CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
ASSETS
Cash and cash equivalents	$ 336	$ 202
Accounts receivable, net of allowance for doubtful accounts of $112 at June 30, 2021 and $108 at December 31, 2020	1,400	1,315
Inventory	174	125
Prepaid expenses and other assets	244	375
Total current assets	2,154	2,017
Goodwill	5,845	5,168
Other intangible assets, net	576	648
Operating lease right-of-use assets	781	688
Other long-term assets	42	38
Total assets	19,641	17,868
LIABILITIES AND STOCKHOLDERS’ EQUITY
Short-term debt and current maturities of long-term debt	852	704
Accounts payable	897	466
Accrued expenses and other liabilities	795	720
Total current liabilities	2,544	1,890
Long-term debt	9,308	8,978
Deferred taxes	1,911	1,768
Operating lease liabilities	630	549
Other long-term liabilities	154	138
Total liabilities	14,547	13,323
Common stock—$0.01 par value, 500,000,000 shares authorized, 114,400,388 and 72,386,879 shares issued and outstanding, respectively, at June 30, 2021 and 114,210,157 and 72,196,648 shares issued and outstanding, respectively, at December 31, 2020	1	1
Additional paid-in capital	2,506	2,482
Retained earnings	6,661	6,165
Treasury stock at cost—42,013,509 shares at June 30, 2021 and December 31, 2020	(3,957)	(3,957)
Accumulated other comprehensive loss	(117)	(146)
Total stockholders’ equity	5,094	4,545
Total liabilities and stockholders’ equity (deficit)	19,641	17,868
Rental equipment, net
ASSETS
Equipment	9,620	8,705
Property and equipment, net
ASSETS
Equipment	$ 623	$ 604