Condensed Consolidated Statements Of Cash Flows (USD $) In Millions	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Cash Flows From Operating Activities:
Net income (loss)	$ 7	$ (28)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	228	220
Amortization of deferred financing costs and original issue discounts	11	11
Gain on sales of rental equipment	(27)	(20)
Gain on sales of non-rental equipment	(1)	(1)
Stock compensation expense, net	6	4
Restructuring charge	3	12
Loss on repurchase/redemption of debt securities		3
Loss on retirement of subordinated convertible debentures	1
Decrease in deferred taxes	(4)	(47)
Changes in operating assets and liabilities:
Increase in accounts receivable	(15)	(7)
Increase in inventory	(30)	(16)
(Increase) decrease in prepaid expenses and other assets	(15)	55
Increase in accounts payable	147	61
Decrease in accrued expenses and other liabilities	(15)	(28)
Net cash provided by operating activities	296	219
Cash Flows From Investing Activities:
Purchases of rental equipment	(412)	(174)
Purchases of non-rental equipment	(13)	(12)
Proceeds from sales of rental equipment	73	72
Proceeds from sales of non-rental equipment	8	3
Purchases of other companies	(143)
Net cash used in investing activities	(487)	(111)
Cash Flows From Financing Activities:
Proceeds from debt	1,107	1,090
Payments of debt, including subordinated convertible debentures	(1,082)	(1,332)
Proceeds from the exercise of common stock options	30
Shares repurchased and retired	(7)	(1)
Cash paid in connection with the 4 percent Convertible Senior Notes and related hedge, net	(9)
Excess tax benefits from share-based payment arrangements, net		(1)
Net cash provided by (used in) financing activities	39	(244)
Effect of foreign exchange rates	7	(3)
Net decrease in cash and cash equivalents	(145)	(139)
Cash and cash equivalents at beginning of period	203	169
Cash and cash equivalents at end of period	58	30
Supplemental disclosure of cash flow information:
Cash paid (received) for income taxes, net	16	(50)
Cash paid for interest, including subordinated convertible debentures	$ 98	$ 121