CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Cash Flows From Operating Activities:
Net income	$ 1,174	$ 1,096	$ 1,346
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	2,038	1,671	1,383
Amortization of deferred financing costs and original issue discounts	15	12	9
Gain on sales of rental equipment	(313)	(278)	(220)
Gain on sales of non-rental equipment	(6)	(6)	(4)
Gain on insurance proceeds from damaged equipment	(24)	(22)	(21)
Stock compensation expense, net	61	102	87
Merger related costs	1	36	50
Restructuring charge	18	31	50
Loss on repurchase/redemption of debt securities and amendment of ABL facility	61	0	54
Increase (decrease) in deferred taxes (note 14)	204	257	(533)
Changes in operating assets and liabilities:
Decrease (increase) in accounts receivable	39	(115)	(184)
(Increase) decrease in inventory	(8)	(20)	1
(Increase) decrease in prepaid expenses and other assets	(59)	75	(20)
(Decrease) increase in accounts payable	(86)	49	141
(Decrease) increase in accrued expenses and other liabilities	(91)	(35)	70
Net cash provided by operating activities	3,024	2,853	2,209
Cash Flows From Investing Activities:
Purchases of rental equipment	(2,132)	(2,106)	(1,769)
Purchases of non-rental equipment	(218)	(185)	(120)
Proceeds from sales of rental equipment	831	664	550
Proceeds from sales of non-rental equipment	37	23	16
Insurance proceeds from damaged equipment	24	22	21
Purchases of other companies, net of cash acquired	(249)	(2,966)	(2,377)
Purchases of investments	(3)	(3)	(5)
Net cash used in investing activities	(1,710)	(4,551)	(3,684)
Cash Flows From Financing Activities:
Proceeds from debt	9,260	12,178	11,801
Payments of debt	(9,678)	(9,942)	(10,207)
Payments of financing costs	(28)	(24)	(44)
Proceeds from the exercise of common stock options	11	2	3
Common stock repurchased	(870)	(817)	(56)
Net cash (used in) provided by financing activities	(1,305)	1,397	1,497
Effect of foreign exchange rates	0	(8)	18
Net increase (decrease) in cash and cash equivalents	9	(309)	40
Cash and cash equivalents at beginning of year	43	352	312
Cash and cash equivalents at end of year	52	43	352
Supplemental disclosure of cash flow information:
Cash paid for interest	581	455	357
Cash paid for income taxes, net	$ 238	$ 71	$ 205