CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash Flows From Operating Activities:
Net income	$ 836	$ 786
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,522	1,201
Amortization of deferred financing costs and original issue discounts	11	9
Gain on sales of rental equipment	(224)	(196)
Gain on sales of non-rental equipment	(3)	(4)
Gain on insurance proceeds from damaged equipment	(18)	(18)
Stock compensation expense, net	45	73
Merger related costs	1	14
Restructuring charge	16	15
Loss on repurchase/redemption of debt securities and amendment of ABL facility	32	0
Increase in deferred taxes	117	190
Changes in operating assets and liabilities, net of amounts acquired:
Increase in accounts receivable	(30)	(131)
Increase in inventory	(17)	(23)
(Increase) decrease in prepaid expenses and other assets	(21)	31
Increase in accounts payable	301	238
Increase (decrease) in accrued expenses and other liabilities	14	(62)
Net cash provided by operating activities	2,582	2,123
Cash Flows From Investing Activities:
Purchases of rental equipment	(1,974)	(1,962)
Purchases of non-rental equipment	(157)	(134)
Proceeds from sales of rental equipment	587	478
Proceeds from sales of non-rental equipment	26	13
Insurance proceeds from damaged equipment	18	18
Purchases of other companies, net of cash acquired	(247)	(805)
Purchases of investments	(2)	(1)
Net cash used in investing activities	(1,749)	(2,393)
Cash Flows From Financing Activities:
Proceeds from debt	6,125	7,062
Payments of debt	(6,269)	(6,464)
Proceeds from the exercise of common stock options	10	2
Common stock repurchased	(664)	(606)
Payments of financing costs	(18)	(1)
Net cash used in financing activities	(816)	(7)
Effect of foreign exchange rates	0	(10)
Net increase (decrease) in cash and cash equivalents	17	(287)
Cash and cash equivalents at beginning of period	43	352
Cash and cash equivalents at end of period	60	65
Supplemental disclosure of cash flow information:
Cash paid for income taxes, net	96	50
Cash paid for interest	$ 480	$ 379