CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Cash Flows From Operating Activities:
Net income	$ 453	$ 250
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	783	640
Amortization of deferred financing costs and original issue discounts	6	4
Gain on sales of rental equipment	(139)	(98)
Gain on sales of non-rental equipment	(3)	(3)
Gain on insurance proceeds from damaged equipment	(14)	(8)
Stock compensation expense, net	43	40
Merger related costs	3	16
Restructuring charge	6	19
Loss on repurchase/redemption of debt securities and amendment of ABL facility	0	12
Increase in deferred taxes	93	40
Changes in operating assets and liabilities, net of amounts acquired:
Decrease (increase) in accounts receivable	29	(16)
Increase in inventory	(19)	(5)
Decrease (increase) in prepaid expenses and other assets	25	(7)
Increase in accounts payable	451	429
(Decrease) increase in accrued expenses and other liabilities	(68)	16
Net cash provided by operating activities	1,649	1,329
Cash Flows From Investing Activities:
Purchases of rental equipment	(1,226)	(913)
Purchases of non-rental equipment	(80)	(55)
Proceeds from sales of rental equipment	338	239
Proceeds from sales of non-rental equipment	8	6
Insurance proceeds from damaged equipment	14	8
Purchases of other companies, net of cash acquired	(58)	(965)
Purchases of investments	(1)	(4)
Net cash used in investing activities	(1,005)	(1,684)
Cash Flows From Financing Activities:
Proceeds from debt	4,330	3,943
Payments of debt	(4,806)	(3,543)
Proceeds from the exercise of common stock options	2	1
Common stock repurchased	(395)	(24)
Payments of financing costs	(1)	(7)
Net cash (used in) provided by financing activities	(870)	370
Effect of foreign exchange rates	(9)	11
Net (decrease) increase in cash and cash equivalents	(235)	26
Cash and cash equivalents at beginning of period	352	312
Cash and cash equivalents at end of period	117	338
Supplemental disclosure of cash flow information:
Cash paid for income taxes, net	39	59
Cash paid for interest	$ 213	$ 177