CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash Flows From Operating Activities:
Net income	$ 451	$ 367
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	693	532
Amortization of deferred financing costs and original issue discounts	4	3
Gain on sales of rental equipment	(190)	(116)
Gain on sales of non-rental equipment	(4)	(2)
Insurance proceeds from damaged equipment	(9)	(7)
Stock compensation expense, net	24	24
Restructuring charge	1	0
Increase in deferred taxes	35	37
Changes in operating assets and liabilities, net of amounts acquired:
(Increase) decrease in accounts receivable	(13)	76
Increase in inventory	(2)	(13)
Decrease in prepaid expenses and other assets	125	61
(Decrease) increase in accounts payable	(25)	10
Decrease in accrued expenses and other liabilities	(151)	(86)
Net cash provided by operating activities	939	886
Cash Flows From Investing Activities:
Purchases of rental equipment	(797)	(482)
Purchases of non-rental equipment and intangible assets	(73)	(55)
Proceeds from sales of rental equipment	388	211
Proceeds from sales of non-rental equipment	12	5
Insurance proceeds from damaged equipment	9	7
Purchases of other companies, net of cash acquired	(299)	(77)
Purchases of investments	0	(3)
Net cash used in investing activities	(760)	(394)
Cash Flows From Financing Activities:
Proceeds from debt	2,330	1,155
Payments of debt	(2,110)	(1,372)
Common stock repurchased, including tax withholdings for share based compensation	(303)	(318)
Dividends paid	(103)	0
Net cash used in financing activities	(186)	(535)
Effect of foreign exchange rates	0	0
Net decrease in cash and cash equivalents	(7)	(43)
Cash and cash equivalents at beginning of period	106	144
Cash and cash equivalents at end of period	99	101
Supplemental disclosure of cash flow information:
Cash paid for income taxes, net	29	10
Cash paid for interest	$ 178	$ 149