CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenues:
Revenues	$ 3,554	$ 2,771	$ 6,839	$ 5,295
Cost of revenues:
Cost of equipment rentals, excluding depreciation	1,216	1,002	2,378	1,908
Depreciation of rental equipment	592	457	1,167	892
Total cost of revenues	2,129	1,621	4,173	3,153
Gross profit	1,425	1,150	2,666	2,142
Selling, general and administrative expenses	378	343	760	666
Restructuring charge	18	1	19	1
Non-rental depreciation and amortization	104	91	222	188
Operating income (loss)	925	715	1,665	1,287
Interest expense, net	161	113	311	207
Other income, net	(8)	(6)	(12)	(11)
Income before provision for income taxes	772	608	1,366	1,091
Provision for income taxes	181	115	324	231
Net income	$ 591	$ 493	$ 1,042	$ 860
Basic earnings per share (in dollars per share)	$ 8.60	$ 6.91	$ 15.09	$ 11.97
Diluted earnings per share (in dollars per share)	$ 8.58	$ 6.90	$ 15.04	$ 11.93
Equipment rentals
Revenues:
Revenues	$ 2,981	$ 2,462	$ 5,721	$ 4,637
Sales of rental equipment
Revenues:
Revenues	382	164	770	375
Cost of revenues:
Cost of goods and services sold	186	67	384	162
Sales of new equipment
Revenues:
Revenues	70	38	114	83
Cost of revenues:
Cost of goods and services sold	58	31	94	68
Contractor supplies sales
Revenues:
Revenues	37	33	71	62
Cost of revenues:
Cost of goods and services sold	26	23	50	43
Service and other revenues
Revenues:
Revenues	84	74	163	138
Cost of revenues:
Cost of goods and services sold	$ 51	$ 41	$ 100	$ 80