CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash Flows From Operating Activities:
Net income	$ 2,105	$ 1,386	$ 890
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	2,217	1,983	1,988
Amortization of deferred financing costs and original issue discounts	13	13	14
Gain on sales of rental equipment	(566)	(431)	(332)
Gain on sales of non-rental equipment	(9)	(10)	(8)
Insurance proceeds from damaged equipment	(32)	(25)	(40)
Stock compensation expense, net	127	119	70
Merger related costs	0	3	0
Restructuring charge	0	2	17
Loss on repurchase/redemption of debt securities	17	30	183
Increase (decrease) in deferred taxes	537	268	(121)
Changes in operating assets and liabilities, net of amounts acquired:
(Increase) decrease in accounts receivable	(329)	(300)	218
(Increase) decrease in inventory	(25)	9	(5)
(Increase) decrease in prepaid expenses and other assets	(164)	248	(228)
Increase in accounts payable	304	307	10
Increase in accrued expenses and other liabilities	238	87	2
Net cash provided by operating activities	4,433	3,689	2,658
Cash Flows From Investing Activities:
Purchases of rental equipment	(3,436)	(2,998)	(961)
Purchases of non-rental equipment and intangible assets	(254)	(200)	(197)
Proceeds from sales of rental equipment	965	968	858
Proceeds from sales of non-rental equipment	24	30	42
Insurance proceeds from damaged equipment	32	25	40
Purchases of other companies, net of cash acquired	(2,340)	(1,436)	(2)
Purchases of investments	(7)	0	(3)
Net cash used in investing activities	(5,016)	(3,611)	(223)
Cash Flows From Financing Activities:
Proceeds from debt	9,885	8,364	9,260
Payments of debt	(8,241)	(8,462)	(11,245)
Payments of financing costs	(24)	(8)	(23)
Proceeds from the exercise of common stock options	0	0	1
Common stock repurchased, including tax withholdings for share based compensation	(1,068)	(34)	(286)
Net cash provided by (used in) financing activities	552	(140)	(2,293)
Effect of foreign exchange rates	(7)	4	8
Net (decrease) increase in cash and cash equivalents	(38)	(58)	150
Cash and cash equivalents at beginning of year	144	202	52
Cash and cash equivalents at end of year	106	144	202
Supplemental disclosure of cash flow information:
Cash paid for interest	406	391	483
Cash paid for income taxes, net	$ 326	$ 202	$ 318