CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenues:
Revenues	$ 2,287	$ 1,939	$ 4,344	$ 4,064
Cost of revenues:
Cost of equipment rentals, excluding depreciation	815	647	1,530	1,394
Depreciation of rental equipment	385	395	760	821
Total cost of revenues	1,412	1,238	2,755	2,636
Gross profit	875	701	1,589	1,428
Selling, general and administrative expenses	301	222	551	489
Merger related costs	3	0	3	0
Restructuring charge	0	3	1	5
Non-rental depreciation and amortization	90	95	181	195
Operating income (loss)	481	381	853	739
Interest expense, net	100	130	199	266
Other expense (income), net	4	0	2	(4)
Income before provision for income taxes	377	251	652	477
Provision for income taxes	84	39	156	92
Net income	$ 293	$ 212	$ 496	$ 385
Basic earnings per share (in dollars per share)	$ 4.03	$ 2.94	$ 6.85	$ 5.26
Diluted earnings per share (in dollars per share)	$ 4.02	$ 2.93	$ 6.82	$ 5.25
Equipment rentals
Revenues:
Revenues	$ 1,951	$ 1,642	$ 3,618	$ 3,425
Sales of rental equipment
Revenues:
Revenue from contract with customer	194	176	461	384
Cost of revenues:
Cost of goods and services sold	110	105	274	230
Sales of new equipment
Revenues:
Revenue from contract with customer	57	53	106	115
Cost of revenues:
Cost of goods and services sold	48	46	90	100
Contractor supplies sales
Revenues:
Revenue from contract with customer	27	23	51	48
Cost of revenues:
Cost of goods and services sold	19	16	36	34
Service and other revenues
Revenues:
Revenue from contract with customer	58	45	108	92
Cost of revenues:
Cost of goods and services sold	$ 35	$ 29	$ 65	$ 57