CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
ASSETS
Cash and cash equivalents	$ 278	$ 202
Accounts receivable, net of allowance for doubtful accounts of $104 at March 31, 2021 and $108 at December 31, 2020	1,254	1,315
Inventory	114	125
Prepaid expenses and other assets	358	375
Total current assets	2,004	2,017
Goodwill	5,167	5,168
Other intangible assets, net	592	648
Operating lease right-of-use assets	681	688
Other long-term assets	38	38
Total assets	17,542	17,868
LIABILITIES AND STOCKHOLDERS’ EQUITY
Short-term debt and current maturities of long-term debt	585	704
Accounts payable	562	466
Accrued expenses and other liabilities	694	720
Total current liabilities	1,841	1,890
Long-term debt	8,497	8,978
Deferred taxes	1,773	1,768
Operating lease liabilities	541	549
Other long-term liabilities	145	138
Total liabilities	12,797	13,323
Common stock—$0.01 par value, 500,000,000 shares authorized, 114,388,860 and 72,375,351 shares issued and outstanding, respectively, at March 31, 2021 and 114,210,157 and 72,196,648 shares issued and outstanding, respectively, at December 31, 2020	1	1
Additional paid-in capital	2,473	2,482
Retained earnings	6,368	6,165
Treasury stock at cost—42,013,509 shares at March 31, 2021 and December 31, 2020	(3,957)	(3,957)
Accumulated other comprehensive loss	(140)	(146)
Total stockholders’ equity	4,745	4,545
Total liabilities and stockholders’ equity (deficit)	17,542	17,868
Rental equipment, net
ASSETS
Equipment	8,476	8,705
Property and equipment, net
ASSETS
Equipment	$ 584	$ 604