Allowance for doubtful accounts	$	29	$	21	$	17	(a)	$	33
Reserve for obsolescence and shrinkage	1		5		4		(b)	2
Self-insurance reserve	93		65		75		(c)	83
Year ended December 31, 2010:
Allowance for doubtful accounts	$	25	$	21	$	17	(a)	$	29
Reserve for obsolescence and shrinkage	1		6		6		(b)	1
Self-insurance reserve	83		94		84		(c)	93
Year ended December 31, 2009:
Allowance for doubtful accounts	$	23	$	16	$	14	(a)	$	25
Reserve for obsolescence and shrinkage	1		7		7		(b)	1
Self-insurance reserve	86		99		102		(c)	83

The above information reflects the continuing operations of the Company for the periods presented. Additionally, because the Company has retained certain self-insurance liabilities associated with the discontinued traffic control business, those amounts have been included as well.

(a) Represents write-offs of accounts, net of recoveries.

(b) Represents write-offs.

(c) Represents payments.

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Goodwill and Other Intangible Assets (Goodwill) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2009
Goodwill [Line Items]
Balance at beginning of period	$ 198	[1]	$ 196	[1]	$ 190
Goodwill related to acquisitions	96				1
Foreign currency translation and other adjustments	(5)		2		5
Balance at end of period	289	[1]	198	[1]	196	[1]
General Rentals [Member]
Goodwill [Line Items]
Balance at beginning of period	105		103		97
Goodwill related to acquisitions	65				1
Foreign currency translation and other adjustments	(3)		2		5
Balance at end of period	167		105		103
Goodwill, Impaired, Accumulated Impairment Loss	1,557
Trench Safety, Power and HVAC [Member]
Goodwill [Line Items]
Balance at beginning of period	93		93		93
Goodwill related to acquisitions	31				0
Foreign currency translation and other adjustments	(2)		0		0
Balance at end of period	$ 122		$ 93		$ 93

[1] The total carrying amount of goodwill for all periods in the table above is reflected net of $1,557 of accumulated impairment charges, which were primarily recorded in our general rentals segment.

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Condensed Consolidating Financial Information of Guarantor Subsidiaries (Tables)

12 Months Ended

Dec. 31, 2011

Condensed Financial Information of Parent Company Only Disclosure [Abstract]

Condensed Consolidating Balance Sheet

CONDENSED CONSOLIDATING BALANCE SHEETS

December 31, 2011

								Non-Guarantor Subsidiaries
	Parent		URNA			Guarantor Subsidiaries		Foreign			SPV		Eliminations			Total
ASSETS
Cash and cash equivalents	$	—	$	6		$	—	$	30		$	—	$	—		$	36
Accounts receivable, net	—		19			9		98			338		—			464
Intercompany receivable (payable)	114		(876		)	772		(154		)	—		144			—
Inventory	—		21			15		8			—		—			44
Prepaid expenses and other assets	—		55			1		19			—		—			75
Deferred taxes	—		100			3		1			—		—			104
Total current assets	114		(675		)	800		2			338		144			723
Rental equipment, net	—		1,345			836		436			—		—			2,617
Property and equipment, net	41		177			120		28			—		—			366
Investments in subsidiaries	227		2,144			462		—			—		(2,833		)	—
Goodwill and other intangibles, net	—		130			102		140			—		—			372
Other long-term assets	4		60			1		—			—		—			65
Total assets	$	386	$	3,181		$	2,321	$	606		$	338	$	(2,689	)	$	4,143
LIABILITIES AND STOCKHOLDERS’ EQUITY (DEFICIT)
Short-term debt and current maturities of long-term debt	$	129	$	8		$	—	$	3		$	255	$	—		$	395
Accounts payable	—		120			47		39			—		—			206
Accrued expenses and other liabilities	31		139			48		45			—		—			263
Total current liabilities	160		267			95		87			255		—			864
Long-term debt	—		2,444			142		6			—		—			2,592
Subordinated convertible debentures	55		—			—		—			—		—			55
Deferred taxes	16		241			165		48			—		—			470
Other long-term liabilities	52		2			2		3			—		—			59
Total liabilities	283		2,954			404		144			255		—			4,040
Temporary equity (note 12)	39		—			—		—			—		—			39
Total stockholders’ equity (deficit)	64		227			1,917		462			83		(2,689		)	64
Total liabilities and stockholders’ equity (deficit)	$	386	$	3,181		$	2,321	$	606		$	338	$	(2,689	)	$	4,143

CONDENSED CONSOLIDATING BALANCE SHEETS

December 31, 2010

									Non-Guarantor Subsidiaries
	Parent			URNA			Guarantor Subsidiaries		Foreign			SPV		Eliminations			Total
ASSETS
Cash and cash equivalents	$	—		$	4		$	—	$	199		$	—	$	—		$	203
Accounts receivable, net	—			5			6		73			293		—			377
Intercompany receivable (payable)	115			(837		)	735		(155		)	—		142			—
Inventory	—			19			13		7			—		—			39
Prepaid expenses and other assets	—			31			4		2			—		—			37
Deferred taxes	—			65			3		1			—		—			69
Total current assets	115			(713		)	761		127			293		142			725
Rental equipment, net	—			1,243			742		295			—		—			2,280
Property and equipment, net	43			186			136		28			—		—			393
Investments in subsidiaries	173			2,018			414		—			—		(2,605		)	—
Goodwill and other intangibles, net	—			99			83		45			—		—			227
Other long-term assets	8			60			—		—			—		—			68
Total assets	$	339		$	2,893		$	2,136	$	495		$	293	$	(2,463	)	$	3,693
LIABILITIES AND STOCKHOLDERS’ (DEFICIT) EQUITY
Short-term debt and current maturities of long-term debt	$	—		$	8		$	—	$	—		$	221	$	—		$	229
Accounts payable	—			83			26		23			—		—			132
Accrued expenses and other liabilities	37			146			—		25			—		—			208
Total current liabilities	37			237			26		48			221		—			569
Long-term debt	124			2,306			146		—			—		—			2,576
Subordinated convertible debentures	124			—			—		—			—		—			124
Deferred taxes	17			175			160		33			—		—			385
Other long-term liabilities	57			2			—		—			—		—			59
Total liabilities	359			2,720			332		81			221		—			3,713
Total stockholders’ (deficit) equity	(20		)	173			1,804		414			72		(2,463		)	(20		)
Total liabilities and stockholders’ (deficit) equity	$	339		$	2,893		$	2,136	$	495		$	293	$	(2,463	)	$	3,693

Condensed Consolidating Statement of Operations

CONDENSED CONSOLIDATING STATEMENTS OF INCOME

For the Year Ended December 31, 2011

									Non-Guarantor Subsidiaries
	Parent			URNA			Guarantor Subsidiaries		Foreign		SPV			Eliminations			Total
Revenues:
Equipment rentals	$	—		$	1,037		$	742	$	372	$	—		$	—		$	2,151
Sales of rental equipment	—			117			63		28		—			—			208
Sales of new equipment	—			38			21		25		—			—			84
Contractor supplies sales	—			37			25		23		—			—			85
Service and other revenues	—			43			22		18		—			—			83
Total revenues	—			1,272			873		466		—			—			2,611
Cost of revenues:
Cost of equipment rentals, excluding depreciation	—			479			352		161		—			—			992
Depreciation of rental equipment	—			220			137		66		—			—			423
Cost of rental equipment sales	—			80			44		18		—			—			142
Cost of new equipment sales	—			30			17		20		—			—			67
Cost of contractor supplies sales	—			26			17		15		—			—			58
Cost of service and other revenues	—			19			7		5		—			—			31
Total cost of revenues	—			854			574		285		—			—			1,713
Gross profit	—			418			299		181		—			—			898
Selling, general and administrative expenses	7			162			143		75		20			—			407
RSC merger related costs	—			19			—		—		—			—			19
Restructuring charge	—			7			9		3		—			—			19
Non-rental depreciation and amortization	15			19			17		6		—			—			57
Operating (loss) income	(22		)	211			130		97		(20		)	—			396
Interest expense (income), net	12			207			6		4		4			(5		)	228
Interest expense-subordinated convertible debentures	7			—			—		—		—			—			7
Other (income) expense, net	(73		)	61			37		12		(40		)	—			(3		)
Income (loss) before provision (benefit) for income taxes	32			(57		)	87		81		16			5			164
Provision (benefit) for income taxes	9			(4		)	28		24		6			—			63
Income (loss) before equity in net earnings (loss) of subsidiaries	23			(53		)	59		57		10			5			101
Equity in net earnings (loss) of subsidiaries	78			131			62		—		—			(271		)	—
Net income (loss)	$	101		$	78		$	121	$	57	$	10		$	(266	)	$	101

CONDENSED CONSOLIDATING STATEMENTS OF INCOME

For the Year Ended December 31, 2010

									Non-Guarantor Subsidiaries
	Parent			URNA			Guarantor Subsidiaries		Foreign			SPV			Eliminations			Total
Revenues:
Equipment rentals	$	—		$	940		$	629	$	265		$	—		$	—		$	1,834
Sales of rental equipment	—			73			48		23			—			—			144
Sales of new equipment	—			41			18		19			—			—			78
Contractor supplies sales	—			41			30		24			—			—			95
Service and other revenues	—			46			23		17			—			—			86
Total revenues	—			1,141			748		348			—			—			2,237
Cost of revenues:
Cost of equipment rentals, excluding depreciation	—			463			331		130			—			—			924
Depreciation of rental equipment	—			214			130		45			—			—			389
Cost of rental equipment sales	—			51			36		16			—			—			103
Cost of new equipment sales	—			34			15		16			—			—			65
Cost of contractor supplies sales	—			30			20		16			—			—			66
Cost of service and other revenues	—			20			9		3			—			—			32
Total cost of revenues	—			812			541		226			—			—			1,579
Gross profit	—			329			207		122			—			—			658
Selling, general and administrative expenses	21			149			121		56			20			—			367
Restructuring charge	—			21			13		—			—			—			34
Non-rental depreciation and amortization	13			26			17		4			—			—			60
Operating (loss) income	(34		)	133			56		62			(20		)	—			197
Interest expense, net	12			237			6		(3		)	4			(1		)	255
Interest expense-subordinated convertible debentures	8			—			—		—			—			—			8
Other (income) expense, net	(62		)	54			28		12			(35		)	—			(3		)
Income (loss) from continuing operations before provision (benefit) for income taxes	8			(158		)	22		53			11			1			(63		)
Provision (benefit) for income taxes	3			(78		)	7		22			5			—			(41		)
Income (loss) from continuing operations	5			(80		)	15		31			6			1			(22		)
Loss from discontinued operation, net of taxes	—			(4		)	—		—			—			—			(4		)
Income (loss) before equity in net (loss) earnings of subsidiaries	5			(84		)	15		31			6			1			(26		)
Equity in net (loss) earnings of subsidiaries	(31		)	53			32		—			—			(54		)	—
Net (loss) income	$	(26	)	$	(31	)	$	47	$	31		$	6		$	(53	)	$	(26	)

CONDENSED CONSOLIDATING STATEMENTS OF INCOME

For the Year Ended December 31, 2009

										Non-Guarantor Subsidiaries
	Parent			URNA			Guarantor Subsidiaries			Foreign		SPV			Eliminations		Total
Revenues:
Equipment rentals	$	—		$	957		$	645		$	228	$	—		$	—	$	1,830
Sales of rental equipment	—			131			69			29		—			—		229
Sales of new equipment	—			44			26			16		—			—		86
Contractor supplies sales	—			49			47			25		—			—		121
Service and other revenues	—			51			28			13		—			—		92
Total revenues	—			1,232			815			311		—			—		2,358
Cost of revenues:
Cost of equipment rentals, excluding depreciation	—			469			329			112		—			—		910
Depreciation of rental equipment	—			231			139			47		—			—		417
Cost of rental equipment sales	—			132			65			25		—			—		222
Cost of new equipment sales	—			38			22			13		—			—		73
Cost of contractor supplies sales	—			36			36			17		—			—		89
Cost of service and other revenues	—			21			10			6		—			—		37
Total cost of revenues	—			927			601			220		—			—		1,748
Gross profit	—			305			214			91		—			—		610
Selling, general and administrative expenses	19			175			144			51		19			—		408
Restructuring charge	—			12			17			2		—			—		31
Non-rental depreciation and amortization	12			18			23			4		—			—		57
Operating (loss) income	(31		)	100			30			34		(19		)	—		114
Interest expense, net	40			176			6			—		4			—		226
Interest expense-subordinated convertible debentures, net	(4		)	—			—			—		—			—		(4		)
Other (income) expense, net	(66		)	50			45			8		(38		)	—		(1		)
(Loss) income from continuing operations before (benefit) provision for income taxes	(1		)	(126		)	(21		)	26		15			—		(107		)
(Benefit) provision for income taxes	—			(51		)	(9		)	7		6			—		(47		)
(Loss) income from continuing operations	(1		)	(75		)	(12		)	19		9			—		(60		)
Loss from discontinued operation, net of taxes	—			(2		)	—			—		—			—		(2		)
(Loss) income before equity in net (loss) earnings of subsidiaries	(1		)	(77		)	(12		)	19		9			—		(62		)
Equity in net (loss) earnings of subsidiaries	(61		)	16			—			—		—			45		—
Net (loss) income	$	(62	)	$	(61	)	$	(12	)	$	19	$	9		$	45	$	(62	)

Condensed Consolidating Statement of Cash Flows

CONDENSED CONSOLIDATING CASH FLOW INFORMATION

For the Year Ended December 31, 2011

										Non-Guarantor Subsidiaries
	Parent			URNA			Guarantor Subsidiaries			Foreign			SPV			Eliminations		Total
Net cash provided by (used in) operating activities	$	—		$	276		$	236		$	132		$	(36	)	$	—	$	608
Net cash used in investing activities	(13		)	(311		)	(241		)	(296		)	—			—		(861		)
Net cash provided by (used in) financing activities	13			37			5			(11		)	36			—		80
Effect of foreign exchange rates	—			—			—			6			—			—		6
Net increase (decrease) in cash and cash equivalents	—			2			—			(169		)	—			—		(167		)
Cash and cash equivalents at beginning of period	—			4			—			199			—			—		203
Cash and cash equivalents at end of period	$	—		$	6		$	—		$	30		$	—		$	—	$	36

CONDENSED CONSOLIDATING CASH FLOW INFORMATION

For the Year Ended December 31, 2010

										Non-Guarantor Subsidiaries
	Parent			URNA			Guarantor Subsidiaries			Foreign			SPV			Eliminations		Total
Net cash provided by (used in) operating activities	$	14		$	304		$	77		$	82		$	(25	)	$	—	$	452
Net cash used in investing activities	(13		)	(78		)	(82		)	(50		)	—			—		(223		)
Net cash (used in) provided by financing activities	(1		)	(227		)	2			(2		)	25			—		(203		)
Effect of foreign exchange rates	—			—			—			8			—			—		8
Net (decrease) increase in cash and cash equivalents	—			(1		)	(3		)	38			—			—		34
Cash and cash equivalents at beginning of period	—			5			3			161			—			—		169
Cash and cash equivalents at end of period	$	—		$	4		$	—		$	199		$	—		$	—	$	203

CONDENSED CONSOLIDATING CASH FLOW INFORMATION

For the Year Ended December 31, 2009

										Non-Guarantor Subsidiaries
	Parent			URNA			Guarantor Subsidiaries			Foreign			SPV			Eliminations		Total
Net cash provided by operating activities	$	26		$	180		$	22		$	70		$	140		$	—	$	438
Net cash (used in) provided by investing activities	(23		)	(50		)	(26		)	5			—			—		(94		)
Net cash (used in) provided by financing activities	(3		)	(125		)	3			(3		)	(140		)	—		(268		)
Effect of foreign exchange rate	—			—			—			16			—			—		16
Net increase (decrease) in cash and cash equivalents	—			5			(1		)	88			—			—		92
Cash and cash equivalents at beginning of period	—			—			4			73			—			—		77
Cash and cash equivalents at end of period	$	—		$	5		$	3		$	161		$	—		$	—	$	169

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Segment Information (Tables)

12 Months Ended

Dec. 31, 2011

Segment Reporting, Measurement Disclosures [Abstract]

Financial information by segment

The following table sets forth financial information by segment for the years ended December 31, 2011, 2010 and 2009, except for balance sheet information, which is presented as of December 31, 2011 and 2010.

	General rentals		Trench safety, power and HVAC		Total
2011
Equipment rentals	$	1,953	$	198	$	2,151
Sales of rental equipment	201		7		208
Sales of new equipment	77		7		84
Contractor supplies sales	79		6		85
Service and other revenues	79		4		83
Total revenue	2,389		222		2,611
Depreciation and amortization expense	448		32		480
Segment operating income	377		57		434
Capital expenditures	739		71		810
Total assets	$	3,776	$	367	$	4,143
2010
Equipment rentals	$	1,693	$	141	$	1,834
Sales of rental equipment	134		10		144
Sales of new equipment	72		6		78
Contractor supplies sales	89		6		95
Service and other revenues	83		3		86
Total revenue	2,071		166		2,237
Depreciation and amortization expense	426		23		449
Segment operating income	199		32		231
Capital expenditures	344		30		374
Total assets	$	3,458	$	235	$	3,693
2009
Equipment rentals	$	1,700	$	130	$	1,830
Sales of rental equipment	218		11		229
Sales of new equipment	81		5		86
Contractor supplies sales	114		7		121
Service and other revenues	89		3		92
Total revenue	2,202		156		2,358
Depreciation and amortization expense	449		25		474
Segment operating income	123		22		145
Capital expenditures	$	295	$	16	$	311

Reconciliation of sement operating income to total Company operating income

The following is a reconciliation of segment operating income to total Company operating income:

	Year Ended December 31,
	2011			2010			2009
Total segment operating income	$	434		$	231		$	145
Unallocated RSC merger related costs	(19		)	—			—
Unallocated restructuring charge	(19		)	(34		)	(31		)
Operating income	$	396		$	197		$	114

Geographic area information

We operate in the United States and Canada. The following table presents geographic area information for the years ended December 31, 2011, 2010 and 2009, except for balance sheet information, which is presented as of December 31, 2011 and 2010. All the foreign assets as of December 31, 2011 and 2010 are Canadian, and the foreign information in the following table primarily relates to Canada.

	Domestic		Foreign		Total
2011
Equipment rentals	$	1,779	$	372	$	2,151
Sales of rental equipment	180		28		208
Sales of new equipment	59		25		84
Contractor supplies sales	62		23		85
Service and other revenues	64		19		83
Total revenue	2,144		467		2,611
Rental equipment, net	2,181		436		2,617
Property and equipment, net	338		28		366
Goodwill and other intangibles, net	$	232	$	140	$	372
2010
Equipment rentals	$	1,569	$	265	$	1,834
Sales of rental equipment	121		23		144
Sales of new equipment	59		19		78
Contractor supplies sales	71		24		95
Service and other revenues	68		18		86
Total revenue	1,888		349		2,237
Rental equipment, net	1,985		295		2,280
Property and equipment, net	365		28		393
Goodwill and other intangibles, net	$	182	$	45	$	227
2009
Equipment rentals	$	1,602	$	228	$	1,830
Sales of rental equipment	200		29		229
Sales of new equipment	70		16		86
Contractor supplies sales	96		25		121
Service and other revenues	78		14		92
Total revenue	$	2,046	$	312	$	2,358

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Restructuring And Asset Impairment Charges (Tables)

12 Months Ended

Dec. 31, 2011

Restructuring and Related Activities [Abstract]

Schedule of Restructuring Charges

The table below provides certain information concerning our restructuring charges:

Description	Beginning Reserve Balance		Charged to Costs and Expenses(1)		Payments and Other			Ending Reserve Balance
Year ended December 31, 2009:
Branch closure charges	$	11	$	24	$	(15	)	$	20
Severance costs	2		7		(8		)	1
Total	$	13	$	31	$	(23	)	$	21
Year ended December 31, 2010:
Branch closure charges	$	20	$	28	$	(22	)	$	26
Severance costs	1		6		(5		)	2
Total	$	21	$	34	$	(27	)	$	28
Year ended December 31, 2011:
Branch closure charges	$	26	$	17	$	(16	)	$	27
Severance costs	2		2		(3		)	1
Total	$	28	$	19	$	(19	)	$	28

_________________

(1) Reflected in our consolidated statements of income as “Restructuring charge.”

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CONSOLIDATED STATEMENTS OF CASH FLOWS (Parentheticals) (Convertible Subordinated Notes Four Percent [Member])	Dec. 31, 2011	Nov. 30, 2009
Convertible Subordinated Notes Four Percent [Member]
Debt, stated interest rate	4.00%	4.00%

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Rental Equipment (Tables)

12 Months Ended

Dec. 31, 2011

Rental Equipment Disclosure [Abstract]

Schedule Of Rental Equipment

Rental equipment consists of the following:

	December 31,
	2011			2010
Rental equipment	$	4,209		$	3,787
Less accumulated depreciation	(1,592		)	(1,507		)
Rental equipment, net	$	2,617		$	2,280

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Condensed Consolidating Financial Information of Guarantor Subsidiaries CONDENSED CONSOLIDATING CASH FLOW INFORMATION (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Condensed Financial Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	$ 608	$ 452	$ 438
Net cash used in investing activities	(861)	(223)	(94)
Net cash provided by (used in) financing activities	80	(203)	(268)
Effect of foreign exchange rates	6	8	16
Net (decrease) increase in cash and cash equivalents	(167)	34	92
Cash and cash equivalents at beginning of year	203	169	77
Cash and cash equivalents at end of year	36	203	169
Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	0	14	26
Net cash used in investing activities	(13)	(13)	(23)
Net cash provided by (used in) financing activities	13	(1)	(3)
Effect of foreign exchange rates	0	0	0
Net (decrease) increase in cash and cash equivalents	0	0	0
Cash and cash equivalents at beginning of year	0	0	0
Cash and cash equivalents at end of year	0	0	0
URNA [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	276	304	180
Net cash used in investing activities	(311)	(78)	(50)
Net cash provided by (used in) financing activities	37	(227)	(125)
Effect of foreign exchange rates	0	0	0
Net (decrease) increase in cash and cash equivalents	2	(1)	5
Cash and cash equivalents at beginning of year	4	5	0
Cash and cash equivalents at end of year	6	4	5
Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	236	77	22
Net cash used in investing activities	(241)	(82)	(26)
Net cash provided by (used in) financing activities	5	2	3
Effect of foreign exchange rates	0	0	0
Net (decrease) increase in cash and cash equivalents	0	(3)	(1)
Cash and cash equivalents at beginning of year	0	3	4
Cash and cash equivalents at end of year	0	0	3
Non Guarantor Subsidiaries Foreign [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	132	82	70
Net cash used in investing activities	(296)	(50)	5
Net cash provided by (used in) financing activities	(11)	(2)	(3)
Effect of foreign exchange rates	6	8	16
Net (decrease) increase in cash and cash equivalents	(169)	38	88
Cash and cash equivalents at beginning of year	199	161	73
Cash and cash equivalents at end of year	30	199	161
Non Guarantor Subsidiaries SPV [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	(36)	(25)	140
Net cash used in investing activities	0	0	0
Net cash provided by (used in) financing activities	36	25	(140)
Effect of foreign exchange rates	0	0	0
Net (decrease) increase in cash and cash equivalents	0	0	0
Cash and cash equivalents at beginning of year	0	0	0
Cash and cash equivalents at end of year	0	0	0
Consolidation, Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	0	0	0
Net cash used in investing activities	0	0	0
Net cash provided by (used in) financing activities	0	0	0
Effect of foreign exchange rates	0	0	0
Net (decrease) increase in cash and cash equivalents	0	0	0
Cash and cash equivalents at beginning of year	0	0	0
Cash and cash equivalents at end of year	$ 0	$ 0	$ 0

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Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2011

Commitments and Contingencies Disclosure [Abstract]

Operating Leases of Lessee Disclosure

Future minimum lease payments, including the maximum potential guarantee amounts associated with some of our non-rental equipment operating leases for which we guarantee that the value of the equipment at the end of the lease term will not be less than a specified projected residual value, by year and in the aggregate, for non-cancelable operating leases with initial or remaining terms of one year or more are as follows at December 31, 2011:

	Real Estate Leases		Non-Rental Equipment Leases
2012	$	76	$	37
2013	64		17
2014	53		12
2015	42		10
2016	31		6
Thereafter	73		10
Total	$	339	$	92

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Restructuring And Asset Impairment Charges (Restructuring) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	48 Months Ended		48 Months Ended		12 Months Ended				3 Months Ended	12 Months Ended
	Dec. 31, 2010	Dec. 31, 2011 branches employees	Dec. 31, 2007 employees branches	Dec. 31, 2011 Severance costs	Dec. 31, 2011 Branch closure charges	Dec. 31, 2011 General Rentals [Member]	Dec. 31, 2010 General Rentals [Member]	Dec. 31, 2009 General Rentals [Member]	Dec. 31, 2009 Depreciation Of Rental Equipment [Member] General Rentals [Member]	Dec. 31, 2011 Non Rental Depreciation And Amortization [Member]	Dec. 31, 2009 Non Rental Depreciation And Amortization [Member] General Rentals [Member]
Restructuring Cost and Reserve [Line Items]
Entity Number of Employees		7,500	10,900
Number of branches		529	697
Restructuring and Related Cost, Cost Incurred to Date		$ 104		$ 21	$ 83
Asset Impairment Charges	$ 6					$ 4	$ 9	$ 12	$ 9	$ 3	$ 3

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Income Taxes (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended					3 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2011 Maximum [Member]	Dec. 31, 2010 Maximum [Member]	Mar. 31, 2010 Canada	Dec. 31, 2009 Canada
Income Tax Disclosure [Line Items]
Unrecognized Tax Benefits	$ 4	$ 4	$ 6
Unrecognized Tax Benefits, Interest on Income Taxes Expense				1	1
Unrecognized Tax Benefits, Decreases Resulting from Settlements with Taxing Authorities	0	2				1	3
Income (Loss) from Continuing Operations before Income Taxes, Foreign	86	54	25
Undistributed Earnings Of Foreign Subsidiairies Amount	232
Deferred Tax Assets, Operating Loss Carryforwards, State and Local	1,080
Valuation Allowance, Amount	2	2
Deferred Tax Assets, Operating Loss Carryforwards, Domestic	$ 136

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CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
ASSETS
Cash and cash equivalents	$ 36	$ 203
Accounts receivable, net of allowance for doubtful accounts of $33 and $29 at December 31, 2011 and 2010, respectively	464	377
Inventory	44	39
Prepaid expenses and other assets	75	37
Deferred taxes	104	69
Total current assets	723	725
Rental equipment, net	2,617	2,280
Property and equipment, net	366	393
Goodwill and other intangible assets, net	372	227
Other long-term assets	65	68
Total assets	4,143	3,693
LIABILITIES AND STOCKHOLDERS' EQUITY (DEFICIT)
Short-term debt and current maturities of long-term debt	395	229
Accounts payable	206	132
Accrued expenses and other liabilities	263	208
Total current liabilities	864	569
Long-term debt	2,592	2,576
Subordinated convertible debentures	55	124
Deferred taxes	470	385
Other long-term liabilities	59	59
Total liabilities	4,040	3,713
Temporary equity (note 12)	39	0
Common stock-$0.01 par value, 500,000,000 shares authorized, 62,877,530 and 60,621,338 shares issued and outstanding at December 31, 2011 and 2010, respectively	1	1
Additional paid-in capital	487	492
Accumulated deficit	(499)	(600)
Accumulated other comprehensive income	75	87
Total stockholders' equity (deficit)	64	(20)
Total liabilities and stockholders' equity (deficit)	$ 4,143	$ 3,693

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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

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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT) (Parentheticals) (Convertible Subordinated Notes Four Percent [Member])	Dec. 31, 2011	Nov. 30, 2009
Convertible Subordinated Notes Four Percent [Member]
Debt, stated interest rate	4.00%	4.00%

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Derivatives (Narrative) (Details)	12 Months Ended			12 Months Ended			12 Months Ended						12 Months Ended				12 Months Ended
	Dec. 31, 2011 USD ($)	Dec. 31, 2011 Prepaid Expenses And Other Assets [Member] USD ($)	Dec. 31, 2010 Accrued Expenses And Other Liabilities [Member] USD ($)	Dec. 31, 2011 Swap [Member] USD ($) gal	Dec. 31, 2010 Swap [Member] USD ($) gal	Dec. 31, 2011 Swap [Member] Accrued Expenses And Other Liabilities [Member] USD ($)	Dec. 31, 2011 Foreign Exchange Forward [Member] USD ($)	Dec. 31, 2011 Foreign Exchange Forward [Member] CAD	Dec. 31, 2010 Foreign Exchange Forward [Member] USD ($)	Dec. 31, 2011 Maximum [Member] USD ($)	Dec. 31, 2010 Maximum [Member] USD ($)	Dec. 31, 2010 Maximum [Member] Prepaid Expenses And Other Assets [Member] USD ($)	Dec. 31, 2011 Maximum [Member] Swap [Member] USD ($)	Dec. 31, 2011 Maximum [Member] Swap [Member] Prepaid Expenses And Other Assets [Member] USD ($)	Dec. 31, 2010 Maximum [Member] Swap [Member] Prepaid Expenses And Other Assets [Member] USD ($)	Dec. 31, 2011 Maximum [Member] Swap [Member] Accrued Expenses And Other Liabilities [Member] USD ($)	Dec. 31, 2010 Maximum [Member] Foreign Exchange Forward [Member] USD ($)	Dec. 31, 2011 Cost Of Equipment Rentals Excluding Depreciation [Member] Designated as Hedging Instrument [Member] Swap [Member] USD ($)		Dec. 31, 2010 Cost Of Equipment Rentals Excluding Depreciation [Member] Designated as Hedging Instrument [Member] Swap [Member] USD ($)
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount (in gallons)				4,200,000
Derivative Purchases Of Underlying Currency								221,000,000
Derivative Asset, Fair Value, Gross Asset		0										1,000,000		0	1,000,000
Derivative Liability, Fair Value, Gross Liability			0			1,000,000										1,000,000
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax										1,000,000	1,000,000
Hedging Activities Net Cash Flow Impact				(22,000,000)					(11,000,000)				1,000,000				1,000,000
Derivative Purchases Of Underlying Commodity (in gallons)				5,900,000	3,600,000
Derivative Instruments, Gain Recognized in Income				4,000,000	13,000,000
Gain (Loss) on Hedged Item				(23,000,000)	(11,000,000)		(4,000,000)		(13,000,000)									(23,000,000)	[1],[2]	(11,000,000)	[1],[2]
Derivative Instrument Threshold For Inclusion	$ 1,000,000

[1] Amounts recognized on derivative represent the effective portion of the fixed price diesel swaps.

[2] Amounts recognized on hedged item reflect the use of 5.9 million and 3.6 million gallons of diesel covered by the fixed price swaps during the years ended December 31, 2011 and 2010, respectively.

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Accrued Expenses And Other Liabilities and Other Long Term Liabilities (Tables)

12 Months Ended

Dec. 31, 2011

Accrued Expenses and Other Liabilities and Other Long-Term Liabilities [Abstract]

Accrued expenses and other liabilities

Accrued expenses and other liabilities consist of the following:

	December 31,
	2011		2010
Self-insurance accruals	$	30	$	36
Accrued compensation and benefit costs	57		32
Property and income taxes payable	18		23
Restructuring reserves (1)	28		28
Interest payable	26		21
Deferred revenue (2)	18		14
National accounts accrual	21		15
Due to seller	14		—
Other (3)	51		39
Accrued expenses and other liabilities	$	263	$	208

_________________

(1) Relates to branch closure charges and severance costs. See note 5 (“Restructuring and Asset Impairment Charges”) for additional detail.

(2) Primarily relates to amounts billed to customers in excess of recognizable equipment rental revenue. See note 2 (“Revenue Recognition”) for additional detail.

(3) Other includes multiple items, none of which are individually significant.

Other long-term liabilities

Other long-term liabilities consist of the following:

	December 31,
	2011		2010
Self-insurance accruals	$	53	$	57
Other	6		2
Other long-term liabilities	$	59	$	59

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Debt (Long term debt) (Narrative) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		12 Months Ended							12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended				12 Months Ended								12 Months Ended
	Dec. 31, 2010		Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2009	Dec. 31, 2011 ABL Facility [Member]	Oct. 31, 2011 ABL Facility [Member]	Dec. 31, 2009 Senior Notes Ten Point Eight Seven Five [Member]	Dec. 31, 2011 Senior Notes Ten Point Eight Seven Five [Member]	Dec. 31, 2009 Senior Notes Nine Point Two Five [Member]	Dec. 31, 2011 Senior Notes Nine Point Two Five [Member]	Dec. 31, 2010 Convertible Senior Subordinated Notes Eight Point Three Seven Five [Member]	Dec. 31, 2011 Convertible Senior Subordinated Notes Eight Point Three Seven Five [Member]	Dec. 31, 2011 1 7/8 percent Convertible Senior Subordinated Notes	Dec. 31, 2011 Convertible Subordinated Notes Four Percent [Member]	Dec. 31, 2009 Convertible Subordinated Notes Four Percent [Member]	Nov. 30, 2009 Convertible Subordinated Notes Four Percent [Member]	Dec. 31, 2011 Six Point Five Percent Subordinated Convertible Debentures [Member]	Dec. 31, 2010 Six Point Five Percent Subordinated Convertible Debentures [Member]	Dec. 31, 2011 7 3/4 percent Senior Subordinated Notes	Dec. 31, 2011 7 percent Senior Subordinated Notes	Jun. 30, 2008 Original Terms [Member] ABL Facility [Member]	Oct. 31, 2008 October 2008 Amendment ABL Facility [Member]	Nov. 30, 2009 November 2009 Amendment ABL Facility [Member]	Oct. 31, 2011 Amended Terms [Member] ABL Facility [Member]	Dec. 31, 2011 Change of Control [Member] Senior Notes Ten Point Eight Seven Five [Member]	Dec. 31, 2011 Change of Control [Member] Senior Notes Nine Point Two Five [Member]	Dec. 31, 2011 Change of Control [Member] Convertible Senior Subordinated Notes Eight Point Three Seven Five [Member]	Dec. 31, 2011 Maximum [Member] Senior Notes Ten Point Eight Seven Five [Member]	Dec. 31, 2011 Maximum [Member] Senior Notes Nine Point Two Five [Member]	Dec. 31, 2011 Maximum [Member] Convertible Senior Subordinated Notes Eight Point Three Seven Five [Member]	Dec. 31, 2011 Minimum [Member] Senior Notes Ten Point Eight Seven Five [Member]	Dec. 31, 2011 Minimum [Member] Senior Notes Nine Point Two Five [Member]	Dec. 31, 2011 Minimum [Member] Convertible Senior Subordinated Notes Eight Point Three Seven Five [Member]	Dec. 31, 2011 Low Range [Member] Convertible Subordinated Notes Four Percent [Member]	Dec. 31, 2011 High Range [Member] Convertible Subordinated Notes Four Percent [Member]	Dec. 31, 2011 Subsidiaries [Member] ABL Facility [Member]	Dec. 31, 2011 Subsidiaries [Member] 1 7/8 percent Convertible Senior Subordinated Notes	Dec. 31, 2010 Subsidiaries [Member] 1 7/8 percent Convertible Senior Subordinated Notes
Debt Instrument [Line Items]
Convertible Note Hedge Transaction Shares																	15.1
Debt Instrument, Convertible, Number of Equity Instruments																																					7.3	8.4
Debt Conversion, Market Price Per Share																																					$ 30.00	$ 35.00
Short Term Debt Maximum Borrowing Capacity																								$ 1,250	$ 1,285	$ 1,360	$ 1,800
Line Of Credit Facility Incremental Increase									500
Maximum Revolving Credit Amount Percentage								10.00%
Line of Credit Facility, Average Outstanding Amount								707
Debt, Weighted Average Interest Rate								3.10%
Line of Credit Facility, Maximum Month-end Outstanding Amount								810
Debt Instrument, Face Amount											500		500		750	144	168		173																				1,800
Proceeds from Issuance of Long-term Debt										471		480		732		140		167
Debt Instrument, Convertible, Conversion Price																$ 21.83	$ 15.56
Percentage Premium Over Price At Issuance																	75.00%
Closing Price At Issuance																	$ 8.89
Debt Conversion, Converted Instrument, Amount			5														5
Derivative, Cash Received on Hedge																	1
Convertible Note Hedge Transactions, Net																	1	17
Adjustments to Additional Paid in Capital, Other																	7
Long-term Debt, Gross																	168
Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt																		33
Proceeds from Convertible Debt																	173
Extinguishment of Debt, Amount	814		5		1,273											93				69	22
Debt Instrument Convertible If Converted Value																	446																							30
Debt Instrument Convertible If Converted Price Per Share																$ 29.55	$ 11.11
Change in Cost to Settle Convertible Debt																1	15
Change in Stock Price to Settle Convertible Debt Per Share																$ 1	$ 1
Debt Instrument Convertible If Converted Value, Non-cash																	278
Debt Conversion, If Converted Instrument, Shares Issued																	9
Debt Conversion, Hedged Converted Instrument, Cash and Non-cash Receivable																	40
Debt Instrument Convertible, Hedged, If Converted Price Per Share																	$ 13.78
Redemption Price Percentage Of Face Value																100.00%	100.00%											101.00%	101.00%	101.00%	105.438%	104.625%	104.188%	100.00%	100.00%	100.00%
Convertible Senior Subordinated Notes																																								22	22
Long Term Debt And Capital Lease Obligations Current And Noncurrent	2,805	[1]	2,987	[1]	2,805	[1]
Debt Instrument, Unamortized Discount											11		7				39
Debt Instrument, Interest Rate, Effective Percentage											11.50%		9.50%				11.60%
Derivative, Cost of Hedge							26											26
Debt Instrument Effective Price At Conversion																	$ 13.70
Credit Facility Term								5 years
Debt Instrument, Interest Rate, Stated Percentage											10.875%		9.25%		8.375%	1.875%	4.00%		4.00%	6.50%		7.75%	7.00%
Debt Terms Reference Amount To Maximum Revolving Credit								$ 150

[1] In August 1998, a subsidiary trust of Holdings (the “Trust”) issued and sold $300 of 6 1/2 percent Convertible Quarterly Income Preferred Securities (“QUIPS”) in a private offering. The Trust used the proceeds from the offering to purchase 6 1/2 percent subordinated convertible debentures due 2028 (the “Debentures”), which resulted in Holdings receiving all of the net proceeds of the offering. The QUIPS are non-voting securities, carry a liquidation value of $50 (fifty dollars) per security and are convertible into Holdings’ common stock. Total long-term debt at December 31, 2011 and 2010 excludes $55 and $124 of these Debentures, respectively, which are separately classified in our consolidated balance sheets and referred to as “subordinated convertible debentures.” The subordinated convertible debentures reflect the obligation to our subsidiary that has issued the QUIPS. This subsidiary is not consolidated in our financial statements because we are not the primary beneficiary of the Trust. See note 13 (“Subordinated Convertible Debentures”) for additional detail. S

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Income Taxes

12 Months Ended

Dec. 31, 2011

Income Taxes Disclosure [Abstract]

Income Taxes

Income Taxes

The components of the provision (benefit) for income taxes from continuing operations for each of the three years in the period ended December 31, 2011 are as follows:

	Year ended December 31,
	2011		2010			2009
Current
Federal	$	—	$	—		$	(55	)
Foreign	22		16			5
State and local	2		1			(1		)
	24		17			(51		)
Deferred
Federal	36		(48		)	13
Foreign	1		(1		)	2
State and local	2		(9		)	(11		)
	39		(58		)	4
Total	$	63	$	(41	)	$	(47	)

A reconciliation of the provision (benefit) for income taxes and the amount computed by applying the statutory federal income tax rate of 35 percent to the income (loss) from continuing operations before provision (benefit) for income taxes for each of the three years in the period ended December 31, 2011 is as follows:

	Year ended December 31,
	2011			2010			2009
Computed tax at statutory tax rate	$	57		$	(22	)	$	(38	)
State income taxes, net of federal tax benefit	3			(8		)	(7		)
Non-deductible expenses and other (1)	12			(6		)	(1		)
Foreign taxes	(9		)	(5		)	(1		)
Total	$	63		$	(41	)	$	(47	)

(1) 2011 non-deductible expenses and other includes $6 due to the non-deductibility of certain costs associated with the proposed RSC acquisition and $3 related to an adjustment of federal and state deferred tax liabilities. 2010 non-deductible expenses and other includes a benefit of $7 related to a correction of a deferred tax asset recognized in prior periods.

The components of deferred income tax assets (liabilities) are as follows:

	December 31, 2011								December 31, 2010
	Current		Non Current			Total			Current		Non Current			Total
Reserves and allowances	$	45	$	33		$	78		$	69	$	9		$	78
Intangibles	—		45			45			—		81			81
Net operating loss and credit carryforwards	59		97			156			—		167			167
Total deferred tax assets	104		175			279			69		257			326
Property and equipment	—		(620		)	(620		)	—		(618		)	(618		)
Intangibles	—		(5		)	(5		)	—		—			—
Debt cancellation and other	—		(18		)	(18		)	—		(22		)	(22		)
Valuation allowance	—		(2		)	(2		)	—		(2		)	(2		)
Total deferred tax liability	—		(645		)	(645		)	—		(642		)	(642		)
Total deferred income tax asset (liability)	$	104	$	(470	)	$	(366	)	$	69	$	(385	)	$	(316	)

As of December 31, 2011 and 2010, we had $4 of unrecognized tax benefits all of which would impact our effective tax rate if recognized. A reconciliation of the beginning and ending amounts of unrecognized tax benefits is as follows:

	2011		2010
Balance at January 1	$	4	$	6
Settlements	—		(2		)
Balance at December 31	$	4	$	4

We include interest accrued on the underpayment of income taxes in interest expense, and penalties, if any, related to unrecognized tax benefits in selling, general and administrative expense. Interest expense of less than $1 related to income tax was reflected in our consolidated statements of income for each of the years ended December 31, 2011 and 2010.

We file income tax returns in the United States and in several foreign jurisdictions. With few exceptions, we have completed our domestic and international income tax examinations, or the statute of limitations has expired in the respective jurisdictions, for years prior to 2004. The Internal Revenue Service (“IRS”) has completed audits for periods prior to 2006. Canadian authorities have concluded income tax audits for periods through 2006. The Company paid cash settlements of $3 in the fourth quarter of 2009 and $1 in the first quarter of 2010 relating to the 2003 through 2005 Canadian transfer pricing audit, which is now closed. Included in the balance of unrecognized tax benefits at December 31, 2011 are certain tax positions under audit by the Canadian Revenue Authority ("CRA"), and it is reasonably possible that these audits will be concluded within the next 12 months. It is reasonably possible that the conclusion of these audits will result in a settlement of reported unrecognized tax benefits for those tax positions during the next 12 months. However, based on the status of the ongoing audit examinations and alternative settlement options available to the Company for certain of these tax positions, which could include legal proceedings, it is not possible to estimate the amount of the change, if any, to the previously recorded uncertain tax positions.

For financial reporting purposes, income from continuing operations before income taxes for our foreign subsidiaries was $86, $54 and $25 for the years ended December 31, 2011, 2010 and 2009, respectively. At December 31, 2011, unremitted earnings of foreign subsidiaries were approximately $232. Since it is our intention to indefinitely reinvest these earnings, no U.S. taxes have been provided for these amounts. Determination of the amount of unrecognized deferred tax liability on these unremitted taxes is not practicable.

We have net operating loss carryforwards (“NOLs”) of $1,080 for state income tax purposes that expire from 2012 through 2031. We have recorded a valuation allowance against this deferred asset of $2 as of December 31, 2011 and 2010. We have NOLs of $136 for federal income tax purposes that expire beginning in 2030. We have not recorded a valuation allowance against this deferred tax asset because it is deemed more likely than not that such benefit will be realized in the future.

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Derivatives (Tables)

12 Months Ended

Dec. 31, 2011

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Effect of derivatives on consolidated statements of income

The effect of our derivative instruments on our consolidated statements of income for the years ended December 31, 2011 and 2010 was as follows:

		Year Ended December 31, 2011			Year Ended December 31, 2010
	Location of  income (expense) recognized  on derivative/hedged item	Amount of income recognized on derivative	Amount of expense recognized on hedged item		Amount of income recognized on derivative	Amount of expense recognized on hedged item
Derivatives designated as hedging instruments:
Fixed price diesel swaps	Other income (expense), net (1)	$ *			$ *
	Cost of equipment rentals, excluding depreciation (2), (3)	2	(23	)	*	(11	)
Derivatives not designated as hedging instruments:
Foreign currency forward contracts	Other income (expense), net	4	(4	)	13	(13	)

_________________

* Amounts are insignificant (less than $1).

(1) Represents the ineffective portion of the fixed price diesel swaps.

(2) Amounts recognized on derivative represent the effective portion of the fixed price diesel swaps.

(3) Amounts recognized on hedged item reflect the use of 5.9 million and 3.6 million gallons of diesel covered by the fixed price swaps during the years ended December 31, 2011 and 2010, respectively.

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Common Stock

12 Months Ended

Dec. 31, 2011

Common Stock Disclosure [Abstract]

Common Stock

Common Stock

We have 500 million authorized shares of common stock, $0.01 par value. At December 31, 2011 and 2010, there were (i) 1.5 million and 3.4 million shares of common stock reserved for issuance pursuant to options granted under our stock option plans, respectively, (ii) 1.3 million and 3.0 million shares of common stock reserved for the conversion of outstanding QUIPS of the Trust, respectively, (iii) 1.0 million shares of common stock reserved for the conversion of 1 ⁷/8 percent Convertible Notes and (iv) 18.9 million and 19.4 million shares of common stock reserved for the conversion of 4 percent Convertible Notes, respectively. As discussed above (see note 12 “Debt”), based on the price of our common stock during the fourth quarter of 2011, holders of the 4 percent Convertible Notes may convert them during the first quarter of 2012 at a conversion price of approximately $11.11 per share of common stock. Between January 1, 2012 (the beginning of the first quarter) and January 23, 2012, none of the 4 percent Convertible Notes were converted.

As of December 31, 2011, there were an aggregate of 1.0 million outstanding time and performance-based restricted stock units which vest in 2012, 2013 and 2014, and there were 1.7 million shares available for grant of stock and options under our 2010 Long Term Incentive Plan.

A summary of the transactions within the Company’s stock option plans follows (shares in thousands):

	Shares		Weighted-Average Exercise Price
Outstanding at January 1, 2009	2,341		$	21.94
Granted	910		3.74
Exercised	—		—
Canceled	(469	)	25.45
Outstanding at December 31, 2009	2,782		15.40
Granted	851		8.43
Exercised	(196	)	5.63
Canceled	(84	)	11.71
Outstanding at December 31, 2010	3,353		14.30
Granted	63		31.49
Exercised	(1,831	)	19.25
Canceled	(49	)	7.85
Outstanding at December 31, 2011	1,536		9.30
Exercisable at December 31, 2009	1,869		$	21.03
Exercisable at December 31, 2010	1,932		$	19.98
Exercisable at December 31, 2011	674		$	10.14

As of December 31, 2011 (options in thousands):

	Options Outstanding				Options Exercisable
Range of Exercise Prices	Amount Outstanding	Weighted Average Remaining Contractual Life	Weighted Average Exercise Price		Amount Exercisable	Weighted Average Exercise Price
$0.01-5.00	523	7.2	$	3.40	272	$	3.39
5.01-10.00	718	8.2	8.38		184	8.40
10.01-15.00	33	7.5	11.44		19	11.45
15.01-20.00	84	2.8	17.91		84	17.91
20.01-25.00	92	2.1	21.93		92	21.93
25.01-30.00	20	5.0	25.68		20	25.68
30.01-35.00	66	9.0	31.64		3	34.86
	1,536		$	9.30	674	$	10.14

Stockholders’ Rights Plan. Our stockholders' rights plan expired in accordance with its terms on September 27, 2011. Our board of directors elected not to renew or extend the plan.

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Subordinated Convertible Debentures (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended	12 Months Ended					1 Months Ended	3 Months Ended	12 Months Ended		3 Months Ended	12 Months Ended		1 Months Ended
	Dec. 31, 2010	Dec. 31, 2011	Dec. 31, 2010		Dec. 31, 2009	Dec. 31, 2011 QUIPS [Member]	Aug. 31, 1998 Unconsolidated Subsidiaries [Member] QUIPS [Member]	Dec. 31, 2011 Unconsolidated Subsidiaries [Member] QUIPS [Member]	Dec. 31, 2011 Unconsolidated Subsidiaries [Member] QUIPS [Member]	Dec. 31, 2010 Unconsolidated Subsidiaries [Member] QUIPS [Member]	Dec. 31, 2011 Six Point Five Percent Subordinated Convertible Debentures [Member]	Dec. 31, 2011 Six Point Five Percent Subordinated Convertible Debentures [Member] Quarter	Dec. 31, 2010 Six Point Five Percent Subordinated Convertible Debentures [Member]	Aug. 31, 1998 Original Terms [Member] Unconsolidated Subsidiaries [Member] QUIPS [Member]	Jul. 31, 2008 Amended Terms [Member] Unconsolidated Subsidiaries [Member] QUIPS [Member]
Debt Instrument [Line Items]
Proceeds from Issuance of Private Placement						$ 300	$ 300
Preferred Stock, Liquidation Preference Per Share						$ 50	$ 50
Stock Conversion Ratio														1.146	1.219
Stock Conversion Price, Per Share														$ 43.63	$ 41.02
Extinguishment of Debt, Amount	814	5	1,273					32	69	22		69	22
Repayments of Debt and Capital Lease Obligations		1,813	3,606		3,658			32	68	9
Gains (Losses) on Extinguishment of Debt	(25)	(3)	(28)	[1]	7						1	(2)	13
Convertible Subordinated Debt, Noncurrent	$ 124	$ 55	$ 124								$ 55	$ 55	$ 124
Debt Instrument, Interest Rate, Stated Percentage											6.50%	6.50%
Number of Consecutive Quarters Quarterly Interest Payments Can Contractually be Deferred												20

[1] The amount of the loss is calculated as the difference between the net carrying amount of the related security and the repurchase price. The net carrying amounts of the securities are less than the principal amounts due to capitalized debt issuance costs and any original issue discount. Aggregate costs of less than $1 and $16 were written off in the years ended December 31, 2011 and 2010, respectively, in connection with the repurchases/redemptions. The $16 of aggregate costs written off in the year ended December 31, 2010 was comprised of $12 of write-offs of debt issuance costs and a $4 write-off of a previously terminated derivative transaction. The losses are reflected in interest expense, net in our consolidated statements of income.

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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010		Dec. 31, 2009
Cash Flows From Operating Activities:
Net income (loss)	$ 101	$ (26)		$ (62)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	480	449		474
Amortization of deferred financing costs and original issue discounts	22	23		17
Gain on sales of rental equipment	(66)	(41)		(7)
Loss (gain) on sales of non-rental equipment	(2)	0		1
Stock compensation expense, net	12	8		8
RSC merger related costs	19	0		0
Restructuring charge	19	34		31
Loss (gain) on repurchase/redemption of debt securities and ABL amendment	3	28	[1]	(7)
Loss (gain) on retirement of subordinated convertible debentures	2	0		(13)
(Decrease) increase in deferred taxes	39	(58)		4
Changes in operating assets and liabilities:
(Increase) decrease in accounts receivable	(62)	(38)		128
(Increase) decrease in inventory	(3)	5		16
(Increase) decrease in prepaid expenses and other assets	(19)	61		(36)
Increase (decrease) in accounts payable	68	4		(32)
(Decrease) increase in accrued expenses and other liabilities	(5)	3		(84)
Net cash provided by operating activities	608	452		438
Cash Flows From Investing Activities:
Purchases of rental equipment	(774)	(346)		(260)
Purchases of non-rental equipment	(36)	(28)		(51)
Proceeds from sales of rental equipment	208	144		229
Proceeds from sales of non-rental equipment	17	7		13
Purchases of other companies	(276)	0		(25)
Net cash used in investing activities	(861)	(223)		(94)
Cash Flows From Financing Activities:
Proceeds from debt	1,892	3,423		3,452
Payments of debt, including subordinated convertible debentures	(1,813)	(3,606)		(3,658)
Payments of financing costs	(16)	(18)		(33)
Proceeds from the exercise of common stock options	35	1		0
Shares repurchased and retired	(7)	(1)		(1)
Cash paid in connection with the 4 percent Convertible Senior Notes and related hedge, net	(11)	0		(26)
Excess tax benefits from share-based payment arrangements, net	0	(2)		(2)
Net cash provided by (used in) financing activities	80	(203)		(268)
Effect of foreign exchange rates	6	8		16
Net (decrease) increase in cash and cash equivalents	(167)	34		92
Cash and cash equivalents at beginning of year	203	169		77
Cash and cash equivalents at end of year	36	203		169
Supplemental disclosure of cash flow information:
Cash paid for interest, including subordinated convertible debentures	203	229		234
Cash paid (received) for income taxes, net	$ 24	$ (49)		$ 3

[1] The amount of the loss is calculated as the difference between the net carrying amount of the related security and the repurchase price. The net carrying amounts of the securities are less than the principal amounts due to capitalized debt issuance costs and any original issue discount. Aggregate costs of less than $1 and $16 were written off in the years ended December 31, 2011 and 2010, respectively, in connection with the repurchases/redemptions. The $16 of aggregate costs written off in the year ended December 31, 2010 was comprised of $12 of write-offs of debt issuance costs and a $4 write-off of a previously terminated derivative transaction. The losses are reflected in interest expense, net in our consolidated statements of income.

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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Statement of Financial Position [Abstract]
Accounts receivable, allowance for doubtful accounts	$ 33	$ 29
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	500,000,000	500,000,000
Common stock, shares issued	62,877,530	60,621,338
Common stock, shares outstanding	62,877,530	60,621,338

XML

Accrued Expenses And Other Liabilities and Other Long Term Liabilities

12 Months Ended

Dec. 31, 2011

Accrued Expenses and Other Liabilities and Other Long-Term Liabilities [Abstract]

Accrued Expenses and Other Liabilities and Other Long-Term Liabilities

Accrued Expenses and Other Liabilities and Other Long-Term Liabilities

Accrued expenses and other liabilities consist of the following:

	December 31,
	2011		2010
Self-insurance accruals	$	30	$	36
Accrued compensation and benefit costs	57		32
Property and income taxes payable	18		23
Restructuring reserves (1)	28		28
Interest payable	26		21
Deferred revenue (2)	18		14
National accounts accrual	21		15
Due to seller	14		—
Other (3)	51		39
Accrued expenses and other liabilities	$	263	$	208

_________________

(1) Relates to branch closure charges and severance costs. See note 5 (“Restructuring and Asset Impairment Charges”) for additional detail.

(2) Primarily relates to amounts billed to customers in excess of recognizable equipment rental revenue. See note 2 (“Revenue Recognition”) for additional detail.

(3) Other includes multiple items, none of which are individually significant.

Other long-term liabilities consist of the following:

	December 31,
	2011		2010
Self-insurance accruals	$	53	$	57
Other	6		2
Other long-term liabilities	$	59	$	59

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Document And Entity Information (USD $) In Billions, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Feb. 03, 2012	Jun. 30, 2011
Document and Entity Information [Line Items]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Dec. 31, 2011
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	FY
Entity Registrant Name	UNITED RENTALS INC /DE
Entity Central Index Key	0001067701
Entity Filer Category	Large Accelerated Filer
Current Fiscal Year End Date	--12-31
Entity Common Stock, Shares Outstanding		62,959,239
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 1.38

XML

Derivatives

12 Months Ended

Dec. 31, 2011

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivatives

Derivatives

We recognize all derivative instruments as either assets or liabilities at fair value, and recognize changes in the fair value of the derivative instruments based on the designation of the derivative. For derivative instruments that are designated and qualify as hedging instruments, we designate the hedging instrument, based upon the exposure being hedged, as either a fair value hedge or a cash flow hedge. As of December 31, 2011, we do not have any outstanding derivative instruments designated as fair value hedges. The effective portion of the changes in fair value of derivatives that are designated as cash flow hedges is recorded as a component of accumulated other comprehensive income. Amounts included in accumulated other comprehensive income for cash flow hedges are reclassified into earnings in the same period that the hedged item is recognized in earnings. The ineffective portion of changes in the fair value of derivatives designated as cash flow hedges is recorded currently in earnings. For derivative instruments that do not qualify for hedge accounting, we recognize gains or losses due to changes in fair value in our consolidated statements of income during the period in which the changes in fair value occur.

We are exposed to certain risks relating to our ongoing business operations. During the year ended December 31, 2011, the risks we managed using derivative instruments were diesel price risk and foreign currency exchange rate risk. At December 31, 2011, we had outstanding fixed price swap contracts on diesel purchases which were entered into to mitigate the price risk associated with forecasted purchases of diesel. During the year ended December 31, 2011, we entered into forward contracts to purchase Canadian dollars to mitigate the foreign currency exchange rate risk associated with certain Canadian dollar denominated intercompany loans. At December 31, 2011, there were no outstanding forward contracts to purchase Canadian dollars. The outstanding forward contracts on diesel purchases were designated and qualify as cash flow hedges and the forward contracts to purchase Canadian dollars, which were all settled as of December 31, 2011, represented derivative instruments not designated as hedging instruments.

Fixed Price Diesel Swaps

The fixed price swap contracts on diesel purchases that were outstanding at December 31, 2011 were designated and qualify as cash flow hedges and the effective portion of the unrealized gain or loss on these contracts is reported as a component of accumulated other comprehensive income and is reclassified into earnings in the period during which the hedged transaction affects earnings (i.e., when the hedged gallons of diesel are used). The remaining gain or loss on the fixed price swap contracts in excess of the cumulative change in the present value of future cash flows of the hedged item, if any (i.e., the ineffective portion), is recognized in our consolidated statements of income during the current period. As of December 31, 2011, we had outstanding fixed price swap contracts covering 4.2 million gallons of diesel which will be purchased throughout 2012.

Foreign Currency Forward Contracts

The forward contracts to purchase Canadian dollars, which were all settled as of December 31, 2011, represented derivative instruments not designated as hedging instruments and gains or losses due to changes in the fair value of the forward contracts were recognized in our consolidated statements of income during the period in which the changes in fair value occurred. During the year ended December 31, 2011, forward contracts were used to purchase $221 Canadian dollars, representing the total amount due at maturity for certain Canadian dollar denominated intercompany loans that were settled during the year ended December 31, 2011. Upon maturity, the proceeds from the forward contracts were used to pay down the Canadian dollar denominated intercompany loans.

Financial Statement Presentation

There were no derivative instruments outstanding during the year ended December 31, 2009, and derivative instruments had no impact on our financial statements in 2009.

As of December 31, 2011 and December 31, 2010, $0 and less than $1 were reflected in prepaid expenses and other assets, respectively, $1 and $0, respectively, were reflected in accrued expenses and other liabilities, and less than $1 was reflected in accumulated other comprehensive income in our consolidated balance sheets associated with the outstanding fixed price swap contracts that were designated and qualify as cash flow hedges. Operating cash flows in our consolidated statement of cash flows for the year ended December 31, 2011 include $22 associated with the fixed price diesel swaps, comprised of the $23 cost of the 5.9 million hedged gallons of diesel purchased in 2011, net of cash received from the counterparties to the fixed price swaps. Insignificant amounts (less than $1) were reflected in our consolidated statement of cash flows for the year ended December 31, 2011 associated with the forward contracts to purchase Canadian dollars, as the cash impact of the $4 gain recognized on the derivative was offset by the $4 loss recognized on the hedged item. Operating cash flows in our consolidated statement of cash flows for the year ended December 31, 2010 include $11 associated with the fixed price diesel swaps, comprised of the $11 cost of the 3.6 million hedged gallons of diesel purchased in 2010, net of cash received from the counterparty to the fixed price swaps. Insignificant amounts (less than $1) were reflected in our consolidated statement of cash flows for the year ended December 31, 2010 associated with the forward contracts to purchase Canadian dollars, as the cash impact of the $13 gain recognized on the derivative was offset by the $13 loss recognized on the hedged item.

The effect of our derivative instruments on our consolidated statements of income for the years ended December 31, 2011 and 2010 was as follows:

		Year Ended December 31, 2011			Year Ended December 31, 2010
	Location of  income (expense) recognized  on derivative/hedged item	Amount of income recognized on derivative	Amount of expense recognized on hedged item		Amount of income recognized on derivative	Amount of expense recognized on hedged item
Derivatives designated as hedging instruments:
Fixed price diesel swaps	Other income (expense), net (1)	$ *			$ *
	Cost of equipment rentals, excluding depreciation (2), (3)	2	(23	)	*	(11	)
Derivatives not designated as hedging instruments:
Foreign currency forward contracts	Other income (expense), net	4	(4	)	13	(13	)

_________________

* Amounts are insignificant (less than $1).

(1) Represents the ineffective portion of the fixed price diesel swaps.

(2) Amounts recognized on derivative represent the effective portion of the fixed price diesel swaps.

(3) Amounts recognized on hedged item reflect the use of 5.9 million and 3.6 million gallons of diesel covered by the fixed price swaps during the years ended December 31, 2011 and 2010, respectively.

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Earnings (Loss) Per Share (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended																12 Months Ended
	Dec. 31, 2011		Sep. 30, 2011		Jun. 30, 2011		Mar. 31, 2011		Dec. 31, 2010		Sep. 30, 2010		Jun. 30, 2010		Mar. 31, 2010		Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2009
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Antidilutive securities excluded (in shares)																	2,200,000		10,900,000		11,800,000
Numerator [Abstract]
Income (loss) from continuing operations	$ 28	[1]	$ 65		$ 28		$ (20)		$ (17)	[2]	$ 23		$ 12		$ (40)		$ 101		$ (22)		$ (60)
Income (loss) from continuing operations available to common stockholders																	101		(22)		(60)
Loss from discontinued operation																	0		(4)		(2)
Net income (loss) available to common stockholders																	101		(26)		(62)
Denominator [Abstract]
Denominator for basic earnings (loss) per share - weighted-average common shares (in shares)																	62,184,000		60,455,000		60,100,000
Denominator for diluted earnings (loss) per share - adjusted weighted-average common shares (in shares)																	73,349,000		60,455,000		60,100,000
Earnings Per Share, Basic [Abstract]
Income (loss) from continuing operations (in dollars per share)	$ 0.45	[1]	$ 1.04		$ 0.45		$ (0.34)		$ (0.29)	[2]	$ 0.37		$ 0.20		$ (0.67)		$ 1.62		$ (0.38)		$ (0.98)
Loss from discontinued operation (in dollars per share)																	$ 0.00		$ (0.06)		$ (0.04)
Net income (loss) (in dollars per share)																	$ 1.62		$ (0.44)		$ (1.02)
Earnings Per Share, Diluted [Abstract]
Income (loss) from continuing operations (in dollars per share)	$ 0.39	[1],[3]	$ 0.91	[3]	$ 0.38	[3]	$ (0.34)	[3]	$ (0.29)	[2],[3]	$ 0.33	[3]	$ 0.18	[3]	$ (0.67)	[3]	$ 1.38	[3]	$ (0.38)	[3]	$ (0.98)
Loss from discontinued operation (in dollars per share)																	$ 0.00		$ (0.06)		$ (0.04)
Net income (loss) (in dollars per share)																	$ 1.38		$ (0.44)		$ (1.02)
Employee stock options and warrants (member)
Denominator [Abstract]
Employee stock options, warrants and restricted stock units (in shares)																	1,037,000
Convertible subordinated notes - 1 7/8 percent
Numerator [Abstract]
Convertible debt interest - 1 7/8 notes																	$ 0		$ 0		$ 0
Denominator [Abstract]
Convertible subordinated notes (in shares)																	1,015,000
Convertible subordinated notes - four percent
Denominator [Abstract]
Convertible subordinated notes (in shares)																	8,532,000
Restricted stock units
Denominator [Abstract]
Employee stock options, warrants and restricted stock units (in shares)																	581,000

[1] During the fourth quarter of 2011, we recognized $19 of charges associated with the proposed RSC merger. Additionally, during the quarter, we closed 18 branches and recognized restructuring charges of $14. During the quarter, we also recognized asset impairment charges of $3 which are primarily reflected in non-rental depreciation and amortization and principally relate to write-offs of leasehold improvements and other fixed assets in connection with the consolidation of our branch network. In the quarter, we also purchased an aggregate of $32 of QUIPS for $32. In connection with this transaction, we retired $32 principal amount of our subordinated convertible debentures and recognized a loss of $1 in interest expense-subordinated convertible debentures, net, inclusive of the write-off of capitalized debt issuance costs. Interest expense, net for the fourth quarter of 2011 also includes a loss of $3 reflecting write-offs of debt issuance costs associated with the amendment of our ABL facility discussed above. During the quarter, we also recognized a benefit of $8 in cost of equipment rentals, excluding depreciation related to our provision for self-insurance reserves.

[2] During the fourth quarter of 2010, we repurchased or redeemed and subsequently retired an aggregate of $814 principal amount of our outstanding 7 3/4 percent Senior Subordinated Notes due 2013, 7 percent Senior Subordinated Notes due 2014 and 1 7/8 percent Convertible Senior Subordinated Notes due 2023. Interest expense, net for the fourth quarter of 2010 includes a charge of $25, representing the difference between the net carrying amount of these securities and the total purchase price of $827. The $25 charge includes a $4 write-off of a previously terminated derivative transaction. During the quarter, we also recognized restructuring charges of $15 related to the closure of 22 branches and reductions in headcount of approximately 100, and recognized asset impairment charges of $6. These asset impairment charges are primarily reflected in non-rental depreciation and amortization and principally relate to write-offs of leasehold improvement and other fixed assets in connection with the consolidation of our branch network. Additionally, the income tax provision (benefit) for the quarter includes a benefit of $7 related to a correction of a deferred tax asset recognized in prior periods. During the quarter, we also recognized a charge of $24 related to our provision for self-insurance reserves, comprised of $18 recorded in cost of equipment rentals, excluding depreciation, and $6 recorded in discontinued operation. The charge reflected recent adverse experience in our portfolio of automobile and general liability claims, as well as worker’s compensation claims. The discontinued operation component of the charge is reflected net of taxes in our consolidated statements of income.

[3] Diluted earnings (loss) per share from continuing operations includes the after-tax impacts of the following: First Quarter Second Quarter Third Quarter Fourth Quarter Full YearFor the year ended December 31, 2011: RSC merger related costs (4)$— $— $— $(0.25) $(0.25)Restructuring charge (5)(0.01) (0.01) (0.01) (0.12) (0.16)Losses on repurchase/retirement of debt securities and subordinated convertible debentures, and ABL amendment (6)(0.01) — — (0.03) (0.04)Asset impairment charge (7)— (0.01) — (0.03) (0.04)For the year ended December 31, 2010: Restructuring charge (5)(0.06) $(0.06) $(0.06) $(0.15) $(0.34)(Losses) gains on repurchase/retirement of debt securities (6)(0.04) 0.01 — (0.24) (0.28)Asset impairment charge (7)— (0.02) (0.01) (0.06) (0.09)

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CONSOLIDATED STATEMENTS OF INCOME (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended																12 Months Ended
	Dec. 31, 2011		Sep. 30, 2011		Jun. 30, 2011		Mar. 31, 2011		Dec. 31, 2010		Sep. 30, 2010		Jun. 30, 2010		Mar. 31, 2010		Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2009
Revenues:
Equipment rentals																	$ 2,151		$ 1,834		$ 1,830
Sales of rental equipment																	208		144		229
Sales of new equipment																	84		78		86
Contractor supplies sales																	85		95		121
Service and other revenues																	83		86		92
Total revenues	746	[1]	713		629		523		597	[2]	605		557		478		2,611		2,237		2,358
Cost of revenues:
Cost of equipment rentals, excluding depreciation																	992		924		910
Depreciation of rental equipment																	423		389		417
Cost of rental equipment sales																	142		103		222
Cost of new equipment sales																	67		65		73
Cost of contractor supplies sales																	58		66		89
Cost of service and other revenues																	31		32		37
Total cost of revenues																	1,713		1,579		1,748
Gross profit	275	[1]	274		211		138		175	[2]	209		171		103		898		658		610
Selling, general and administrative expenses																	407		367		408
RSC merger related costs																	19		0		0
Restructuring charge									15								19		34		31
Non-rental depreciation and amortization																	57		60		57
Operating income	115	[1]	156		95		30		47	[2]	93		59		(2)		396		197		114
Interest expense, net																	228		255		226
Interest expense-subordinated convertible debentures, net																	7		8		(4)
Other income, net																	(3)		(3)		(1)
Income (loss) from continuing operations before provision (benefit) for income taxes																	164		(63)		(107)
Provision (benefit) for income taxes																	63		(41)		(47)
Income (loss) from continuing operations	28	[1]	65		28		(20)		(17)	[2]	23		12		(40)		101		(22)		(60)
Loss from discontinued operation, net of taxes																	0		(4)		(2)
Net income (loss)	$ 29	[1]	$ 65		$ 27		$ (20)		$ (21)	[2]	$ 23		$ 12		$ (40)		$ 101		$ (26)		$ (62)
Basic earnings (loss) per share:
Income (loss) from continuing operations (in dollars per share)	$ 0.45	[1]	$ 1.04		$ 0.45		$ (0.34)		$ (0.29)	[2]	$ 0.37		$ 0.20		$ (0.67)		$ 1.62		$ (0.38)		$ (0.98)
Loss from discontinued operation (in dollars per share)																	$ 0.00		$ (0.06)		$ (0.04)
Net income (loss) (in dollars per share)																	$ 1.62		$ (0.44)		$ (1.02)
Diluted earnings (loss) per share:
Income (loss) from continuing operations (in dollars per share)	$ 0.39	[1],[3]	$ 0.91	[3]	$ 0.38	[3]	$ (0.34)	[3]	$ (0.29)	[2],[3]	$ 0.33	[3]	$ 0.18	[3]	$ (0.67)	[3]	$ 1.38	[3]	$ (0.38)	[3]	$ (0.98)
Loss from discontinued operation (in dollars per share)																	$ 0.00		$ (0.06)		$ (0.04)
Net income (loss) (in dollars per share)																	$ 1.38		$ (0.44)		$ (1.02)

[1] During the fourth quarter of 2011, we recognized $19 of charges associated with the proposed RSC merger. Additionally, during the quarter, we closed 18 branches and recognized restructuring charges of $14. During the quarter, we also recognized asset impairment charges of $3 which are primarily reflected in non-rental depreciation and amortization and principally relate to write-offs of leasehold improvements and other fixed assets in connection with the consolidation of our branch network. In the quarter, we also purchased an aggregate of $32 of QUIPS for $32. In connection with this transaction, we retired $32 principal amount of our subordinated convertible debentures and recognized a loss of $1 in interest expense-subordinated convertible debentures, net, inclusive of the write-off of capitalized debt issuance costs. Interest expense, net for the fourth quarter of 2011 also includes a loss of $3 reflecting write-offs of debt issuance costs associated with the amendment of our ABL facility discussed above. During the quarter, we also recognized a benefit of $8 in cost of equipment rentals, excluding depreciation related to our provision for self-insurance reserves.

[2] During the fourth quarter of 2010, we repurchased or redeemed and subsequently retired an aggregate of $814 principal amount of our outstanding 7 3/4 percent Senior Subordinated Notes due 2013, 7 percent Senior Subordinated Notes due 2014 and 1 7/8 percent Convertible Senior Subordinated Notes due 2023. Interest expense, net for the fourth quarter of 2010 includes a charge of $25, representing the difference between the net carrying amount of these securities and the total purchase price of $827. The $25 charge includes a $4 write-off of a previously terminated derivative transaction. During the quarter, we also recognized restructuring charges of $15 related to the closure of 22 branches and reductions in headcount of approximately 100, and recognized asset impairment charges of $6. These asset impairment charges are primarily reflected in non-rental depreciation and amortization and principally relate to write-offs of leasehold improvement and other fixed assets in connection with the consolidation of our branch network. Additionally, the income tax provision (benefit) for the quarter includes a benefit of $7 related to a correction of a deferred tax asset recognized in prior periods. During the quarter, we also recognized a charge of $24 related to our provision for self-insurance reserves, comprised of $18 recorded in cost of equipment rentals, excluding depreciation, and $6 recorded in discontinued operation. The charge reflected recent adverse experience in our portfolio of automobile and general liability claims, as well as worker’s compensation claims. The discontinued operation component of the charge is reflected net of taxes in our consolidated statements of income.

[3] Diluted earnings (loss) per share from continuing operations includes the after-tax impacts of the following: First Quarter Second Quarter Third Quarter Fourth Quarter Full YearFor the year ended December 31, 2011: RSC merger related costs (4)$— $— $— $(0.25) $(0.25)Restructuring charge (5)(0.01) (0.01) (0.01) (0.12) (0.16)Losses on repurchase/retirement of debt securities and subordinated convertible debentures, and ABL amendment (6)(0.01) — — (0.03) (0.04)Asset impairment charge (7)— (0.01) — (0.03) (0.04)For the year ended December 31, 2010: Restructuring charge (5)(0.06) $(0.06) $(0.06) $(0.15) $(0.34)(Losses) gains on repurchase/retirement of debt securities (6)(0.04) 0.01 — (0.24) (0.28)Asset impairment charge (7)— (0.02) (0.01) (0.06) (0.09)

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Segment Information

12 Months Ended

Dec. 31, 2011

Segment Reporting, Measurement Disclosures [Abstract]

Segment Information

Segment Information

Our reportable segments are general rentals and trench safety, power and HVAC. The general rentals segment includes the rental of the following equipment:

• General construction and industrial equipment, such as backhoes, skid-steer loaders, forklifts, earthmoving equipment and material handling equipment, which accounted for approximately 41 percent of our total 2011 equipment rental revenue;

• Aerial work platforms,such as boom lifts and scissor lifts, which accounted for approximately 39 percent of our total 2011 equipment rental revenue; and

• General tools and light equipment, such as pressure washers, water pumps, generators, heaters and power tools, which accounted for approximately 8 percent of our total 2011 equipment rental revenue.

The general rentals segment reflects the aggregation of seven geographic regions—the Southwest, Gulf, Northwest, Southeast, Midwest, East, and the Northeast Canada—and operates throughout the United States and Canada.

The trench safety, power and HVAC segment includes the rental of specialty construction products such as the following:

• Trench safety equipment, such as trench shields, aluminum hydraulic shoring systems, slide rails, crossing plates, construction lasers and line testing equipment for underground work, which accounted for approximately 6 percent of our total 2011 equipment rental revenue; and

• Power and HVAC equipment, such as portable diesel generators, electrical distribution equipment, and temperature control equipment including heating and cooling equipment, which accounted for approximately 6 percent of our total 2011 equipment rental revenue.

The trench safety, power and HVAC segment’s customers include construction companies involved in infrastructure projects, municipalities and industrial companies. This segment operates throughout the United States and in Canada.

These segments align our external segment reporting with how management evaluates and allocates resources. We evaluate segment performance based on segment operating results.

The accounting policies for our segments are the same as those described in the summary of significant accounting policies in note 2. Certain corporate costs, including those related to selling, finance, legal, risk management, human resources, corporate management and information technology systems, are deemed to be of an operating nature and are allocated to our segments based on either the actual amount of costs incurred in the prior year for selling, general and administrative expenses or equipment rental revenue generating activities.

The following table sets forth financial information by segment for the years ended December 31, 2011, 2010 and 2009, except for balance sheet information, which is presented as of December 31, 2011 and 2010.

	General rentals		Trench safety, power and HVAC		Total
2011
Equipment rentals	$	1,953	$	198	$	2,151
Sales of rental equipment	201		7		208
Sales of new equipment	77		7		84
Contractor supplies sales	79		6		85
Service and other revenues	79		4		83
Total revenue	2,389		222		2,611
Depreciation and amortization expense	448		32		480
Segment operating income	377		57		434
Capital expenditures	739		71		810
Total assets	$	3,776	$	367	$	4,143
2010
Equipment rentals	$	1,693	$	141	$	1,834
Sales of rental equipment	134		10		144
Sales of new equipment	72		6		78
Contractor supplies sales	89		6		95
Service and other revenues	83		3		86
Total revenue	2,071		166		2,237
Depreciation and amortization expense	426		23		449
Segment operating income	199		32		231
Capital expenditures	344		30		374
Total assets	$	3,458	$	235	$	3,693
2009
Equipment rentals	$	1,700	$	130	$	1,830
Sales of rental equipment	218		11		229
Sales of new equipment	81		5		86
Contractor supplies sales	114		7		121
Service and other revenues	89		3		92
Total revenue	2,202		156		2,358
Depreciation and amortization expense	449		25		474
Segment operating income	123		22		145
Capital expenditures	$	295	$	16	$	311

The following is a reconciliation of segment operating income to total Company operating income:

	Year Ended December 31,
	2011			2010			2009
Total segment operating income	$	434		$	231		$	145
Unallocated RSC merger related costs	(19		)	—			—
Unallocated restructuring charge	(19		)	(34		)	(31		)
Operating income	$	396		$	197		$	114

We operate in the United States and Canada. The following table presents geographic area information for the years ended December 31, 2011, 2010 and 2009, except for balance sheet information, which is presented as of December 31, 2011 and 2010. All the foreign assets as of December 31, 2011 and 2010 are Canadian, and the foreign information in the following table primarily relates to Canada.

	Domestic		Foreign		Total
2011
Equipment rentals	$	1,779	$	372	$	2,151
Sales of rental equipment	180		28		208
Sales of new equipment	59		25		84
Contractor supplies sales	62		23		85
Service and other revenues	64		19		83
Total revenue	2,144		467		2,611
Rental equipment, net	2,181		436		2,617
Property and equipment, net	338		28		366
Goodwill and other intangibles, net	$	232	$	140	$	372
2010
Equipment rentals	$	1,569	$	265	$	1,834
Sales of rental equipment	121		23		144
Sales of new equipment	59		19		78
Contractor supplies sales	71		24		95
Service and other revenues	68		18		86
Total revenue	1,888		349		2,237
Rental equipment, net	1,985		295		2,280
Property and equipment, net	365		28		393
Goodwill and other intangibles, net	$	182	$	45	$	227
2009
Equipment rentals	$	1,602	$	228	$	1,830
Sales of rental equipment	200		29		229
Sales of new equipment	70		16		86
Contractor supplies sales	96		25		121
Service and other revenues	78		14		92
Total revenue	$	2,046	$	312	$	2,358

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Discontinued Operation

12 Months Ended

Dec. 31, 2011

Discontinued Operation Disclosure [Abstract]

Discontinued Operation

Discontinued Operation

In December 2006, we entered into a definitive agreement to sell our traffic control business to HTS Acquisition, Inc. (“HTS”), an entity formed by affiliates of private equity investors Wynnchurch Capital Partners and Oak Hill Special Opportunities Fund, L.P. The transaction closed in February 2007 and we received net proceeds of $66. The results of operations of our traffic control business are reported within discontinued operation in the consolidated statements of income.

As part of the sale, we retained financial responsibility for deductibles and self-insured retentions associated with casualty insurance programs (workers’ compensation, automobile liability and general liability) covering the traffic control business with respect to claims arising from loss occurrences prior to closing. These liabilities were not assumed by the purchaser. We are not liable for these types of liabilities for the traffic control business to the extent they arise subsequent to closing. The aggregate amount of these retained insurance liabilities as of December 31, 2011 and 2010 was $8 and $12, respectively, and is included in accrued expenses and other liabilities and other long-term liabilities in the consolidated balance sheets. The 2010 and 2009 after-tax losses of $4 and $2, respectively, which are reflected in loss from discontinued operation, net of taxes in the accompanying consolidated statements of income, relate to changes in estimates for these retained insurance liabilities. 2011 results include a loss of less than $1 related to these retained liabilities.

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Commitments and Contingencies

12 Months Ended

Dec. 31, 2011

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

Derivative Litigation and Stockholder Class Action Lawsuits

As previously reported, following our August 2004 announcement that the SEC had commenced a non-public, fact-finding inquiry concerning the Company, an alleged stockholder filed an action in Connecticut State Superior Court, Judicial District of Norwalk/Stamford at Stamford, purportedly suing derivatively on the Company’s behalf. The action, entitled Gregory Riegel v. John N. Milne, et al., named as defendants certain of our current and/or former directors and/or officers, and named the Company as a nominal defendant. The complaint asserted, among other things, that the defendants breached their fiduciary duties to the Company by causing or allowing the Company to disseminate misleading and inaccurate information to stockholders and the market and by failing to establish and maintain adequate accounting controls, thus exposing the Company to damages. The complaint seeks unspecified compensatory damages, costs and expenses against the defendants. The parties to the Riegel action agreed that the proceedings in this action would be stayed pending the resolution of the motions to dismiss in certain previously-filed purported stockholder class actions. As previously reported, those purported stockholder class actions were commenced in 2004 and were dismissed with prejudice, pursuant to a stipulation of settlement in May 2009. We previously announced on September 8, 2008 that we had also reached a final settlement with the SEC of its inquiry.

Subsequent to our November 14, 2007 announcement that affiliates of Cerberus Capital Management, L.P. had notified us that they were not prepared to proceed with the purchase of the Company on the terms set forth in the merger agreement, three putative class action lawsuits were filed against the Company in the United States District Court for the District of Connecticut. The District Court subsequently consolidated the three actions under the caption First New York Securities, L.L.C., et al. v. United Rentals, Inc., et al. Lead plaintiffs, by their second consolidated amended complaint, purported to sue on behalf of a proposed class of persons who purchased or otherwise acquired our securities between August 30, 2007 and November 14, 2007 and named as defendants the Company, our chief executive officer and our former general counsel. Plaintiffs asserted claims under Section 10(b) of the Exchange Act and Rule 10b-5 thereunder, and Section 20(a) of the Exchange Act, based on alleged false or misleading statements and/or material omissions relating to the contemplated merger purportedly contained in certain of the Company's filings with the SEC and other public statements. On August 24, 2009, the District Court granted defendants' motion to dismiss the second consolidated amended complaint with prejudice and subsequently entered judgment in favor of defendants. On August 30, 2010, the United States Court of Appeals for the Second Circuit affirmed the judgment of dismissal entered by the District Court. On February 24, 2011, the Court of Appeals denied plaintiffs petition for rehearing en banc or panel rehearing. Plaintiffs did not file a petition for a writ of certiorari before the United States Supreme Court, and the dismissal of this action is now final.

On December 28, 2011, a complaint was filed in Arizona Superior Court, entitled Israni v. RSC Holdings Inc., CV2011-020579, on behalf of a putative class of RSC's stockholders against RSC, each member of the RSC board, certain of RSC's officers, and the Company challenging our proposed merger with RSC.  The complaint alleges, among other things, that the directors and officers of RSC breached their fiduciary duties by allegedly agreeing to sell RSC at an unfair and inadequate price and by allegedly failing to take steps to maximize the sale price of RSC.  The complaint also alleges that RSC and the Company aided and abetted in RSC's directors' and officers' breach of their fiduciary duties.  The complaint seeks injunctive relief and other equitable relief as well as money damages.  The Company believes that this suit lacks merit and intends to vigorously defend against these claims.

We are also subject to a number of claims and proceedings that generally arise in the ordinary conduct of our business. These matters include, but are not limited to, general liability claims (including personal injury, product liability, and property and auto claims), indemnification and guarantee obligations, employee injuries and employment-related claims, self-insurance obligations and contract and real estate matters. Based on advice of counsel and available information, including current status or stage of proceeding, and taking into account accruals for matters where we have established them, we currently believe that any liabilities ultimately resulting from these ordinary course claims and proceedings will not, individually or in the aggregate, have a material adverse effect on our consolidated financial position, results of operations or cash flows.

Indemnification

The Company indemnifies its officers and directors pursuant to indemnification agreements and may in addition indemnify these individuals as permitted by Delaware law. Accordingly, in connection with the previously reported purported class action lawsuits, the purported stockholder derivative litigation, the SEC inquiry, the U.S. Attorney’s Office inquiry and related review of the Special Committee, the Company has advanced counsel fees and other reasonable fees and expenses, actually and necessarily incurred by the present and former directors and officers who are involved, in an aggregate amount of approximately $19, most of which was advanced between 2005 and 2009. Each of the aforementioned individuals is required to execute an undertaking to repay such expenses if he or she is finally found not to be entitled to indemnification. The Company does not currently expect to incur material indemnification expense in connection with these matters during 2012.

Operating Leases

We lease rental equipment, real estate and certain office equipment under operating leases. Certain real estate leases require us to pay maintenance, insurance, taxes and certain other expenses in addition to the stated rental payments. Future minimum lease payments, including the maximum potential guarantee amounts associated with some of our non-rental equipment operating leases for which we guarantee that the value of the equipment at the end of the lease term will not be less than a specified projected residual value, by year and in the aggregate, for non-cancelable operating leases with initial or remaining terms of one year or more are as follows at December 31, 2011:

	Real Estate Leases		Non-Rental Equipment Leases
2012	$	76	$	37
2013	64		17
2014	53		12
2015	42		10
2016	31		6
Thereafter	73		10
Total	$	339	$	92

Rent expense under all non-cancelable real estate, rental equipment and other equipment operating leases totaled $122, $129 and $136 for the years ended December 31, 2011, 2010 and 2009, respectively. Our real estate leases provide for varying terms, including customary escalation clauses.

Employee Benefit Plans

We currently sponsor two defined contribution 401(k) retirement plans, which are subject to the provisions of the Employee Retirement Income Security Act of 1974. We also sponsor a deferred profit sharing plan for the benefit of the full-time employees of our Canadian subsidiaries. Under these plans, we match a percentage of the participants’ contributions up to a specified amount. Company contributions to the plans were $6, $2 and $2 in the years ended December 31, 2011, 2010 and 2009, respectively. The increase in company contributions in 2011 from 2010 was primarily due to an increase in the maximum amount of the Company's matching contribution, which reflected a decision made in response to improvements in the economic environment.

Environmental Matters

The Company and its operations are subject to various laws and related regulations governing environmental matters. Under such laws, an owner or lessee of real estate may be liable for the costs of removal or remediation of certain hazardous or toxic substances located on or in, or emanating from, such property, as well as investigation of property damage. We incur ongoing expenses associated with the removal of underground storage tanks and the performance of appropriate remediation at certain of our locations.

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Fair Value Measurements

12 Months Ended

Dec. 31, 2011

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value Measurements

We account for certain assets and liabilities at fair value, and categorize each of our fair value measurements in one of the following three levels based on the lowest level input that is significant to the fair value measurement in its entirety:

Level 1—Inputs to the valuation methodology are unadjusted quoted prices in active markets for identical assets or liabilities.

Level 2—Observable inputs other than quoted prices in active markets for identical assets and liabilities include:

a) quoted prices for similar assets or liabilities in active markets;

b) quoted prices for identical or similar assets or liabilities in inactive markets;

c) inputs other than quoted prices that are observable for the asset or liability;

d) inputs that are derived principally from or corroborated by observable market data by correlation or other means.

If the asset or liability has a specified (contractual) term, the Level 2 input must be observable for substantially the full term of the asset or liability.

Level 3—Inputs to the valuation methodology are unobservable (i.e., supported by little or no market activity) and significant to the fair value measure.

Assets and Liabilities Measured at Fair Value

As of December 31, 2011 and 2010, our only assets and liabilities measured at fair value were our fixed price diesel swaps contracts, which are Level 2 derivatives measured at fair value on a recurring basis. As of December 31, 2011, $1 was reflected in accrued expenses and other liabilities in our consolidated balance sheets, reflecting the fair values of the fixed price diesel swaps contracts. As of December 31, 2010, less than $1 was reflected in prepaid expenses and other assets in our consolidated balance sheets reflecting the fair value of the fixed price diesel swaps contracts. As discussed in note 10 to the consolidated financial statements, we entered into the fixed price swap contracts on diesel purchases to mitigate the price risk associated with forecasted purchases of diesel. Fair value is determined based on observable market data. As of December 31, 2011, we have fixed price swap contracts that mature throughout 2012 covering 4.2 gallons of diesel which we will buy at the average contract price of $3.98 per gallon, while the average forward price for the hedged gallons was $3.79 per gallon as of December 31, 2011.

Fair Value of Financial Instruments

The carrying amounts reported in our consolidated balance sheets for accounts receivable, accounts payable and accrued expenses and other liabilities approximate fair value due to the immediate to short-term maturity of these financial instruments. The fair values of our senior secured asset-based revolving credit facility (“ABL facility”), accounts receivable securitization facility and 1 ⁷/8 percent Convertible Senior Subordinated Notes approximate their book values as of December 31, 2011 and 2010. The estimated fair values of our other financial instruments at December 31, 2011 and 2010 have been calculated based upon available market information or an appropriate valuation technique, and are as follows:

	December 31, 2011				December 31, 2010
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Subordinated convertible debentures	$	55	$	49	$	124	$	92
Senior and senior subordinated notes	1,861		1,933		1,854		2,020
Capital leases (1)	39		33		25		20

(1)    The fair value of capital leases is determined using the expected present value of the leases.

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Schedule II Valuation (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2009
Allowance for Doubtful Accounts [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	$ 29		$ 25		$ 23
Charged to Costs and Expenses	21		21		16
Deductions	17	[1]	17	[1]	14	[1]
Balance at End of Period	33		29		25
Reserve for Obsolescence and Shrinkage [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	1		1		1
Charged to Costs and Expenses	5		6		7
Deductions	4	[2]	6	[2]	7	[2]
Balance at End of Period	2		1		1
Self-Insurance Reserve [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	93		83		86
Charged to Costs and Expenses	65		94		99
Deductions	75	[3]	84	[3]	102	[3]
Balance at End of Period	$ 83		$ 93		$ 83

[1] Represents write-offs of accounts, net of recoveries.

[2] Represents write-offs.

[3] Represents payments.

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Property and Equipment

12 Months Ended

Dec. 31, 2011

Property and Equipment Disclosure [Abstract]

Property and Equipment

Property and Equipment

Property and equipment consist of the following:

	December 31,
	2011			2010
Land	$	109		$	112
Buildings	223			227
Non-rental vehicles	15			20
Machinery and equipment	39			39
Furniture and fixtures	123			109
Leasehold improvements	158			166
	667			673
Less accumulated depreciation and amortization	(301		)	(280		)
Property and equipment, net	$	366		$	393

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Derivatives (Effect of derivatives on consolidated statements of income) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010
Swap [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of income recognized on derivative	$ 4		$ 13
Gain (Loss) on Hedged Item	(23)		(11)
Swap [Member] | Designated as Hedging Instrument [Member] | Cost Of Equipment Rentals Excluding Depreciation [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Net	2	[1],[2]
Gain (Loss) on Hedged Item	(23)	[1],[2]	(11)	[1],[2]
Foreign Exchange Forward [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Hedged Item	(4)		(13)
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Other Income (Expense) [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of income recognized on derivative	4		13
Gain (Loss) on Hedged Item	$ (4)		$ (13)

[1] Amounts recognized on derivative represent the effective portion of the fixed price diesel swaps.

[2] Amounts recognized on hedged item reflect the use of 5.9 million and 3.6 million gallons of diesel covered by the fixed price swaps during the years ended December 31, 2011 and 2010, respectively.

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Restructuring And Asset Impairment Charges

12 Months Ended

Dec. 31, 2011

Restructuring and Related Activities [Abstract]

Restructuring and Asset Impairment Charges Disclosure

Restructuring and Asset Impairment Charges

Over the past several years we have been focused on reducing our operating costs. In connection with this strategy, and in recognition of the challenging economic environment, we reduced our employee headcount from approximately 10,900 at December 31, 2007 to approximately 7,500 at December 31, 2011. Additionally, we reduced our branch network from 697 at December 31, 2007 to 529 at December 31, 2011. The restructuring charges for the years ended December 31, 2011, 2010 and 2009 include severance costs associated with our headcount reductions, as well as branch closure charges which principally relate to continuing lease obligations at vacant facilities.

The table below provides certain information concerning our restructuring charges:

Description	Beginning Reserve Balance		Charged to Costs and Expenses(1)		Payments and Other			Ending Reserve Balance
Year ended December 31, 2009:
Branch closure charges	$	11	$	24	$	(15	)	$	20
Severance costs	2		7		(8		)	1
Total	$	13	$	31	$	(23	)	$	21
Year ended December 31, 2010:
Branch closure charges	$	20	$	28	$	(22	)	$	26
Severance costs	1		6		(5		)	2
Total	$	21	$	34	$	(27	)	$	28
Year ended December 31, 2011:
Branch closure charges	$	26	$	17	$	(16	)	$	27
Severance costs	2		2		(3		)	1
Total	$	28	$	19	$	(19	)	$	28

_________________

(1) Reflected in our consolidated statements of income as “Restructuring charge.”

We have incurred total restructuring charges between January 1, 2008 and December 31, 2011 of $104, comprised of $83 of branch closure charges and $21 of severance costs. We believe that the restructuring activity is complete as of December 31, 2011.

In addition to the restructuring charges discussed above, during the years ended December 31, 2011, 2010 and 2009, we recorded asset impairment charges of $4, $9 and $12, respectively, in our general rentals segment. The 2011 and 2010 impairment charges are primarily reflected in non-rental depreciation and amortization in the accompanying consolidated statements of income and principally relate to write-offs of leasehold improvements and other fixed assets in connection with the consolidation of our branch network discussed above. The 2009 impairment charge includes $9 reflected in depreciation of rental equipment in the accompanying consolidated statements of income related to certain rental equipment, as well as $3 primarily related to leasehold improvement write-offs which is reflected in non-rental depreciation and amortization in the accompanying consolidated statements of income.

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Rental Equipment

12 Months Ended

Dec. 31, 2011

Rental Equipment Disclosure [Abstract]

Rental Equipment

Rental Equipment

Rental equipment consists of the following:

	December 31,
	2011			2010
Rental equipment	$	4,209		$	3,787
Less accumulated depreciation	(1,592		)	(1,507		)
Rental equipment, net	$	2,617		$	2,280

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Goodwill and Other Intangible Assets

12 Months Ended

Dec. 31, 2011

Goodwill and Other Intangible Assets [Abstract]

Goodwill and Other Intangible Assets Disclosure

Goodwill and Other Intangible Assets

We have made acquisitions over the years, principally during the period from 1997 to 2000, which included the recognition of a significant amount of goodwill. Goodwill is tested for impairment annually or more frequently if an event or circumstance indicates that an impairment loss may have been incurred.

In September 2011, the FASB issued guidance that simplified how entities test for goodwill impairment. This guidance permits entities to first assess qualitative factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount as a basis for determining whether it is necessary to perform a two-step goodwill impairment test. We early adopted this guidance for our annual goodwill impairment test that was conducted as of October 1, 2011. In performing the 2011 goodwill impairment test, we assessed the relevant qualitative factors and concluded that it is more likely than not that the fair values of our reporting units (our regions) are greater than their carrying amounts. After reaching this conclusion, no further testing was performed. The qualitative factors we considered included, but were not limited to, general economic conditions, our outlook for construction activity, our recent and forecasted financial performance and the price of the Company's common stock.

The following table presents the changes in the carrying amount of goodwill for each of the three years in the period ended December 31, 2011:

	General rentals			Trench safety, power and HVAC			Total
Balance at January 1, 2009 (1)	$	97		$	93		$	190
Goodwill related to acquisitions	1			—			1
Foreign currency translation and other adjustments	5			—			5
Balance at December 31, 2009 (1)	103			93			196
Foreign currency translation and other adjustments	2			—			2
Balance at December 31, 2010 (1)	105			93			198
Goodwill related to acquisitions	65			31			96
Foreign currency translation and other adjustments	(3		)	(2		)	(5		)
Balance at December 31, 2011 (1)	$	167		$	122		$	289

_________________

(1) The total carrying amount of goodwill for all periods in the table above is reflected net of $1,557 of accumulated impairment charges, which were primarily recorded in our general rentals segment.

Other intangible assets primarily consist of customer relationships and non-compete agreements. Intangible assets were comprised of the following at December 31, 2011 and 2010:

	As of December 31, 2011
	Weighted-Average Remaining Amortization Period	Gross Carrying Amount		Accumulated Amortization		Net Amount
Non-compete agreements	46 months	$	30	$	25	$	5
Customer relationships	9 years	$	121	$	43	$	78

	As of December 31, 2010
	Weighted-Average Remaining Amortization Period	Gross Carrying Amount		Accumulated Amortization		Net Amount
Non-compete agreements	27 months	$	25	$	24	$	1
Customer relationships	5 years	$	64	$	36	$	28

Our other intangibles assets, net at December 31, 2011 include customer relationships and non-compete agreements of $56 and $4, respectively, associated with the 2011 acquisitions discussed above (see note 1, "Organization, Description of Business and Consolidation"). No residual value has been assigned to these intangible assets. The weighted-average initial amortization periods for the acquired customer relationships and non-compete agreements are 11.6 years and 55 months, respectively.

Amortization expense for other intangible assets was $8, $7 and $8 for the years ended December 31, 2011, 2010 and 2009, respectively.

As of December 31, 2011, estimated amortization expense for other intangible assets for each of the next five years and thereafter is as follows:

2012	$	12
2013	12
2014	10
2015	9
2016	8
Thereafter	32
Total	$	83

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Debt (Short term debt) (Details) (USD $) In Millions, unless otherwise specified					12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2011 Accounts Receivable Securitization Facility [Member] days	Dec. 31, 2011 Original Terms [Member] Accounts Receivable Securitization Facility [Member]	Dec. 31, 2011 Amended Terms [Member] Accounts Receivable Securitization Facility [Member]	Dec. 31, 2011 Subsidiaries [Member] Accounts Receivable Securitization Facility [Member]		Dec. 31, 2010 Subsidiaries [Member] Accounts Receivable Securitization Facility [Member]		Dec. 31, 2011 Parent Company [Member] Convertible Subordinated Notes Four Percent [Member]	Dec. 31, 2010 Parent Company [Member] Convertible Subordinated Notes Four Percent [Member]
Short-term Debt [Line Items]
Secured Debt								$ 255	[1]	$ 221	[1]
Convertible Senior Notes												129	124
Long Term Debt And Capital Lease Obligations Current And Noncurrent	2,987	[2]	2,805	[2]
Short-term Debt, Average Outstanding Amount					230
Debt, Weighted Average Interest Rate					1.40%
Short-term Debt, Maximum Month-end Outstanding Amount					276
Short Term Debt Extension Period					364
Short Term Debt Maximum Borrowing Capacity						325	300
Debt Instrument Collateral Amount					$ 372

[1] $929 and $7 were available under our ABL facility and accounts receivable securitization facility, respectively, at December 31, 2011. The ABL facility availability is reflected net of $50 of letters of credit. At December 31, 2011, the interest rates applicable to our ABL facility and accounts receivable securitization facility were 2.4 percent and 0.9 percent, respectively.

[2] In August 1998, a subsidiary trust of Holdings (the “Trust”) issued and sold $300 of 6 1/2 percent Convertible Quarterly Income Preferred Securities (“QUIPS”) in a private offering. The Trust used the proceeds from the offering to purchase 6 1/2 percent subordinated convertible debentures due 2028 (the “Debentures”), which resulted in Holdings receiving all of the net proceeds of the offering. The QUIPS are non-voting securities, carry a liquidation value of $50 (fifty dollars) per security and are convertible into Holdings’ common stock. Total long-term debt at December 31, 2011 and 2010 excludes $55 and $124 of these Debentures, respectively, which are separately classified in our consolidated balance sheets and referred to as “subordinated convertible debentures.” The subordinated convertible debentures reflect the obligation to our subsidiary that has issued the QUIPS. This subsidiary is not consolidated in our financial statements because we are not the primary beneficiary of the Trust. See note 13 (“Subordinated Convertible Debentures”) for additional detail. S

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Debt (Extinguishment of debt) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
	Dec. 31, 2010	Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2009
Extinguishment of Debt [Line Items]
Repurchase price		$ 5		$ 1,285
Principal	814	5		1,273
Loss	(25)	(3)		(28)	[1]	7
Aggregate Costs Of Debt Retirement				16
Write off of Deferred Debt Issuance Cost				(12)
Write Off Previously Terminated Derivative Transaction	4			4
7 3/4 percent Senior Subordinated Notes
Extinguishment of Debt [Line Items]
Repurchase price		0	[2]	490	[2]
Principal		0	[2]	484	[2]
Loss		0	[1]	(14)	[1]
7 percent Senior Subordinated Notes
Extinguishment of Debt [Line Items]
Repurchase price		0	[2]	267	[2]
Principal		0	[2]	261	[2]
Loss		0	[1]	(8)	[1]
6 1/2 percent Senior Notes
Extinguishment of Debt [Line Items]
Repurchase price		0	[2]	435	[2]
Principal		0	[2]	435	[2]
Loss		0	[1]	(4)	[1]
1 7/8 percent Convertible Senior Subordinated Notes
Extinguishment of Debt [Line Items]
Repurchase price		0		93
Principal		0		93
Loss		0	[1]	(2)	[1]
Convertible subordinated notes - four percent
Extinguishment of Debt [Line Items]
Repurchase price		5	[3]	0	[3]
Principal		5	[3]	0	[3]
Loss				0	[1]
Repayments of Convertible Debt		12
Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt		7
ABL Facility [Member]
Extinguishment of Debt [Line Items]
Write off of Deferred Debt Issuance Cost		(3)
Maximum [Member]
Extinguishment of Debt [Line Items]
Aggregate Costs Of Debt Retirement		1
Maximum [Member] | Convertible subordinated notes - four percent
Extinguishment of Debt [Line Items]
Loss		$ 1

[1] The amount of the loss is calculated as the difference between the net carrying amount of the related security and the repurchase price. The net carrying amounts of the securities are less than the principal amounts due to capitalized debt issuance costs and any original issue discount. Aggregate costs of less than $1 and $16 were written off in the years ended December 31, 2011 and 2010, respectively, in connection with the repurchases/redemptions. The $16 of aggregate costs written off in the year ended December 31, 2010 was comprised of $12 of write-offs of debt issuance costs and a $4 write-off of a previously terminated derivative transaction. The losses are reflected in interest expense, net in our consolidated statements of income.

[2] Prior to December 31, 2010, we repurchased and retired the entire principal amounts of these debt securities, which are not reflected in our consolidated balance sheets as of December 31, 2011 and 2010.

[3] As discussed above, based on the price of our common stock during 2011, holders of the 4 percent Convertible Senior Notes had the right to convert the notes during each of the quarters in 2011. We paid a total of $12 to settle the $5 principal amount of the 4 percent Convertible Senior Notes that were settled in 2011. The $5 repurchase price represents the repurchase price for the debt component of the settled securities. In connection with the settlement, as discussed above, additional paid-in capital was reduced by $7, reflecting the excess of the cash transferred upon settlement over the $5 principal amount of the converted notes.

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Debt (Schedule of long term debt) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified																																					12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2011 Accounts Receivable Securitization Facility [Member]	Dec. 31, 2011 $1.80 billion ABL Facility	Dec. 31, 2011 10 7/8 percent Senior Notes	Dec. 31, 2011 9 1/4 percent Senior Notes	Dec. 31, 2011 8 3/8 percent Senior Subordinated Notes	Dec. 31, 2011 1 7/8 percent Convertible Senior Subordinated Notes	Dec. 31, 2011 4 percent Convertible Senior Notes	Nov. 30, 2009 4 percent Convertible Senior Notes	Dec. 31, 2011 Subsidiaries [Member]	Dec. 31, 2010 Subsidiaries [Member]	Dec. 31, 2011 Subsidiaries [Member] Accounts Receivable Securitization Facility [Member]		Dec. 31, 2010 Subsidiaries [Member] Accounts Receivable Securitization Facility [Member]		Dec. 31, 2011 Subsidiaries [Member] $1.80 billion ABL Facility		Dec. 31, 2010 Subsidiaries [Member] $1.80 billion ABL Facility		Dec. 31, 2011 Subsidiaries [Member] 10 7/8 percent Senior Notes	Dec. 31, 2010 Subsidiaries [Member] 10 7/8 percent Senior Notes	Dec. 31, 2011 Subsidiaries [Member] 9 1/4 percent Senior Notes	Dec. 31, 2010 Subsidiaries [Member] 9 1/4 percent Senior Notes	Dec. 31, 2011 Subsidiaries [Member] 8 3/8 percent Senior Subordinated Notes	Dec. 31, 2010 Subsidiaries [Member] 8 3/8 percent Senior Subordinated Notes	Dec. 31, 2011 Subsidiaries [Member] 1 7/8 percent Convertible Senior Subordinated Notes	Dec. 31, 2010 Subsidiaries [Member] 1 7/8 percent Convertible Senior Subordinated Notes	Dec. 31, 2011 Subsidiaries [Member] Capital leases	Dec. 31, 2010 Subsidiaries [Member] Capital leases	Dec. 31, 2011 Parent Company [Member]	Dec. 31, 2010 Parent Company [Member]	Dec. 31, 2011 Parent Company [Member] 4 percent Convertible Senior Notes	Dec. 31, 2010 Parent Company [Member] 4 percent Convertible Senior Notes	Dec. 31, 2011 QUIPS [Member]
Debt Instrument [Line Items]
Secured Debt															$ 255	[1]	$ 221	[1]	$ 810	[1]	$ 683	[1]
Senior Notes																							489	488	493	492
Senior Subordinated Notes																											750	750
Convertible Senior Subordinated Notes																													22	22
Capital leases																															39	25
Total URNA and subsidiaries debt													2,858	2,681
Convertible Senior Notes																																			129	124
Total debt	2,987	[2]	2,805	[2]
Less short-term portion	(395)		(229)																														(129)	0
Total long-term debt	2,592		2,576																														0	124
Debt Instrument, Face Amount							500	500	750	144	168	173							1,800
Debt Instrument, Unused Borrowing Capacity, Amount					7	929
Letters of Credit Outstanding, Amount						50
Debt Instrument, Interest Rate at Period End					0.90%	2.40%
Proceeds from Issuance of Private Placement																																					300
Preferred Stock, Liquidation Preference Per Share																																					$ 50
Convertible Subordinated Debt, Noncurrent	$ 55		$ 124																														$ 55	$ 124

[1] $929 and $7 were available under our ABL facility and accounts receivable securitization facility, respectively, at December 31, 2011. The ABL facility availability is reflected net of $50 of letters of credit. At December 31, 2011, the interest rates applicable to our ABL facility and accounts receivable securitization facility were 2.4 percent and 0.9 percent, respectively.

[2] In August 1998, a subsidiary trust of Holdings (the “Trust”) issued and sold $300 of 6 1/2 percent Convertible Quarterly Income Preferred Securities (“QUIPS”) in a private offering. The Trust used the proceeds from the offering to purchase 6 1/2 percent subordinated convertible debentures due 2028 (the “Debentures”), which resulted in Holdings receiving all of the net proceeds of the offering. The QUIPS are non-voting securities, carry a liquidation value of $50 (fifty dollars) per security and are convertible into Holdings’ common stock. Total long-term debt at December 31, 2011 and 2010 excludes $55 and $124 of these Debentures, respectively, which are separately classified in our consolidated balance sheets and referred to as “subordinated convertible debentures.” The subordinated convertible debentures reflect the obligation to our subsidiary that has issued the QUIPS. This subsidiary is not consolidated in our financial statements because we are not the primary beneficiary of the Trust. See note 13 (“Subordinated Convertible Debentures”) for additional detail. S

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Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2011

Goodwill and Other Intangible Assets [Abstract]

Changes in carrying amount of goodwill

The following table presents the changes in the carrying amount of goodwill for each of the three years in the period ended December 31, 2011:

	General rentals			Trench safety, power and HVAC			Total
Balance at January 1, 2009 (1)	$	97		$	93		$	190
Goodwill related to acquisitions	1			—			1
Foreign currency translation and other adjustments	5			—			5
Balance at December 31, 2009 (1)	103			93			196
Foreign currency translation and other adjustments	2			—			2
Balance at December 31, 2010 (1)	105			93			198
Goodwill related to acquisitions	65			31			96
Foreign currency translation and other adjustments	(3		)	(2		)	(5		)
Balance at December 31, 2011 (1)	$	167		$	122		$	289

_________________

(1) The total carrying amount of goodwill for all periods in the table above is reflected net of $1,557 of accumulated impairment charges, which were primarily recorded in our general rentals segment.

Components of intangible assets

Other intangible assets primarily consist of customer relationships and non-compete agreements. Intangible assets were comprised of the following at December 31, 2011 and 2010:

	As of December 31, 2011
	Weighted-Average Remaining Amortization Period	Gross Carrying Amount		Accumulated Amortization		Net Amount
Non-compete agreements	46 months	$	30	$	25	$	5
Customer relationships	9 years	$	121	$	43	$	78

	As of December 31, 2010
	Weighted-Average Remaining Amortization Period	Gross Carrying Amount		Accumulated Amortization		Net Amount
Non-compete agreements	27 months	$	25	$	24	$	1
Customer relationships	5 years	$	64	$	36	$	28

Estimated future amortization expense of intangible assets

As of December 31, 2011, estimated amortization expense for other intangible assets for each of the next five years and thereafter is as follows:

2012	$	12
2013	12
2014	10
2015	9
2016	8
Thereafter	32
Total	$	83

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Segment Information (Geographic area information) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended										12 Months Ended
	Dec. 31, 2011		Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010		Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Revenues from External Customers and Long-Lived Assets [Line Items]
Equipment rentals											$ 2,151	$ 1,834	$ 1,830
Sales of rental equipment											208	144	229
Sales of new equipment											84	78	86
Contractor supplies sales											85	95	121
Service and other revenues											83	86	92
Total revenues	746	[1]	713	629	523	597	[2]	605	557	478	2,611	2,237	2,358
Rental equipment, net	2,617					2,280					2,617	2,280
Property and equipment, net	366					393					366	393
Goodwill and other intangible assets, net	372					227					372	227
Domestic
Revenues from External Customers and Long-Lived Assets [Line Items]
Equipment rentals											1,779	1,569	1,602
Sales of rental equipment											180	121	200
Sales of new equipment											59	59	70
Contractor supplies sales											62	71	96
Service and other revenues											64	68	78
Total revenues											2,144	1,888	2,046
Rental equipment, net	2,181					1,985					2,181	1,985
Property and equipment, net	338					365					338	365
Goodwill and other intangible assets, net	232					182					232	182
Foreign
Revenues from External Customers and Long-Lived Assets [Line Items]
Equipment rentals											372	265	228
Sales of rental equipment											28	23	29
Sales of new equipment											25	19	16
Contractor supplies sales											23	24	25
Service and other revenues											19	18	14
Total revenues											467	349	312
Rental equipment, net	436					295					436	295
Property and equipment, net	28					28					28	28
Goodwill and other intangible assets, net	$ 140					$ 45					$ 140	$ 45

[1] During the fourth quarter of 2011, we recognized $19 of charges associated with the proposed RSC merger. Additionally, during the quarter, we closed 18 branches and recognized restructuring charges of $14. During the quarter, we also recognized asset impairment charges of $3 which are primarily reflected in non-rental depreciation and amortization and principally relate to write-offs of leasehold improvements and other fixed assets in connection with the consolidation of our branch network. In the quarter, we also purchased an aggregate of $32 of QUIPS for $32. In connection with this transaction, we retired $32 principal amount of our subordinated convertible debentures and recognized a loss of $1 in interest expense-subordinated convertible debentures, net, inclusive of the write-off of capitalized debt issuance costs. Interest expense, net for the fourth quarter of 2011 also includes a loss of $3 reflecting write-offs of debt issuance costs associated with the amendment of our ABL facility discussed above. During the quarter, we also recognized a benefit of $8 in cost of equipment rentals, excluding depreciation related to our provision for self-insurance reserves.

[2] During the fourth quarter of 2010, we repurchased or redeemed and subsequently retired an aggregate of $814 principal amount of our outstanding 7 3/4 percent Senior Subordinated Notes due 2013, 7 percent Senior Subordinated Notes due 2014 and 1 7/8 percent Convertible Senior Subordinated Notes due 2023. Interest expense, net for the fourth quarter of 2010 includes a charge of $25, representing the difference between the net carrying amount of these securities and the total purchase price of $827. The $25 charge includes a $4 write-off of a previously terminated derivative transaction. During the quarter, we also recognized restructuring charges of $15 related to the closure of 22 branches and reductions in headcount of approximately 100, and recognized asset impairment charges of $6. These asset impairment charges are primarily reflected in non-rental depreciation and amortization and principally relate to write-offs of leasehold improvement and other fixed assets in connection with the consolidation of our branch network. Additionally, the income tax provision (benefit) for the quarter includes a benefit of $7 related to a correction of a deferred tax asset recognized in prior periods. During the quarter, we also recognized a charge of $24 related to our provision for self-insurance reserves, comprised of $18 recorded in cost of equipment rentals, excluding depreciation, and $6 recorded in discontinued operation. The charge reflected recent adverse experience in our portfolio of automobile and general liability claims, as well as worker’s compensation claims. The discontinued operation component of the charge is reflected net of taxes in our consolidated statements of income.

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Subordinated Convertible Debentures

12 Months Ended

Dec. 31, 2011

Subordinated Convertible Debentures Disclosure [Abstract]

Subordinated Convertible Debentures

Subordinated Convertible Debentures

The subordinated convertible debentures included in our consolidated balance sheets reflect the obligation to the Trust. This subsidiary is not consolidated in our financial statements because we are not the primary beneficiary of the Trust.

In August 1998, the Trust issued and sold $300 of QUIPS in a private offering. The Trust used the proceeds from the offering to purchase the Debentures, which resulted in Holdings receiving all of the net proceeds of the offering. The QUIPS are non-voting securities, carry a liquidation value of $50 (fifty dollars) per security and are convertible into Holdings’ common stock. The initial convertible rate was 1.146 shares of common stock per preferred security (equivalent to an initial conversion price of $43.63 per share). In July 2008, following the completion of a modified “Dutch auction” tender offer, the conversion price of the QUIPS was adjusted to $41.02 and, accordingly, each $50 (fifty dollars) in liquidation preference is now convertible into 1.219 shares of common stock. During the years ended December 31, 2011 and 2009, we purchased an aggregate of $69 and $22, respectively, of QUIPS for $68 and $9, respectively. In connection with these transactions, in 2011 and 2009, we retired $69 and $22, respectively, principal amount of our subordinated convertible debentures and recognized a loss of $2 and a gain of $13, respectively, inclusive of the write-off of capitalized debt issuance costs. These losses/gains are reflected in interest expense-subordinated convertible debentures, net, in our consolidated statements of income. As of December 31, 2011 and 2010, the aggregate amount of Debentures outstanding was $55 and $124, respectively.

Holders of the QUIPS are entitled to preferential cumulative cash distributions from the Trust at an annual rate of 6 ¹/2 percent of the liquidation value, accruing from the original issue date and payable quarterly in arrears beginning February 1, 1999. The distribution rate and dates correspond to the interest rate and payment dates on the Debentures. Holdings may defer quarterly interest payments on the Debentures for up to twenty consecutive quarters, but not beyond the maturity date of the Debentures. If Holdings’ quarterly interest payments on the Debentures are deferred, so are the corresponding cash distribution payments on the QUIPS. During any period in which Holdings is deferring its quarterly interest payments, Holdings will be prohibited from paying dividends on any of its capital stock or making principal, interest or other payments on debt securities that rank pari passu with or junior to the Debentures.

Holdings has executed a guarantee with regard to payment of the QUIPS to the extent that the Trust has insufficient funds to make the required payments.

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Earnings (Loss) Per Share

12 Months Ended

Dec. 31, 2011

Earnings Per Share [Abstract]

Earnings (Loss) Per Share

Earnings (Loss) Per Share

Basic earnings (loss) per share is computed by dividing net income (loss) available to common stockholders by the weighted-average number of common shares outstanding. Diluted earnings (loss) per share is computed by dividing net income (loss) available to common stockholders by the weighted-average number of common shares plus the effect of dilutive potential common shares outstanding during the period. There were no adjustments to the 2010 and 2009 weighted-average number of common shares reflected in the diluted losses per share in the table below due to the losses for the years ended December 31, 2010 and 2009. The diluted earnings (losses) per share for the years ended December 31, 2011, 2010 and 2009 exclude the impact of approximately 2.2 million, 10.9 million and 11.8 million common stock equivalents, respectively, since the effect of including these securities would be anti-dilutive. The following table sets forth the computation of basic and diluted loss per share (shares in thousands):

	Year Ended December 31,
	2011		2010			2009
Numerator:
Income (loss) from continuing operations	$	101	$	(22	)	$	(60	)
Convertible debt interest—1 7/8 percent notes	—		—			—
Income (loss) from continuing operations available to common stockholders	101		(22		)	(60		)
Loss from discontinued operation	—		(4		)	(2		)
Net income (loss) available to common stockholders	$	101	$	(26	)	$	(62	)
Denominator:
Denominator for basic earnings (loss) per share—weighted-average common shares	62,184		60,455			60,100
Effect of dilutive securities:
Employee stock options and warrants	1,037		—			—
Convertible subordinated notes—1  7/8 percent	1,015		—			—
Convertible subordinated notes—4 percent	8,532		—			—
Restricted stock units	581		—			—
Denominator for diluted earnings (loss) per share—adjusted weighted-average common shares	73,349		60,455			60,100
Basic earnings (loss) per share:
Income (loss) from continuing operations	$	1.62	$	(0.38	)	$	(0.98	)
Loss from discontinued operation	—		(0.06		)	(0.04		)
Net income (loss)	$	1.62	$	(0.44	)	$	(1.02	)
Diluted earnings (loss) per share:
Income (loss) from continuing operations	$	1.38	$	(0.38	)	$	(0.98	)
Loss from discontinued operation	—		(0.06		)	(0.04		)
Net income (loss)	$	1.38	$	(0.44	)	$	(1.02	)

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Segment Information (Financial information by segment) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended										12 Months Ended
	Dec. 31, 2011		Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010		Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Segment Reporting Information [Line Items]
Equipment rentals											$ 2,151	$ 1,834	$ 1,830
Sales of rental equipment											208	144	229
Sales of new equipment											84	78	86
Contractor supplies sales											85	95	121
Service and other revenues											83	86	92
Total revenues	746	[1]	713	629	523	597	[2]	605	557	478	2,611	2,237	2,358
Depreciation and amortization expense											480	449	474
Segment operating income	115	[1]	156	95	30	47	[2]	93	59	(2)	396	197	114
Capital expenditures											810	374	311
Total assets	4,143					3,693					4,143	3,693
General Rentals [Member]
Segment Reporting Information [Line Items]
Equipment rentals											1,953	1,693	1,700
Sales of rental equipment											201	134	218
Sales of new equipment											77	72	81
Contractor supplies sales											79	89	114
Service and other revenues											79	83	89
Total revenues											2,389	2,071	2,202
Depreciation and amortization expense											448	426	449
Segment operating income											377	199	123
Capital expenditures											739	344	295
Total assets	3,776					3,458					3,776	3,458
Trench Safety, Power and HVAC [Member]
Segment Reporting Information [Line Items]
Equipment rentals											198	141	130
Sales of rental equipment											7	10	11
Sales of new equipment											7	6	5
Contractor supplies sales											6	6	7
Service and other revenues											4	3	3
Total revenues											222	166	156
Depreciation and amortization expense											32	23	25
Segment operating income											57	32	22
Capital expenditures											71	30	16
Total assets	367					235					367	235
Operating Segments [Member]
Segment Reporting Information [Line Items]
Segment operating income											$ 434	$ 231	$ 145

[1] During the fourth quarter of 2011, we recognized $19 of charges associated with the proposed RSC merger. Additionally, during the quarter, we closed 18 branches and recognized restructuring charges of $14. During the quarter, we also recognized asset impairment charges of $3 which are primarily reflected in non-rental depreciation and amortization and principally relate to write-offs of leasehold improvements and other fixed assets in connection with the consolidation of our branch network. In the quarter, we also purchased an aggregate of $32 of QUIPS for $32. In connection with this transaction, we retired $32 principal amount of our subordinated convertible debentures and recognized a loss of $1 in interest expense-subordinated convertible debentures, net, inclusive of the write-off of capitalized debt issuance costs. Interest expense, net for the fourth quarter of 2011 also includes a loss of $3 reflecting write-offs of debt issuance costs associated with the amendment of our ABL facility discussed above. During the quarter, we also recognized a benefit of $8 in cost of equipment rentals, excluding depreciation related to our provision for self-insurance reserves.

[2] During the fourth quarter of 2010, we repurchased or redeemed and subsequently retired an aggregate of $814 principal amount of our outstanding 7 3/4 percent Senior Subordinated Notes due 2013, 7 percent Senior Subordinated Notes due 2014 and 1 7/8 percent Convertible Senior Subordinated Notes due 2023. Interest expense, net for the fourth quarter of 2010 includes a charge of $25, representing the difference between the net carrying amount of these securities and the total purchase price of $827. The $25 charge includes a $4 write-off of a previously terminated derivative transaction. During the quarter, we also recognized restructuring charges of $15 related to the closure of 22 branches and reductions in headcount of approximately 100, and recognized asset impairment charges of $6. These asset impairment charges are primarily reflected in non-rental depreciation and amortization and principally relate to write-offs of leasehold improvement and other fixed assets in connection with the consolidation of our branch network. Additionally, the income tax provision (benefit) for the quarter includes a benefit of $7 related to a correction of a deferred tax asset recognized in prior periods. During the quarter, we also recognized a charge of $24 related to our provision for self-insurance reserves, comprised of $18 recorded in cost of equipment rentals, excluding depreciation, and $6 recorded in discontinued operation. The charge reflected recent adverse experience in our portfolio of automobile and general liability claims, as well as worker’s compensation claims. The discontinued operation component of the charge is reflected net of taxes in our consolidated statements of income.

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Common Stock (Tables)

12 Months Ended

Dec. 31, 2011

Common Stock Disclosure [Abstract]

Disclosure of Share-based Compensation Arrangements by Share-based Payment Award

A summary of the transactions within the Company’s stock option plans follows (shares in thousands):

	Shares		Weighted-Average Exercise Price
Outstanding at January 1, 2009	2,341		$	21.94
Granted	910		3.74
Exercised	—		—
Canceled	(469	)	25.45
Outstanding at December 31, 2009	2,782		15.40
Granted	851		8.43
Exercised	(196	)	5.63
Canceled	(84	)	11.71
Outstanding at December 31, 2010	3,353		14.30
Granted	63		31.49
Exercised	(1,831	)	19.25
Canceled	(49	)	7.85
Outstanding at December 31, 2011	1,536		9.30
Exercisable at December 31, 2009	1,869		$	21.03
Exercisable at December 31, 2010	1,932		$	19.98
Exercisable at December 31, 2011	674		$	10.14

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range

As of December 31, 2011 (options in thousands):

	Options Outstanding				Options Exercisable
Range of Exercise Prices	Amount Outstanding	Weighted Average Remaining Contractual Life	Weighted Average Exercise Price		Amount Exercisable	Weighted Average Exercise Price
$0.01-5.00	523	7.2	$	3.40	272	$	3.39
5.01-10.00	718	8.2	8.38		184	8.40
10.01-15.00	33	7.5	11.44		19	11.45
15.01-20.00	84	2.8	17.91		84	17.91
20.01-25.00	92	2.1	21.93		92	21.93
25.01-30.00	20	5.0	25.68		20	25.68
30.01-35.00	66	9.0	31.64		3	34.86
	1,536		$	9.30	674	$	10.14

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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT) (USD $) In Millions, except Share data, unless otherwise specified		Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Comprehensive (loss) Income [Member]	Accumulated Other Comprehensive Income [Member]
Balance at Dec. 31, 2008			$ 1	$ 466	$ (512)		$ 16
Balance (in shares) at Dec. 31, 2008			60,000,000
Comprehensive (loss) income:
Net income (loss)		(62)			(62)	(62)
Other comprehensive income (loss):
Foreign currency translation adjustments						51	51
Comprehensive income (loss)						(11)
Issuance of 4 percent Convertible Senior Notes, net				33
Stock compensation expense, net				8
Exercise of common stock options (in shares)		0
Convertible note hedge transactions, net				(17)
Excess tax benefits from share-based payment arrangements, net				(2)
Other				(1)
Balance at Dec. 31, 2009			1	487	(574)		67
Balance (in shares) at Dec. 31, 2009			60,000,000
Comprehensive (loss) income:
Net income (loss)		(26)			(26)	(26)
Other comprehensive income (loss):
Foreign currency translation adjustments						20	20
Comprehensive income (loss)						(6)
Stock compensation expense, net				8
Exercise of common stock options (in shares)		196,000
Excess tax benefits from share-based payment arrangements, net				(2)
Other (in shares)			1,000,000
Other				(1)
Balance at Dec. 31, 2010		(20)	1	492	(600)		87
Balance (in shares) at Dec. 31, 2010		60,621,338	61,000,000
Comprehensive (loss) income:
Net income (loss)		101			101	101
Other comprehensive income (loss):
Foreign currency translation adjustments						(11)	(11)
Fixed price diesel swaps						(1)	(1)
Comprehensive income (loss)						89
Issuance of 4 percent Convertible Senior Notes, net	[1]			(45)
Stock compensation expense, net				12
Exercise of common stock options (in shares)		1,831,000	2,000,000
Exercise of common stock options				35
Shares repurchased and retired (in shares)
Shares repurchased and retired				(7)
Balance at Dec. 31, 2011		$ 64	$ 1	$ 487	$ (499)		$ 75
Balance (in shares) at Dec. 31, 2011		62,877,530	63,000,000

[1] Reflects a reduction due to our 4 percent Convertible Senior Notes being convertible at December 31, 2011 (an amount equal to the unamortized portion of the original issue discount was reclassified out of stockholders’ equity (deficit) and is reflected as “temporary equity” in our consolidated balance sheet as of December 31, 2011), and a reduction reflecting the excess of the cash transferred upon conversion of a portion of the 4 percent Convertible Senior Notes during the year ended December 31, 2011 over the principal amount of the converted notes, net of cash received from the option counterparties to our convertible note hedges upon the conversion. See note 12 to our consolidated financial statements for additional detail.

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Summary Of Significant Accounting Policies

12 Months Ended

Dec. 31, 2011

Summary of Significant Accounting Policies Disclosures [Abstract]

Significant Accounting Policies

Summary of Significant Accounting Policies

Cash Equivalents

We consider all highly liquid instruments with maturities of three months or less when purchased to be cash equivalents. Our cash equivalents at December 31, 2011 consist of direct obligations of financial institutions rated A or better.

Allowance for Doubtful Accounts

We maintain an allowance for doubtful accounts. This allowance reflects our estimate of the amount of our receivables that we will be unable to collect based on historical write-off experience. Trade receivables that have contractual maturities of one year or less are written-off when they are determined to be uncollectible based on the criteria necessary to qualify as a deduction for federal tax purposes. Write-offs of such receivables require management approval based on specified dollar thresholds.

Inventory

Inventory consists of new equipment, contractor supplies, tools, parts, fuel and related supply items. Inventory is stated at the lower of cost or market. Cost is determined, depending on the type of inventory, using either a specific identification, weighted-average or first-in, first-out method.

Rental Equipment

Rental equipment, which includes service and delivery vehicles, is recorded at cost and depreciated over the estimated useful life of the equipment using the straight-line method. The range of estimated useful lives for rental equipment is two to 12 years. Rental equipment is depreciated to a salvage value of zero to 10 percent of cost. Costs we incur in connection with refurbishment programs that extend the life of our equipment are capitalized and amortized over the remaining useful life of the equipment. The costs incurred under these refurbishment programs were $10, $12 and $33 for the years ended December 31, 2011, 2010 and 2009, respectively, and are included in purchases of rental equipment in our consolidated statements of cash flows. Ordinary repair and maintenance costs are charged to operations as incurred. Repair and maintenance costs are included in cost of revenues on our consolidated statements of income. Repair and maintenance expense (including both labor and parts) for our rental equipment was $291, $262 and $256 for the years ended December 31, 2011, 2010 and 2009, respectively.

Property and Equipment

Property and equipment are recorded at cost and depreciated over their estimated useful lives using the straight-line method. The range of estimated useful lives for property and equipment is two to 39 years. Ordinary repair and maintenance costs are charged to expense as incurred. Leasehold improvements are amortized using the straight-line method over their estimated useful lives or the remaining life of the lease, whichever is shorter.

Business Combinations

We have made a number of acquisitions in the past and may continue to make acquisitions in the future. We allocate the cost of the acquired enterprise to the assets acquired and liabilities assumed based on their respective fair values at the date of acquisition. With the exception of goodwill and other intangible assets, long-lived fixed assets generally represent the largest component of our acquisitions. The long-lived fixed assets that we acquire are primarily rental equipment, transportation equipment and real estate.

In addition to long-lived fixed assets, we also acquire other assets and assume liabilities. These other assets and liabilities typically include, but are not limited to, parts inventory, accounts receivable, accounts payable and other working capital items. Because of their short-term nature, the fair values of these other assets and liabilities generally approximate the book values reflected on the acquired entities' balance sheets. However, when appropriate, we adjust these book values for factors such as collectibility and existence. The intangible assets that we have acquired are primarily goodwill, customer relationships and non-compete agreements. Goodwill is calculated as the excess of the cost of the acquired entity over the fair value of the net assets acquired. Customer relationships and non-compete agreements are valued based on an excess earnings or income approach with consideration to projected cash flows.

Goodwill and the Evaluation of Goodwill Impairment

As discussed above, goodwill represents the excess of cost over the fair value of identifiable net assets of businesses acquired. We test for goodwill impairment at a regional level. We are required to review our goodwill for impairment annually as of a scheduled review date; however, if events or circumstances suggest that goodwill could be impaired, we may be required to conduct an earlier review. The scheduled review date is October 1 of each year.

Application of the goodwill impairment test requires judgment, including the identification of reporting units, assignment of assets and liabilities to reporting units, assignment of goodwill to reporting units, and determination of the fair value of each reporting unit. In September 2011, the Financial Accounting Standards Board (“FASB”) issued guidance that simplified how entities test for goodwill impairment. This guidance permits entities to first assess qualitative factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount as a basis for determining whether it is necessary to perform a two-step goodwill impairment test. This guidance is effective for annual and interim goodwill impairment tests performed for fiscal years beginning after December 15, 2011, and early adoption is permitted. As discussed more fully in note 8 to the consolidated financial statements, we early adopted this guidance for our annual goodwill impairment test that was conducted as of October 1, 2011.

Other Intangible Assets

Other intangible assets consist of non-compete agreements and customer relationships. The non-compete agreements are being amortized on a straight-line basis over initial periods ranging from two to five years. The customer relationships are being amortized on a straight-line basis over initial periods ranging from eight to 12 years.

Long-Lived Assets

Long-lived assets are recorded at the lower of amortized cost or fair value. As part of an ongoing review of the valuation of long-lived assets, we assess the carrying value of such assets if facts and circumstances suggest they may be impaired. If this review indicates the carrying value of such an asset may not be recoverable, as determined by an undiscounted cash flow analysis over the remaining useful life, the carrying value would be reduced to its estimated fair value.

Translation of Foreign Currency

Assets and liabilities of our Canadian subsidiaries that have a functional currency other than U.S. dollars are translated into U.S. dollars using exchange rates at the balance sheet date. Revenues and expenses are translated at average exchange rates effective during the year. Foreign currency translation gains and losses are included as a component of accumulated other comprehensive income within stockholders’ equity.

Revenue Recognition

Our rental contract periods are hourly, daily, weekly or monthly and we recognize equipment rental revenue on a straight-line basis. As part of this straight-line methodology, when the equipment is returned, we recognize as incremental revenue the excess, if any, between the amount the customer is contractually required to pay over the cumulative amount of revenue recognized to date. We record amounts billed to customers in excess of recognizable revenue as deferred revenue on our balance sheet. We had deferred revenue of $16 and $12 as of December 31, 2011 and 2010, respectively. Revenues from the sale of rental equipment and new equipment are recognized at the time of delivery to, or pick-up by, the customer and when collectibility is reasonably assured. Sales of contractor supplies are also recognized at the time of delivery to, or pick-up by, the customer. Service revenue is recognized as the services are performed. Sales tax amounts collected from customers are recorded on a net basis.

Delivery Expense

Equipment rentals include our revenues from fees we charge for equipment delivery. Delivery costs are charged to operations as incurred, and are included in cost of revenues on our consolidated statements of income.

Advertising Expense

We promote our business through local and national advertising in various media, including trade publications, yellow pages, the Internet, radio and direct mail. Advertising costs are generally expensed as incurred. Advertising expense, net of qualified advertising reimbursements, was $0, $2 and $6 for the years ended December 31, 2011, 2010 and 2009, respectively.

Insurance

We are insured for general liability, workers’ compensation and automobile liability, subject to deductibles or self-insured retentions per occurrence of $2 for general liability, $1 for workers’ compensation and $2 for automobile liability as of December 31, 2011 and 2010. Losses within these deductible amounts are accrued based upon the aggregate liability for reported claims incurred, as well as an estimated liability for claims incurred but not yet reported. These liabilities are not discounted. The Company is also self-insured for group medical claims but purchases “stop loss” insurance to protect itself from any one loss exceeding $600,000 (actual dollars).

Income Taxes

We use the liability method of accounting for income taxes. Under this method, deferred tax assets and liabilities are determined based on the differences between financial statement and tax bases of assets and liabilities and are measured using the tax rates and laws that are expected to be in effect when the differences are expected to reverse. Recognition of deferred tax assets is limited to amounts considered by management to be more likely than not to be realized in future periods. The most significant positive evidence that we consider in the recognition of deferred tax assets is the expected reversal of cumulative deferred tax liabilities resulting from book versus tax depreciation of our rental equipment fleet that is well in excess of the deferred tax assets.

We use a two-step approach for recognizing and measuring tax benefits taken or expected to be taken in a tax return regarding uncertainties in income tax positions. The first step is recognition: we determine whether it is more likely than not that a tax position will be sustained upon examination, including resolution of any related appeals or litigation processes, based on the technical merits of the position. In evaluating whether a tax position has met the more-likely-than-not recognition threshold, we presume that the position will be examined by the appropriate taxing authority with full knowledge of all relevant information. The second step is measurement: a tax position that meets the more-likely-than-not recognition threshold is measured to determine the amount of benefit to recognize in the financial statements. The tax position is measured at the largest amount of benefit that is greater than 50 percent likely of being realized upon ultimate settlement. Differences between tax positions taken in a tax return and amounts recognized in the financial statements will generally result in one or more of the following: an increase in a liability for income taxes payable, a reduction of an income tax refund receivable, a reduction in a deferred tax asset or an increase in a deferred tax liability.

Use of Estimates

The preparation of financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”) requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Significant estimates impact the calculation of the allowance for doubtful accounts, depreciation and amortization, income taxes, reserves for claims, loss contingencies (including legal contingencies) and the fair values of financial instruments. Actual results could materially differ from those estimates.

Concentrations of Credit Risk

Financial instruments that potentially subject us to significant concentrations of credit risk include cash and cash equivalents and accounts receivable. We maintain cash and cash equivalents with high quality financial institutions. Concentration of credit risk with respect to receivables is limited because a large number of geographically diverse customers make up our customer base. Our largest customer accounted for less than one percent of total revenues in each of 2011, 2010, and 2009. Our customer with the largest receivable balance represented approximately two percent and one percent of total receivables at December 31, 2011 and 2010, respectively. We manage credit risk through credit approvals, credit limits and other monitoring procedures.

Stock-Based Compensation

We measure stock-based compensation at the grant date based on the fair value of the award and recognize stock-based compensation expense over the requisite service period. Determining the fair value of stock option awards requires judgment, including estimating stock price volatility, forfeiture rates and expected option life. Restricted stock awards are valued based on the fair value of the stock on the grant date and the related compensation expense is recognized over the service period. Similarly, for time-based restricted stock awards subject to graded vesting, we recognize compensation cost on a straight-line basis over the requisite service period. We classify cash flows from tax benefits resulting from tax deductions in excess of the compensation cost recognized for stock-based awards (“excess tax benefits”) as financing cash flows.

New Accounting Pronouncements

Comprehensive Income. In June and December 2011, the FASB issued guidance on the presentation of comprehensive income. This guidance eliminates the option to present the components of other comprehensive income as part of the statement of changes in stockholders’ equity, which is our current presentation, and also requires presentation of reclassification adjustments from other comprehensive income to net income on the face of the financial statements. This guidance is effective for fiscal years and interim periods beginning after December 15, 2011, with the exception of the requirement to present reclassification adjustments from other comprehensive income to net income on the face of the financial statements, which has been deferred pending further deliberation by the FASB, and is not expected to have a material effect on our financial condition or results of operations, though it will change our financial statement presentation.

Goodwill Impairment Testing. In September 2011, the FASB issued guidance that simplified how entities test for goodwill impairment. This guidance permits entities to first assess qualitative factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount as a basis for determining whether it is necessary to perform a two-step goodwill impairment test. This guidance is effective for annual and interim goodwill impairment tests performed for fiscal years beginning after December 15, 2011, and early adoption is permitted. We early adopted this guidance for our annual goodwill impairment test that was conducted as of October 1, 2011, as discussed in note 8 to the consolidated financial statements. The adoption of this guidance did not have a material effect on our financial condition or results of operations.

XML

Accrued Expenses And Other Liabilities and Other Long Term Liabilities (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2009	Dec. 31, 2008
Accrued expenses and other liabilities
Self-insurance accruals	$ 30		$ 36
Accrued compensation and benefit costs	57		32
Property and income taxes payable	18		23
Restructuring reserves	28	[1]	28	[1]	21	13
Interest payable	26		21
Deferred revenue	18	[2]	14	[2]
National accounts accrual	21		15
Due to seller	14		0
Other	51	[3]	39	[3]
Accrued expenses and other liabilities	263		208
Other long-term liabilities
Self-insurance accruals	53		57
Other	6		2
Other long-term liabilities	$ 59		$ 59

[1] Relates to branch closure charges and severance costs. See note 5 (“Restructuring and Asset Impairment Charges”) for additional detail.

[2] Primarily relates to amounts billed to customers in excess of recognizable equipment rental revenue. See note 2 (“Revenue Recognition”) for additional detail.

[3] Other includes multiple items, none of which are individually significant.

XML

Condensed Consolidating Financial Information of Guarantor Subsidiaries CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended										12 Months Ended
	Dec. 31, 2011		Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010		Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Revenues:
Equipment rentals											$ 2,151	$ 1,834	$ 1,830
Sales of rental equipment											208	144	229
Sales of new equipment											84	78	86
Contractor supplies sales											85	95	121
Service and other revenues											83	86	92
Total revenues	746	[1]	713	629	523	597	[2]	605	557	478	2,611	2,237	2,358
Cost of revenues:
Cost of equipment rentals, excluding depreciation											992	924	910
Depreciation of rental equipment											423	389	417
Cost of rental equipment sales											142	103	222
Cost of new equipment sales											67	65	73
Cost of contractor supplies sales											58	66	89
Cost of service and other revenues											31	32	37
Total cost of revenues											1,713	1,579	1,748
Gross profit	275	[1]	274	211	138	175	[2]	209	171	103	898	658	610
Selling, general and administrative expenses											407	367	408
RSC merger related costs											19	0	0
Restructuring charge						15					19	34	31
Non-rental depreciation and amortization											57	60	57
Operating income	115	[1]	156	95	30	47	[2]	93	59	(2)	396	197	114
Interest expense, net											228	255	226
Interest expense-subordinated convertible debentures, net											7	8	(4)
Other (income) expense, net											(3)	(3)	(1)
Income (loss) from continuing operations before provision (benefit) for income taxes											164	(63)	(107)
Provision (benefit) for income taxes											63	(41)	(47)
Income (loss) from continuing operations	28	[1]	65	28	(20)	(17)	[2]	23	12	(40)	101	(22)	(60)
Loss from discontinued operation, net of taxes											0	(4)	(2)
Income (loss) before equity in net earnings (loss) of subsidiaries											101	(26)	(62)
Equity in net earnings (loss) of subsidiaries											0	0	0
Net income (loss)	29	[1]	65	27	(20)	(21)	[2]	23	12	(40)	101	(26)	(62)
Parent Company [Member]
Revenues:
Equipment rentals											0	0	0
Sales of rental equipment											0	0	0
Sales of new equipment											0	0	0
Contractor supplies sales											0	0	0
Service and other revenues											0	0	0
Total revenues											0	0	0
Cost of revenues:
Cost of equipment rentals, excluding depreciation											0	0	0
Depreciation of rental equipment											0	0	0
Cost of rental equipment sales											0	0	0
Cost of new equipment sales											0	0	0
Cost of contractor supplies sales											0	0	0
Cost of service and other revenues											0	0	0
Total cost of revenues											0	0	0
Gross profit											0	0	0
Selling, general and administrative expenses											7	21	19
RSC merger related costs
Restructuring charge											0	0	0
Non-rental depreciation and amortization											15	13	12
Operating income											(22)	(34)	(31)
Interest expense, net											12	12	40
Interest expense-subordinated convertible debentures, net											7	8	(4)
Other (income) expense, net											(73)	(62)	(66)
Income (loss) from continuing operations before provision (benefit) for income taxes											32	8	(1)
Provision (benefit) for income taxes											9	3	0
Income (loss) from continuing operations												5	(1)
Loss from discontinued operation, net of taxes												0	0
Income (loss) before equity in net earnings (loss) of subsidiaries											23	5	(1)
Equity in net earnings (loss) of subsidiaries											78	(31)	(61)
Net income (loss)											101	(26)	(62)
URNA [Member]
Revenues:
Equipment rentals											1,037	940	957
Sales of rental equipment											117	73	131
Sales of new equipment											38	41	44
Contractor supplies sales											37	41	49
Service and other revenues											43	46	51
Total revenues											1,272	1,141	1,232
Cost of revenues:
Cost of equipment rentals, excluding depreciation											479	463	469
Depreciation of rental equipment											220	214	231
Cost of rental equipment sales											80	51	132
Cost of new equipment sales											30	34	38
Cost of contractor supplies sales											26	30	36
Cost of service and other revenues											19	20	21
Total cost of revenues											854	812	927
Gross profit											418	329	305
Selling, general and administrative expenses											162	149	175
RSC merger related costs											19
Restructuring charge											7	21	12
Non-rental depreciation and amortization											19	26	18
Operating income											211	133	100
Interest expense, net											207	237	176
Interest expense-subordinated convertible debentures, net											0	0	0
Other (income) expense, net											61	54	50
Income (loss) from continuing operations before provision (benefit) for income taxes											(57)	(158)	(126)
Provision (benefit) for income taxes											(4)	(78)	(51)
Income (loss) from continuing operations												(80)	(75)
Loss from discontinued operation, net of taxes												(4)	(2)
Income (loss) before equity in net earnings (loss) of subsidiaries											(53)	(84)	(77)
Equity in net earnings (loss) of subsidiaries											131	53	16
Net income (loss)											78	(31)	(61)
Guarantor Subsidiaries [Member]
Revenues:
Equipment rentals											742	629	645
Sales of rental equipment											63	48	69
Sales of new equipment											21	18	26
Contractor supplies sales											25	30	47
Service and other revenues											22	23	28
Total revenues											873	748	815
Cost of revenues:
Cost of equipment rentals, excluding depreciation											352	331	329
Depreciation of rental equipment											137	130	139
Cost of rental equipment sales											44	36	65
Cost of new equipment sales											17	15	22
Cost of contractor supplies sales											17	20	36
Cost of service and other revenues											7	9	10
Total cost of revenues											574	541	601
Gross profit											299	207	214
Selling, general and administrative expenses											143	121	144
RSC merger related costs
Restructuring charge											9	13	17
Non-rental depreciation and amortization											17	17	23
Operating income											130	56	30
Interest expense, net											6	6	6
Interest expense-subordinated convertible debentures, net											0	0	0
Other (income) expense, net											37	28	45
Income (loss) from continuing operations before provision (benefit) for income taxes											87	22	(21)
Provision (benefit) for income taxes											28	7	(9)
Income (loss) from continuing operations												15	(12)
Loss from discontinued operation, net of taxes												0	0
Income (loss) before equity in net earnings (loss) of subsidiaries											59	15	(12)
Equity in net earnings (loss) of subsidiaries											62	32	0
Net income (loss)											121	47	(12)
Non Guarantor Subsidiaries Foreign [Member]
Revenues:
Equipment rentals											372	265	228
Sales of rental equipment											28	23	29
Sales of new equipment											25	19	16
Contractor supplies sales											23	24	25
Service and other revenues											18	17	13
Total revenues											466	348	311
Cost of revenues:
Cost of equipment rentals, excluding depreciation											161	130	112
Depreciation of rental equipment											66	45	47
Cost of rental equipment sales											18	16	25
Cost of new equipment sales											20	16	13
Cost of contractor supplies sales											15	16	17
Cost of service and other revenues											5	3	6
Total cost of revenues											285	226	220
Gross profit											181	122	91
Selling, general and administrative expenses											75	56	51
RSC merger related costs
Restructuring charge											3	0	2
Non-rental depreciation and amortization											6	4	4
Operating income											97	62	34
Interest expense, net											4	(3)	0
Interest expense-subordinated convertible debentures, net											0	0	0
Other (income) expense, net											12	12	8
Income (loss) from continuing operations before provision (benefit) for income taxes											81	53	26
Provision (benefit) for income taxes											24	22	7
Income (loss) from continuing operations												31	19
Loss from discontinued operation, net of taxes												0	0
Income (loss) before equity in net earnings (loss) of subsidiaries											57	31	19
Equity in net earnings (loss) of subsidiaries											0	0	0
Net income (loss)											57	31	19
Non Guarantor Subsidiaries SPV [Member]
Revenues:
Equipment rentals											0	0	0
Sales of rental equipment											0	0	0
Sales of new equipment											0	0	0
Contractor supplies sales											0	0	0
Service and other revenues											0	0	0
Total revenues											0	0	0
Cost of revenues:
Cost of equipment rentals, excluding depreciation											0	0	0
Depreciation of rental equipment											0	0	0
Cost of rental equipment sales											0	0	0
Cost of new equipment sales											0	0	0
Cost of contractor supplies sales											0	0	0
Cost of service and other revenues											0	0	0
Total cost of revenues											0	0	0
Gross profit											0	0	0
Selling, general and administrative expenses											20	20	19
RSC merger related costs
Restructuring charge											0	0	0
Non-rental depreciation and amortization											0	0	0
Operating income											(20)	(20)	(19)
Interest expense, net											4	4	4
Interest expense-subordinated convertible debentures, net											0	0	0
Other (income) expense, net											(40)	(35)	(38)
Income (loss) from continuing operations before provision (benefit) for income taxes											16	11	15
Provision (benefit) for income taxes											6	5	6
Income (loss) from continuing operations												6	9
Loss from discontinued operation, net of taxes												0	0
Income (loss) before equity in net earnings (loss) of subsidiaries											10	6	9
Equity in net earnings (loss) of subsidiaries											0	0	0
Net income (loss)											10	6	9
Consolidation, Eliminations [Member]
Revenues:
Equipment rentals											0	0	0
Sales of rental equipment											0	0	0
Sales of new equipment											0	0	0
Contractor supplies sales											0	0	0
Service and other revenues											0	0	0
Total revenues											0	0	0
Cost of revenues:
Cost of equipment rentals, excluding depreciation											0	0	0
Depreciation of rental equipment											0	0	0
Cost of rental equipment sales											0	0	0
Cost of new equipment sales											0	0	0
Cost of contractor supplies sales											0	0	0
Cost of service and other revenues											0	0	0
Total cost of revenues											0	0	0
Gross profit											0	0	0
Selling, general and administrative expenses											0	0	0
RSC merger related costs
Restructuring charge											0	0	0
Non-rental depreciation and amortization											0	0	0
Operating income											0	0	0
Interest expense, net											(5)	(1)	0
Interest expense-subordinated convertible debentures, net											0	0	0
Other (income) expense, net											0	0	0
Income (loss) from continuing operations before provision (benefit) for income taxes											5	1	0
Provision (benefit) for income taxes											0	0	0
Income (loss) from continuing operations												1	0
Loss from discontinued operation, net of taxes												0	0
Income (loss) before equity in net earnings (loss) of subsidiaries											5	1	0
Equity in net earnings (loss) of subsidiaries											(271)	(54)	45
Net income (loss)											$ (266)	$ (53)	$ 45

[1] During the fourth quarter of 2011, we recognized $19 of charges associated with the proposed RSC merger. Additionally, during the quarter, we closed 18 branches and recognized restructuring charges of $14. During the quarter, we also recognized asset impairment charges of $3 which are primarily reflected in non-rental depreciation and amortization and principally relate to write-offs of leasehold improvements and other fixed assets in connection with the consolidation of our branch network. In the quarter, we also purchased an aggregate of $32 of QUIPS for $32. In connection with this transaction, we retired $32 principal amount of our subordinated convertible debentures and recognized a loss of $1 in interest expense-subordinated convertible debentures, net, inclusive of the write-off of capitalized debt issuance costs. Interest expense, net for the fourth quarter of 2011 also includes a loss of $3 reflecting write-offs of debt issuance costs associated with the amendment of our ABL facility discussed above. During the quarter, we also recognized a benefit of $8 in cost of equipment rentals, excluding depreciation related to our provision for self-insurance reserves.

[2] During the fourth quarter of 2010, we repurchased or redeemed and subsequently retired an aggregate of $814 principal amount of our outstanding 7 3/4 percent Senior Subordinated Notes due 2013, 7 percent Senior Subordinated Notes due 2014 and 1 7/8 percent Convertible Senior Subordinated Notes due 2023. Interest expense, net for the fourth quarter of 2010 includes a charge of $25, representing the difference between the net carrying amount of these securities and the total purchase price of $827. The $25 charge includes a $4 write-off of a previously terminated derivative transaction. During the quarter, we also recognized restructuring charges of $15 related to the closure of 22 branches and reductions in headcount of approximately 100, and recognized asset impairment charges of $6. These asset impairment charges are primarily reflected in non-rental depreciation and amortization and principally relate to write-offs of leasehold improvement and other fixed assets in connection with the consolidation of our branch network. Additionally, the income tax provision (benefit) for the quarter includes a benefit of $7 related to a correction of a deferred tax asset recognized in prior periods. During the quarter, we also recognized a charge of $24 related to our provision for self-insurance reserves, comprised of $18 recorded in cost of equipment rentals, excluding depreciation, and $6 recorded in discontinued operation. The charge reflected recent adverse experience in our portfolio of automobile and general liability claims, as well as worker’s compensation claims. The discontinued operation component of the charge is reflected net of taxes in our consolidated statements of income.

XML

Income Taxes (Components of income tax expense and reconciliation of effective tax rate) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
	Dec. 31, 2010	Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2009
Current
Federal		$ 0		$ 0		$ (55)
Foreign		22		16		5
State and local		2		1		(1)
Current income tax expense		24		17		(51)
Deferred
Federal		36		(48)		13
Foreign		1		(1)		2
State and local		2		(9)		(11)
Deferred income tax expense (benefit)		39		(58)		4
Total		63		(41)		(47)
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate		35.00%
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract]
Computed tax at statutory tax rate		57		(22)		(38)
State income taxes, net of federal tax benefit		3		(8)		(7)
Non-deductible expenses and other		12	[1]	(6)	[1]	(1)
Foreign taxes		(9)		(5)		(1)
Tax Adjustments, Settlements, and Unusual Provisions	(7)	3		(7)
RSC [Member]
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract]
Income Tax Reconciliation, Nondeductible Expense, Business Acquisition		$ 6

[1] 2011 non-deductible expenses and other includes $6 due to the non-deductibility of certain costs associated with the proposed RSC acquisition and $3 related to an adjustment of federal and state deferred tax liabilities. 2010 non-deductible expenses and other includes a benefit of $7 related to a correction of a deferred tax asset recognized in prior periods.

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Condensed Consolidating Financial Information of Guarantor Subsidiaries

12 Months Ended

Dec. 31, 2011

Condensed Financial Information of Parent Company Only Disclosure [Abstract]

Condensed Consolidating Financial Information of Guarantor Subsidiaries

Condensed Consolidating Financial Information of Guarantor Subsidiaries

URNA is 100 percent owned by Holdings (“Parent”) and has outstanding (i) certain indebtedness that is guaranteed by Parent and (ii) certain indebtedness that is guaranteed by both Parent and, with the exception of its U.S. special purpose entity (the “SPV”) which holds receivable assets relating to the Company’s accounts receivable securitization, all of URNA’s U.S. subsidiaries (the “guarantor subsidiaries”). However, this indebtedness is not guaranteed by URNA’s foreign subsidiaries and the SPV (together, the “non-guarantor subsidiaries”). The guarantor subsidiaries are all 100 percent-owned and the guarantees are made on a joint and several basis and are full and unconditional (subject to subordination provisions and subject to a standard limitation which provides that the maximum amount guaranteed by each guarantor will not exceed the maximum amount that can be guaranteed without making the guarantee void under fraudulent conveyance laws). Separate consolidated financial statements of the guarantor subsidiaries have not been presented because management believes that such information would not be material to investors. However, condensed consolidating financial information as of December 31, 2011 and 2010, and for each of the three years in the period ended December 31, 2011, is presented. The condensed consolidating financial information of Parent and its subsidiaries is as follows:

CONDENSED CONSOLIDATING BALANCE SHEETS

December 31, 2011

								Non-Guarantor Subsidiaries
	Parent		URNA			Guarantor Subsidiaries		Foreign			SPV		Eliminations			Total
ASSETS
Cash and cash equivalents	$	—	$	6		$	—	$	30		$	—	$	—		$	36
Accounts receivable, net	—		19			9		98			338		—			464
Intercompany receivable (payable)	114		(876		)	772		(154		)	—		144			—
Inventory	—		21			15		8			—		—			44
Prepaid expenses and other assets	—		55			1		19			—		—			75
Deferred taxes	—		100			3		1			—		—			104
Total current assets	114		(675		)	800		2			338		144			723
Rental equipment, net	—		1,345			836		436			—		—			2,617
Property and equipment, net	41		177			120		28			—		—			366
Investments in subsidiaries	227		2,144			462		—			—		(2,833		)	—
Goodwill and other intangibles, net	—		130			102		140			—		—			372
Other long-term assets	4		60			1		—			—		—			65
Total assets	$	386	$	3,181		$	2,321	$	606		$	338	$	(2,689	)	$	4,143
LIABILITIES AND STOCKHOLDERS’ EQUITY (DEFICIT)
Short-term debt and current maturities of long-term debt	$	129	$	8		$	—	$	3		$	255	$	—		$	395
Accounts payable	—		120			47		39			—		—			206
Accrued expenses and other liabilities	31		139			48		45			—		—			263
Total current liabilities	160		267			95		87			255		—			864
Long-term debt	—		2,444			142		6			—		—			2,592
Subordinated convertible debentures	55		—			—		—			—		—			55
Deferred taxes	16		241			165		48			—		—			470
Other long-term liabilities	52		2			2		3			—		—			59
Total liabilities	283		2,954			404		144			255		—			4,040
Temporary equity (note 12)	39		—			—		—			—		—			39
Total stockholders’ equity (deficit)	64		227			1,917		462			83		(2,689		)	64
Total liabilities and stockholders’ equity (deficit)	$	386	$	3,181		$	2,321	$	606		$	338	$	(2,689	)	$	4,143

CONDENSED CONSOLIDATING BALANCE SHEETS

December 31, 2010

									Non-Guarantor Subsidiaries
	Parent			URNA			Guarantor Subsidiaries		Foreign			SPV		Eliminations			Total
ASSETS
Cash and cash equivalents	$	—		$	4		$	—	$	199		$	—	$	—		$	203
Accounts receivable, net	—			5			6		73			293		—			377
Intercompany receivable (payable)	115			(837		)	735		(155		)	—		142			—
Inventory	—			19			13		7			—		—			39
Prepaid expenses and other assets	—			31			4		2			—		—			37
Deferred taxes	—			65			3		1			—		—			69
Total current assets	115			(713		)	761		127			293		142			725
Rental equipment, net	—			1,243			742		295			—		—			2,280
Property and equipment, net	43			186			136		28			—		—			393
Investments in subsidiaries	173			2,018			414		—			—		(2,605		)	—
Goodwill and other intangibles, net	—			99			83		45			—		—			227
Other long-term assets	8			60			—		—			—		—			68
Total assets	$	339		$	2,893		$	2,136	$	495		$	293	$	(2,463	)	$	3,693
LIABILITIES AND STOCKHOLDERS’ (DEFICIT) EQUITY
Short-term debt and current maturities of long-term debt	$	—		$	8		$	—	$	—		$	221	$	—		$	229
Accounts payable	—			83			26		23			—		—			132
Accrued expenses and other liabilities	37			146			—		25			—		—			208
Total current liabilities	37			237			26		48			221		—			569
Long-term debt	124			2,306			146		—			—		—			2,576
Subordinated convertible debentures	124			—			—		—			—		—			124
Deferred taxes	17			175			160		33			—		—			385
Other long-term liabilities	57			2			—		—			—		—			59
Total liabilities	359			2,720			332		81			221		—			3,713
Total stockholders’ (deficit) equity	(20		)	173			1,804		414			72		(2,463		)	(20		)
Total liabilities and stockholders’ (deficit) equity	$	339		$	2,893		$	2,136	$	495		$	293	$	(2,463	)	$	3,693

CONDENSED CONSOLIDATING STATEMENTS OF INCOME

For the Year Ended December 31, 2011

									Non-Guarantor Subsidiaries
	Parent			URNA			Guarantor Subsidiaries		Foreign		SPV			Eliminations			Total
Revenues:
Equipment rentals	$	—		$	1,037		$	742	$	372	$	—		$	—		$	2,151
Sales of rental equipment	—			117			63		28		—			—			208
Sales of new equipment	—			38			21		25		—			—			84
Contractor supplies sales	—			37			25		23		—			—			85
Service and other revenues	—			43			22		18		—			—			83
Total revenues	—			1,272			873		466		—			—			2,611
Cost of revenues:
Cost of equipment rentals, excluding depreciation	—			479			352		161		—			—			992
Depreciation of rental equipment	—			220			137		66		—			—			423
Cost of rental equipment sales	—			80			44		18		—			—			142
Cost of new equipment sales	—			30			17		20		—			—			67
Cost of contractor supplies sales	—			26			17		15		—			—			58
Cost of service and other revenues	—			19			7		5		—			—			31
Total cost of revenues	—			854			574		285		—			—			1,713
Gross profit	—			418			299		181		—			—			898
Selling, general and administrative expenses	7			162			143		75		20			—			407
RSC merger related costs	—			19			—		—		—			—			19
Restructuring charge	—			7			9		3		—			—			19
Non-rental depreciation and amortization	15			19			17		6		—			—			57
Operating (loss) income	(22		)	211			130		97		(20		)	—			396
Interest expense (income), net	12			207			6		4		4			(5		)	228
Interest expense-subordinated convertible debentures	7			—			—		—		—			—			7
Other (income) expense, net	(73		)	61			37		12		(40		)	—			(3		)
Income (loss) before provision (benefit) for income taxes	32			(57		)	87		81		16			5			164
Provision (benefit) for income taxes	9			(4		)	28		24		6			—			63
Income (loss) before equity in net earnings (loss) of subsidiaries	23			(53		)	59		57		10			5			101
Equity in net earnings (loss) of subsidiaries	78			131			62		—		—			(271		)	—
Net income (loss)	$	101		$	78		$	121	$	57	$	10		$	(266	)	$	101

CONDENSED CONSOLIDATING STATEMENTS OF INCOME

For the Year Ended December 31, 2010

									Non-Guarantor Subsidiaries
	Parent			URNA			Guarantor Subsidiaries		Foreign			SPV			Eliminations			Total
Revenues:
Equipment rentals	$	—		$	940		$	629	$	265		$	—		$	—		$	1,834
Sales of rental equipment	—			73			48		23			—			—			144
Sales of new equipment	—			41			18		19			—			—			78
Contractor supplies sales	—			41			30		24			—			—			95
Service and other revenues	—			46			23		17			—			—			86
Total revenues	—			1,141			748		348			—			—			2,237
Cost of revenues:
Cost of equipment rentals, excluding depreciation	—			463			331		130			—			—			924
Depreciation of rental equipment	—			214			130		45			—			—			389
Cost of rental equipment sales	—			51			36		16			—			—			103
Cost of new equipment sales	—			34			15		16			—			—			65
Cost of contractor supplies sales	—			30			20		16			—			—			66
Cost of service and other revenues	—			20			9		3			—			—			32
Total cost of revenues	—			812			541		226			—			—			1,579
Gross profit	—			329			207		122			—			—			658
Selling, general and administrative expenses	21			149			121		56			20			—			367
Restructuring charge	—			21			13		—			—			—			34
Non-rental depreciation and amortization	13			26			17		4			—			—			60
Operating (loss) income	(34		)	133			56		62			(20		)	—			197
Interest expense, net	12			237			6		(3		)	4			(1		)	255
Interest expense-subordinated convertible debentures	8			—			—		—			—			—			8
Other (income) expense, net	(62		)	54			28		12			(35		)	—			(3		)
Income (loss) from continuing operations before provision (benefit) for income taxes	8			(158		)	22		53			11			1			(63		)
Provision (benefit) for income taxes	3			(78		)	7		22			5			—			(41		)
Income (loss) from continuing operations	5			(80		)	15		31			6			1			(22		)
Loss from discontinued operation, net of taxes	—			(4		)	—		—			—			—			(4		)
Income (loss) before equity in net (loss) earnings of subsidiaries	5			(84		)	15		31			6			1			(26		)
Equity in net (loss) earnings of subsidiaries	(31		)	53			32		—			—			(54		)	—
Net (loss) income	$	(26	)	$	(31	)	$	47	$	31		$	6		$	(53	)	$	(26	)

CONDENSED CONSOLIDATING STATEMENTS OF INCOME

For the Year Ended December 31, 2009

										Non-Guarantor Subsidiaries
	Parent			URNA			Guarantor Subsidiaries			Foreign		SPV			Eliminations		Total
Revenues:
Equipment rentals	$	—		$	957		$	645		$	228	$	—		$	—	$	1,830
Sales of rental equipment	—			131			69			29		—			—		229
Sales of new equipment	—			44			26			16		—			—		86
Contractor supplies sales	—			49			47			25		—			—		121
Service and other revenues	—			51			28			13		—			—		92
Total revenues	—			1,232			815			311		—			—		2,358
Cost of revenues:
Cost of equipment rentals, excluding depreciation	—			469			329			112		—			—		910
Depreciation of rental equipment	—			231			139			47		—			—		417
Cost of rental equipment sales	—			132			65			25		—			—		222
Cost of new equipment sales	—			38			22			13		—			—		73
Cost of contractor supplies sales	—			36			36			17		—			—		89
Cost of service and other revenues	—			21			10			6		—			—		37
Total cost of revenues	—			927			601			220		—			—		1,748
Gross profit	—			305			214			91		—			—		610
Selling, general and administrative expenses	19			175			144			51		19			—		408
Restructuring charge	—			12			17			2		—			—		31
Non-rental depreciation and amortization	12			18			23			4		—			—		57
Operating (loss) income	(31		)	100			30			34		(19		)	—		114
Interest expense, net	40			176			6			—		4			—		226
Interest expense-subordinated convertible debentures, net	(4		)	—			—			—		—			—		(4		)
Other (income) expense, net	(66		)	50			45			8		(38		)	—		(1		)
(Loss) income from continuing operations before (benefit) provision for income taxes	(1		)	(126		)	(21		)	26		15			—		(107		)
(Benefit) provision for income taxes	—			(51		)	(9		)	7		6			—		(47		)
(Loss) income from continuing operations	(1		)	(75		)	(12		)	19		9			—		(60		)
Loss from discontinued operation, net of taxes	—			(2		)	—			—		—			—		(2		)
(Loss) income before equity in net (loss) earnings of subsidiaries	(1		)	(77		)	(12		)	19		9			—		(62		)
Equity in net (loss) earnings of subsidiaries	(61		)	16			—			—		—			45		—
Net (loss) income	$	(62	)	$	(61	)	$	(12	)	$	19	$	9		$	45	$	(62	)

CONDENSED CONSOLIDATING CASH FLOW INFORMATION

For the Year Ended December 31, 2011

										Non-Guarantor Subsidiaries
	Parent			URNA			Guarantor Subsidiaries			Foreign			SPV			Eliminations		Total
Net cash provided by (used in) operating activities	$	—		$	276		$	236		$	132		$	(36	)	$	—	$	608
Net cash used in investing activities	(13		)	(311		)	(241		)	(296		)	—			—		(861		)
Net cash provided by (used in) financing activities	13			37			5			(11		)	36			—		80
Effect of foreign exchange rates	—			—			—			6			—			—		6
Net increase (decrease) in cash and cash equivalents	—			2			—			(169		)	—			—		(167		)
Cash and cash equivalents at beginning of period	—			4			—			199			—			—		203
Cash and cash equivalents at end of period	$	—		$	6		$	—		$	30		$	—		$	—	$	36

CONDENSED CONSOLIDATING CASH FLOW INFORMATION

For the Year Ended December 31, 2010

										Non-Guarantor Subsidiaries
	Parent			URNA			Guarantor Subsidiaries			Foreign			SPV			Eliminations		Total
Net cash provided by (used in) operating activities	$	14		$	304		$	77		$	82		$	(25	)	$	—	$	452
Net cash used in investing activities	(13		)	(78		)	(82		)	(50		)	—			—		(223		)
Net cash (used in) provided by financing activities	(1		)	(227		)	2			(2		)	25			—		(203		)
Effect of foreign exchange rates	—			—			—			8			—			—		8
Net (decrease) increase in cash and cash equivalents	—			(1		)	(3		)	38			—			—		34
Cash and cash equivalents at beginning of period	—			5			3			161			—			—		169
Cash and cash equivalents at end of period	$	—		$	4		$	—		$	199		$	—		$	—	$	203

CONDENSED CONSOLIDATING CASH FLOW INFORMATION

For the Year Ended December 31, 2009

										Non-Guarantor Subsidiaries
	Parent			URNA			Guarantor Subsidiaries			Foreign			SPV			Eliminations		Total
Net cash provided by operating activities	$	26		$	180		$	22		$	70		$	140		$	—	$	438
Net cash (used in) provided by investing activities	(23		)	(50		)	(26		)	5			—			—		(94		)
Net cash (used in) provided by financing activities	(3		)	(125		)	3			(3		)	(140		)	—		(268		)
Effect of foreign exchange rate	—			—			—			16			—			—		16
Net increase (decrease) in cash and cash equivalents	—			5			(1		)	88			—			—		92
Cash and cash equivalents at beginning of period	—			—			4			73			—			—		77
Cash and cash equivalents at end of period	$	—		$	5		$	3		$	161		$	—		$	—	$	169

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Commitments and Contingencies (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Commitments and Contingencies Disclosure [Abstract]
Legal Fees	$ 19
Defined Contribution Plan, Cost Recognized	$ 6	$ 2	$ 2

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Debt (Tables)

12 Months Ended

Dec. 31, 2011

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

Debt consists of the following:

	December 31,
	2011			2010
URNA and subsidiaries debt:
Accounts Receivable Securitization Facility (1)	$	255		$	221
$1.80 billion ABL Facility (1)	810			683
10 7/8 percent Senior Notes	489			488
9  1/4 percent Senior Notes	493			492
8  3/8 percent Senior Subordinated Notes	750			750
1  7/8 percent Convertible Senior Subordinated Notes	22			22
Capital leases	39			25
Total URNA and subsidiaries debt	2,858			2,681
Holdings:
4 percent Convertible Senior Notes	129			124
Total debt (2)	2,987			2,805
Less short-term portion	(395		)	(229		)
Total long-term debt	$	2,592		$	2,576

(1) $929 and $7 were available under our ABL facility and accounts receivable securitization facility, respectively, at December 31, 2011. The ABL facility availability is reflected net of $50 of letters of credit. At December 31, 2011, the interest rates applicable to our ABL facility and accounts receivable securitization facility were 2.4 percent and 0.9 percent, respectively.

(2) In August 1998, a subsidiary trust of Holdings (the “Trust”) issued and sold $300 of 6 ¹/2 percent Convertible Quarterly Income Preferred Securities (“QUIPS”) in a private offering. The Trust used the proceeds from the offering to purchase 6 ¹/2 percent subordinated convertible debentures due 2028 (the “Debentures”), which resulted in Holdings receiving all of the net proceeds of the offering. The QUIPS are non-voting securities, carry a liquidation value of $50 (fifty dollars) per security and are convertible into Holdings’ common stock. Total long-term debt at December 31, 2011 and 2010 excludes $55 and $124 of these Debentures, respectively, which are separately classified in our consolidated balance sheets and referred to as “subordinated convertible debentures.” The subordinated convertible debentures reflect the obligation to our subsidiary that has issued the QUIPS. This subsidiary is not consolidated in our financial statements because we are not the primary beneficiary of the Trust. See note 13 (“Subordinated Convertible Debentures”) for additional detail.

Schedule of Extinguishment of Debt

A summary of our debt repurchase activity for the years ended December 31, 2011 and 2010 is as follows:

	Year ended December 31, 2011						Year ended December 31, 2010
	Repurchase price		Principal		Loss (1)		Repurchase price		Principal		Loss (1)
7 3/4  percent Senior Subordinated Notes (2)	$	—	$	—	$	—	$	490	$	484	$	(14	)
7 percent Senior Subordinated Notes (2)	—		—		—		267		261		(8		)
6  1/2 percent Senior Notes (2)	—		—		—		435		435		(4		)
1  7/8 percent Convertible Senior Subordinated Notes	—		—		—		93		93		(2		)
4 percent Convertible Senior Notes (3)	5		5		(*)		—		—		—
Total	$	5	$	5	$ (*)		$	1,285	$	1,273	$	(28	)

* Amount is insignificant (less than $1).

(1) The amount of the loss is calculated as the difference between the net carrying amount of the related security and the repurchase price. The net carrying amounts of the securities are less than the principal amounts due to capitalized debt issuance costs and any original issue discount. Aggregate costs of less than $1 and $16 were written off in the years ended December 31, 2011 and 2010, respectively, in connection with the repurchases/redemptions. The $16 of aggregate costs written off in the year ended December 31, 2010 was comprised of $12 of write-offs of debt issuance costs and a $4 write-off of a previously terminated derivative transaction. The losses are reflected in interest expense, net in our consolidated statements of income.

(2) Prior to December 31, 2010, we repurchased and retired the entire principal amounts of these debt securities, which are not reflected in our consolidated balance sheets as of December 31, 2011 and 2010.

(3) As discussed above, based on the price of our common stock during 2011, holders of the 4 percent Convertible Senior Notes had the right to convert the notes during each of the quarters in 2011. We paid a total of $12 to settle the $5 principal amount of the 4 percent Convertible Senior Notes that were settled in 2011. The $5 repurchase price represents the repurchase price for the debt component of the settled securities. In connection with the settlement, as discussed above, additional paid-in capital was reduced by $7, reflecting the excess of the cash transferred upon settlement over the $5 principal amount of the converted notes.

Schedule of Maturities of Long-term Debt

Maturities of the Company’s debt (exclusive of any unamortized original issue discount) for each of the next five years and thereafter at December 31, 2011 are as follows:

2012	$	266
2013	7
2014	7
2015	173
2016	1,312
Thereafter	1,279
Total	$	3,044

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Debt

12 Months Ended

Dec. 31, 2011

Debt Disclosure [Abstract]

Debt

Debt

Debt consists of the following:

	December 31,
	2011			2010
URNA and subsidiaries debt:
Accounts Receivable Securitization Facility (1)	$	255		$	221
$1.80 billion ABL Facility (1)	810			683
10 7/8 percent Senior Notes	489			488
9  1/4 percent Senior Notes	493			492
8  3/8 percent Senior Subordinated Notes	750			750
1  7/8 percent Convertible Senior Subordinated Notes	22			22
Capital leases	39			25
Total URNA and subsidiaries debt	2,858			2,681
Holdings:
4 percent Convertible Senior Notes	129			124
Total debt (2)	2,987			2,805
Less short-term portion	(395		)	(229		)
Total long-term debt	$	2,592		$	2,576

(1) $929 and $7 were available under our ABL facility and accounts receivable securitization facility, respectively, at December 31, 2011. The ABL facility availability is reflected net of $50 of letters of credit. At December 31, 2011, the interest rates applicable to our ABL facility and accounts receivable securitization facility were 2.4 percent and 0.9 percent, respectively.

(2) In August 1998, a subsidiary trust of Holdings (the “Trust”) issued and sold $300 of 6 ¹/2 percent Convertible Quarterly Income Preferred Securities (“QUIPS”) in a private offering. The Trust used the proceeds from the offering to purchase 6 ¹/2 percent subordinated convertible debentures due 2028 (the “Debentures”), which resulted in Holdings receiving all of the net proceeds of the offering. The QUIPS are non-voting securities, carry a liquidation value of $50 (fifty dollars) per security and are convertible into Holdings’ common stock. Total long-term debt at December 31, 2011 and 2010 excludes $55 and $124 of these Debentures, respectively, which are separately classified in our consolidated balance sheets and referred to as “subordinated convertible debentures.” The subordinated convertible debentures reflect the obligation to our subsidiary that has issued the QUIPS. This subsidiary is not consolidated in our financial statements because we are not the primary beneficiary of the Trust. See note 13 (“Subordinated Convertible Debentures”) for additional detail.

Short-term debt

As of December 31, 2011, our short-term debt primarily reflects $255 of borrowings under our accounts receivable securitization facility and $129 of 4 percent Convertible Senior Notes. The 4 percent Convertible Senior Notes mature in 2015, but are reflected as short-term debt because they are convertible at December 31, 2011. As discussed below, in September 2011, we amended our accounts receivable securitization facility. During the year ended December 31, 2011, the monthly average amount outstanding under the accounts receivable securitization facility, including the former and amended facilities, was $230 and the weighted-average interest rate thereon was 1.4 percent. The maximum month-end amount outstanding under the accounts receivable securitization facility during the year ended December 31, 2011, including the former and amended facilities, was $276.

Accounts Receivable Securitization Facility. In September 2011, we amended our accounts receivable securitization facility. The amended facility expires on September 26, 2012, and may be extended on a 364-day basis by mutual agreement of the Company and the purchasers under the facility. The amended facility provides for, among other things, (i) a decrease in the facility size from $325 to $300, (ii) adjustments to the receivables subject to purchase, (iii) generally lower borrowing costs, which are based on commercial paper rates plus a specified spread, and (iv) a commitment fee based on the utilization of the facility. Borrowings under the amended facility will continue to be reflected as short-term debt on our consolidated balance sheets. Key provisions of the amended facility include the following:

• borrowings are permitted only to the extent that the face amount of the receivables in the collateral pool, net of applicable reserves, exceeds the outstanding loans by a specified amount. As of December 31, 2011, there were $372 of receivables in the collateral pool;

• the receivables in the collateral pool are the lenders’ only source of repayment;

• upon early termination of the facility, no new amounts will be advanced under the facility and collections on the receivables securing the facility will be used to repay the outstanding borrowings; and

• standard termination events including, without limitation, a change of control of Holdings, URNA or certain of its subsidiaries, a failure to make payments, a failure to comply with standard default, delinquency, dilution and days sales outstanding covenants, or breach of certain financial ratio covenants under the ABL facility.

ABL Facility. In June 2008, Holdings, URNA, and certain of our subsidiaries entered into a credit agreement providing for a five-year $1.25 billion ABL facility, a portion of which is available for borrowing in Canadian dollars. In October 2008 and November 2009, the ABL facility was upsized to $1.285 billion and $1.36 billion, respectively. In October 2011, we amended the ABL facility. The amended facility, which expires on October 13, 2016, provides for, among other things, an increase in the facility size from $1.36 billion to $1.80 billion, an uncommitted incremental increase in the size of the facility of up to $500, and generally lower borrowing costs.

The ABL facility is subject to, among other things, the terms of a borrowing base derived from the value of eligible rental equipment and eligible inventory. The borrowing base is subject to certain reserves and caps customary for financings of this type. All amounts borrowed under the credit agreement must be repaid on or before October 2016. Loans under the credit agreement bear interest, at URNA’s option: (i) in the case of loans in U.S. dollars, at a rate equal to the London interbank offered rate or an alternate base rate, in each case plus a spread, or (ii) in the case of loans in Canadian dollars, at a rate equal to the Canadian prime rate or an alternate rate (Bankers Acceptance Rate), in each case plus a spread. The interest rates under the credit agreement are subject to change based on the availability in the facility. A commitment fee accrues on any unused portion of the commitments under the credit agreement at a rate per annum based on usage. Ongoing extensions of credit under the credit agreement are subject to customary conditions, including sufficient availability under the borrowing base. The credit agreement also contains covenants that, unless certain financial and other conditions are satisfied, require URNA to satisfy various financial tests and to maintain certain financial ratios. As discussed below (see “Loan Covenants and Compliance”), the only material financial covenants which currently exist relate to the fixed charge coverage ratio and the senior secured leverage ratio. Since the October 2011 amendment of the facility and through December 31, 2011, availability under the ABL facility has exceeded the required threshold and, as a result, these maintenance covenants have been inapplicable. In addition, the credit agreement contains customary negative covenants applicable to Holdings, URNA and our subsidiaries, including negative covenants that restrict the ability of such entities to, among other things, (i) incur additional indebtedness or engage in certain other types of financing transactions, (ii) allow certain liens to attach to assets, (iii) repurchase, or pay dividends or make certain other restricted payments on capital stock and certain other securities, (iv) prepay certain indebtedness and (v) make acquisitions and investments. The U.S. dollar borrowings under the credit agreement are secured by substantially all of our assets and substantially all of the assets of certain of our U.S. subsidiaries (other than real property and certain accounts receivable). The U.S. dollar borrowings under the credit agreement are guaranteed by Holdings and by URNA and, subject to certain exceptions, our domestic subsidiaries. Borrowings under the credit agreement by URNA’s Canadian subsidiaries are also secured by substantially all the assets of URNA’s Canadian subsidiaries and supported by guarantees from the Canadian subsidiaries and from Holdings and URNA, and, subject to certain exceptions, our domestic subsidiaries. Under the ABL facility, a change of control (as defined in the credit agreement) constitutes an event of default, entitling our lenders, among other things, to terminate our ABL facility and to require us to repay outstanding borrowings.

As of December 31, 2011, the ABL facility was our only long-term variable rate debt instrument. During the year ended December 31, 2011, the monthly average amount outstanding under the ABL facility, including the former and amended facilities, was $707, and the weighted-average interest rate thereon was 3.1 percent. The maximum month-end amount outstanding under the ABL facility during the year ended December 31, 2011, including the former and amended facilities, was $810.

10 ⁷/8 percent Senior Notes. In June 2009, URNA issued $500 aggregate principal amount of 10 ⁷/8 percent Senior Notes (the “10  ⁷/8 percent Notes”), which are due June 15, 2016. The net proceeds from the sale of the 10 ⁷/8 percent Notes were $471 (after deducting the initial purchasers’ discount and offering expenses). The 10 ⁷/8 percent Notes are unsecured and are guaranteed by Holdings and, subject to limited exceptions, URNA’s domestic subsidiaries. The 10 ⁷/8 percent Notes may be redeemed on or after June 15, 2013 at specified redemption prices that range from 105.438 percent in 2013 to 100.0 percent in 2015 and thereafter. The indenture governing the 10 ⁷/8 percent Notes contains certain restrictive covenants, including, among others, limitations on (i) indebtedness; (ii) restricted payments; (iii) liens; (iv) asset sales; (v) issuance of preferred stock of restricted subsidiaries; (vi) transactions with affiliates; (vii) dividend and other payment restrictions affecting restricted subsidiaries; (viii) designations of unrestricted subsidiaries; (ix) additional subsidiary guarantees and (x) mergers, consolidations or sales of substantially all of its assets. The indenture also requires that, in the event of a change of control (as defined in the indenture), URNA must make an offer to purchase all of the then outstanding 10  ⁷/8 percent Notes tendered at a purchase price in cash equal to 101 percent of the principal amount thereof plus accrued and unpaid interest, if any, thereon. The difference between the December 31, 2011 carrying value of the 10  ⁷/8 percent Notes and the $500 principal amount relates to the $11 unamortized portion of the original issue discount recognized in conjunction with the issuance of these notes, which is being amortized through the above maturity date. The effective interest rate on the 10 ⁷/8 percent Notes is 11.50 percent.

9  ¹/4 percent Senior Notes. In November 2009, URNA issued $500 aggregate principal amount of 9 ¹/4  percent Senior Notes (the “9 ¹/4 percent Notes”), which are due December 15, 2019. The net proceeds from the sale of the 9 ¹/4 percent Notes were $480 (after deducting the initial purchasers’ discount and offering expenses). The 9 ¹/4 percent Notes are unsecured and are guaranteed by Holdings and, subject to limited exceptions, URNA’s domestic subsidiaries. The 9 ¹/4 percent Notes may be redeemed on or after December 15, 2014 at specified redemption prices that range from 104.625 percent in 2014 to 100.0 percent in 2017 and thereafter. The indenture governing the 9 ¹/4 percent Notes contains certain restrictive covenants, including, among others, limitations on (i) indebtedness; (ii) restricted payments; (iii) liens; (iv) asset sales; (v) issuance of preferred stock of restricted subsidiaries; (vi) transactions with affiliates; (vii) dividend and other payment restrictions affecting restricted subsidiaries; (viii) designations of unrestricted subsidiaries; (ix) additional subsidiary guarantees and (x) mergers, consolidations or sales of substantially all of its assets. The indenture also requires that, in the event of a change of control (as defined in the indenture), URNA must make an offer to purchase all of the then outstanding 9 ¹/4 percent Notes tendered at a purchase price in cash equal to 101 percent of the principal amount thereof plus accrued and unpaid interest, if any, thereon. The difference between the December 31, 2011 carrying value of the 9 ¹/4  percent Notes and the $500 principal amount relates to the $7 unamortized portion of the original issue discount recognized in conjunction with the issuance of these notes, which is being amortized through the above maturity date. The effective interest rate on the 9 ¹/4 percent Notes is 9.50 percent.

8 ³/8 percent Senior Subordinated Notes. In October 2010, URNA issued $750 aggregate principal amount of 8 ³/8 percent Senior Subordinated Notes (the “8 ³/8 percent Notes”), which are due September 15, 2020. The net proceeds from the sale of the 8 ³/8 percent Notes were $732 (after deducting the initial purchasers’ discount and offering expenses). The 8 ³/8 percent Notes are unsecured and are guaranteed by Holdings and, subject to limited exceptions, URNA’s domestic subsidiaries. The 8 ³/8  percent Notes may be redeemed by URNA on or after September 15, 2015, at specified redemption prices that range from 104.188 percent in 2015 to 100.0 percent in 2018 and thereafter. The indenture governing the 8 ³/8 percent Notes contains certain restrictive covenants, including, among others, limitations on (i) additional indebtedness, (ii) restricted payments, (iii) liens, (iv) asset sales, (v) preferred stock of certain subsidiaries, (vi) transactions with affiliates, (vii) dividends and other payments, (viii) designations of unrestricted subsidiaries; (ix) additional subsidiary guarantees; and (x) mergers, consolidations or sales of substantially all of our assets. The indenture also requires that, in the event of a change of control (as defined in the indenture), URNA must make an offer to purchase all of the then outstanding 8 ³/8 percent Notes tendered at a purchase price in cash equal to 101 percent of the principal amount thereof plus accrued and unpaid interest, if any, thereon.

1  ⁷/8 percent Convertible Senior Subordinated Notes. In October and December 2003, URNA issued approximately $144 aggregate principal amount of 1 ⁷/8 percent Convertible Senior Subordinated Notes (the “1 ⁷/8 percent Convertible Notes”), which are due October 15, 2023. The net proceeds from the sale of the 1 ⁷/8 percent Convertible Notes were approximately $140, after deducting the initial purchasers’ discount and offering expenses. The 1 ⁷/8 percent Convertible Notes are unsecured and are guaranteed by Holdings. Holders of the 1 ⁷/8 percent Convertible Notes may convert them into shares of common stock of Holdings prior to their maturity at a current conversion price of approximately $21.83 per share (subject to further adjustment in certain circumstances), if (i) the price of Holdings’ common stock reaches a specific threshold, (ii) the 1 ⁷/8 percent Convertible Notes are called for redemption, (iii) specified corporate transactions occur or (iv) the trading price of the 1 ⁷/8 percent Convertible Notes falls below certain thresholds. The 1 ⁷/8 percent Convertible Notes mature on October 15, 2023. In October 2010, we redeemed $93 principal amount of the 1 ⁷/8 percent Convertible Notes following the exercise of a mandatory repurchase option by holders of the notes. Holders of the 1 ⁷/8 percent Convertible Notes may require URNA to repurchase all or a portion of the 1 ⁷/8 percent Convertible Notes in cash on each of October 15, 2013 and October 15, 2018 at 100 percent of the principal amount of the 1 ⁷/8 percent Convertible Notes to be repurchased. If the total $22 outstanding principal amount of the 1 ⁷/8 percent Convertible Notes was converted, the total cost to settle the notes would be $30, assuming a conversion price of $29.55 (the closing price of our common stock on December 31, 2011) per share of common stock. The total cost to settle would change approximately $1 for each $1 (actual dollars) change in our stock price. The 1 ⁷/8 percent Convertible Notes were not convertible at December 31, 2011.

4 percent Convertible Senior Notes. In November 2009, Holdings issued $173 aggregate principal amount of unsecured 4 percent Convertible Senior Notes (the “4 percent Convertible Notes”), which are due November 15, 2015. The net proceeds from the sale of the 4 percent Convertible Notes were approximately $167, after commissions, fees and expenses, but before the $26 cost of the convertible note hedge transactions described below. Holders of the 4 percent Convertible Notes may convert them into shares of Holdings’ common stock prior to the close of business on the business day immediately preceding May 15, 2015 (subject to earlier conversion in certain circumstances) at an initial conversion price of approximately $11.11 per share of common stock (subject to further adjustment in certain circumstances), if (i) the price of Holdings’ common stock reaches a specific threshold, (ii) the trading price of the 4 percent Convertible Notes falls below certain thresholds or (iii) specified corporate transactions occur. The difference between the December 31, 2011 carrying value of the 4 percent Convertible Notes and the outstanding principal amount of $168 reflects the $39 unamortized portion of the original issue discount recognized upon issuance of the notes, which is being amortized through the maturity date of November 15, 2015. Because the 4 percent Convertible Notes were convertible at December 31, 2011, an amount equal to the $39 unamortized portion of the original issue discount is separately classified in our consolidated balance sheets and referred to as “temporary equity.” Based on the price of our common stock during 2011, holders of the 4 percent Convertible Notes had the right to convert the notes during each of the quarters in 2011 at a conversion price of $11.11 per share of common stock. During the year ended December 31, 2011, $5 of the 4 percent Convertible Notes were converted. Upon the conversion of these notes, we received $1 from the hedge counterparties, and recognized a $1 increase in additional paid-in capital. Additionally, upon the conversion of these notes, additional paid-in capital was reduced by $7, reflecting the excess of the cash transferred upon settlement over the $5 principal amount of the converted notes. Based on the price of our common stock during the fourth quarter of 2011, holders of the 4 percent Convertible Notes have the right to convert the notes during the first quarter of 2012 at a conversion price of $11.11 per share of common stock. Between January 1, 2012 (the beginning of the first quarter) and January 23, 2012, none of the 4 percent Convertible Notes were converted.

If the total $168 outstanding principal amount of the 4 percent Convertible Notes was converted, the total cost to settle the notes would be $446, assuming a conversion price of $29.55 (the closing price of our common stock on December 31, 2011) per share of common stock. The $168 principal amount would be settled in cash, and the remaining $278 could be settled in cash, shares of our common stock, or a combination thereof, at our discretion. Based on the December 31, 2011 closing stock price, approximately 9 million shares of stock would be issued if we settled the entire $278 of conversion value in excess of the principal amount in stock. The total cost to settle would change approximately $15 for each $1 (actual dollars) change in our stock price. If the full principal amount was converted at our December 31, 2011 closing stock price, we estimate that we would receive approximately $40 in either cash or stock from the hedge counterparties, after which the effective conversion price would be approximately $13.78.

If Holdings undergoes a fundamental change (as defined in the indenture governing the 4 percent Convertible Notes), holders of the 4 percent Convertible Notes may require Holdings to repurchase all or any portion of their 4 percent Convertible Notes for cash at a price equal to 100 percent of the principal amount of the 4 percent Convertible Notes to be purchased plus any accrued and unpaid interest, including any additional interest, through but excluding the fundamental change purchase date. The difference between the December 31, 2011 carrying value of the 4 percent Convertible Notes and the $168 principal amount relates to the $39 unamortized portion of the original issue discount recognized in conjunction with the issuance of these notes, which is being amortized through the above maturity date. The original issue discount increased additional paid-in capital by $33, net of taxes, in our accompanying consolidated statements of stockholders’ equity (deficit), and represents the difference between the $173 of gross proceeds from the 4 percent Convertible Notes issuance and the fair value of the debt component of the 4 percent Convertible Notes at issuance. The effective interest rate on the debt component of the 4 percent Convertible Notes is 11.60 percent. Upon conversion of the 4 percent Convertible Notes, we pay cash for the principal amount of the note, and cash, shares of our common stock, or a combination thereof, at our discretion, for the portion of the conversion value that exceeds the principal amount of the note.

In connection with the 4 percent Convertible Notes offering, Holdings entered into convertible note hedge transactions with option counterparties. The convertible note hedge transactions cost $26, and decreased additional paid-in capital by $17, net of taxes, in our accompanying consolidated statements of stockholders’ equity (deficit). The convertible note hedge transactions cover, subject to anti-dilution adjustments, 15.1 million shares of our common stock. The convertible note hedge transactions are intended to reduce, subject to a limit, the potential dilution with respect to our common stock upon conversion of the 4 percent Convertible Notes. The effect of the convertible note hedge transactions is to increase the effective conversion price to $15.56 per share, equal to an approximately 75 percent premium over the $8.89 closing price of our common stock at issuance. The effective conversion price is subject to change in certain circumstances, such as if the 4 percent Convertible Notes are converted prior to May 15, 2015. In the event the market value of our common stock exceeds the effective conversion price per share, the settlement amount received from such transactions will only partially offset the potential dilution. For example, if, at the time of exercise of the conversion right, the price of our common stock was $30.00 or $35.00 per share, assuming an effective conversion price of $15.56 per share, on a net basis, we would issue 7.3 million or 8.4 million shares, respectively. Based on the price of our common stock during 2011, holders of the 4 percent Convertible Notes had the right to convert the notes during each of the quarters in 2011 at a conversion price of $11.11 per share of common stock. During the year ended December 31, 2011, $5 of the 4 percent Convertible Notes were converted at an effective conversion price of $13.70.

Retirement of Debt. During the years ended December 31, 2011 and 2010, we repurchased or redeemed and subsequently retired certain of our outstanding debt securities. In connection with these repurchases/redemptions, we recognized losses based on the difference between the net carrying amounts of the repurchased securities and the repurchase prices. A summary of our debt repurchase activity for the years ended December 31, 2011 and 2010 is as follows:

	Year ended December 31, 2011						Year ended December 31, 2010
	Repurchase price		Principal		Loss (1)		Repurchase price		Principal		Loss (1)
7 3/4  percent Senior Subordinated Notes (2)	$	—	$	—	$	—	$	490	$	484	$	(14	)
7 percent Senior Subordinated Notes (2)	—		—		—		267		261		(8		)
6  1/2 percent Senior Notes (2)	—		—		—		435		435		(4		)
1  7/8 percent Convertible Senior Subordinated Notes	—		—		—		93		93		(2		)
4 percent Convertible Senior Notes (3)	5		5		(*)		—		—		—
Total	$	5	$	5	$ (*)		$	1,285	$	1,273	$	(28	)

* Amount is insignificant (less than $1).

(1) The amount of the loss is calculated as the difference between the net carrying amount of the related security and the repurchase price. The net carrying amounts of the securities are less than the principal amounts due to capitalized debt issuance costs and any original issue discount. Aggregate costs of less than $1 and $16 were written off in the years ended December 31, 2011 and 2010, respectively, in connection with the repurchases/redemptions. The $16 of aggregate costs written off in the year ended December 31, 2010 was comprised of $12 of write-offs of debt issuance costs and a $4 write-off of a previously terminated derivative transaction. The losses are reflected in interest expense, net in our consolidated statements of income.

(2) Prior to December 31, 2010, we repurchased and retired the entire principal amounts of these debt securities, which are not reflected in our consolidated balance sheets as of December 31, 2011 and 2010.

(3) As discussed above, based on the price of our common stock during 2011, holders of the 4 percent Convertible Senior Notes had the right to convert the notes during each of the quarters in 2011. We paid a total of $12 to settle the $5 principal amount of the 4 percent Convertible Senior Notes that were settled in 2011. The $5 repurchase price represents the repurchase price for the debt component of the settled securities. In connection with the settlement, as discussed above, additional paid-in capital was reduced by $7, reflecting the excess of the cash transferred upon settlement over the $5 principal amount of the converted notes.

In addition to the loss in the table above, during the year ended December 31, 2011, we recognized a loss of $3 associated with the amendment of our ABL facility discussed above. This loss is reflected in interest expense, net in our consolidated statements of income and reflects the write-off of debt issuance costs associated with creditors of the former ABL facility that did not participate in the amended ABL facility.

Loan Covenants and Compliance

As of December 31, 2011, we were in compliance with the covenants and other provisions of the ABL facility, the accounts receivable securitization facility, the senior notes and the QUIPS. Any failure to be in compliance with any material provision or covenant of these agreements could have a material adverse effect on our liquidity and operations.

As discussed above, in October 2011, we amended the ABL facility. The only material financial covenants which currently exist relate to the fixed charge coverage ratio and the senior secured leverage ratio under the amended ABL facility. Since the October 2011 amendment of the facility and through December 31, 2011, availability under the ABL facility has exceeded the required threshold and, as a result, these maintenance covenants have been inapplicable. Subject to certain limited exceptions specified in the ABL facility, the fixed charge coverage ratio and the senior secured leverage ratio under the ABL facility will only apply in the future if availability under the ABL facility falls below the greater of 10 percent of the maximum revolver amount under the ABL facility and $150. As discussed above, in September 2011, we amended the accounts receivable securitization facility. Under the accounts receivable securitization facility, we are required, among other things, to maintain certain financial tests relating to: (i) the default ratio, (ii) the delinquency ratio, (iii) the dilution ratio and (iv) days sales outstanding.

Maturities

Maturities of the Company’s debt (exclusive of any unamortized original issue discount) for each of the next five years and thereafter at December 31, 2011 are as follows:

2012	$	266
2013	7
2014	7
2015	173
2016	1,312
Thereafter	1,279
Total	$	3,044

Our 4 percent Convertible Senior Notes mature in 2015, but are reflected as short-term debt in our consolidated balance sheet because they are convertible at December 31, 2011. The 4 percent Convertible Senior Notes are reflected in the table above based on the contractual maturity date in 2015.