Consolidated Statements Of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Operating activities
Net income	$ 163	$ 313	$ 245
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Vehicle depreciation	1,877	1,837	1,840
Gain on sale of vehicles, net	(10)	(60)	(7)
Non-vehicle related depreciation and amortization	253	218	180
Deferred income taxes	51	58	65
Stock-based compensation	27	28	25
Amortization of debt financing fees	37	42	41
Early extinguishment of debt costs	27	23	56
Net change in assets and liabilities, excluding the impact of acquisitions and dispositions:
Receivables	(65)	(42)	(60)
Income taxes	5	(18)	37
Accounts payable and other current liabilities	(9)	(79)	(3)
Other, net	273	264	160
Net cash provided by operating activities	2,629	2,584	2,579
Investing activities
Property and equipment additions	(190)	(199)	(182)
Proceeds received on asset sales	19	15	21
Net assets acquired (net of cash acquired)	(55)	(256)	(416)
Other, net	3	6	(11)
Net cash used in investing activities exclusive of vehicle programs	(223)	(434)	(588)
Vehicle programs:
Decrease (increase) in program cash	31	(148)	(10)
Investment in vehicles	(12,461)	(11,928)	(11,875)
Proceeds received on disposition of vehicles	10,504	9,680	9,666
Net Cash Used In Investing Activities Of Vehicle Programs	(1,926)	(2,396)	(2,219)
Net cash used in investing activities	(2,149)	(2,830)	(2,807)
Financing activities
Proceeds from long-term borrowings	894	377	871
Payments on long-term borrowings	(847)	(301)	(762)
Net change in short-term borrowings	4	(22)	5
Debt financing fees	(20)	(7)	(17)
Repurchases of common stock	(387)	(393)	(297)
Other, net	0	(7)	0
Net cash used in financing activities exclusive of vehicle programs	(356)	(353)	(200)
Vehicle programs:
Proceeds from borrowings	15,769	14,138	14,373
Payments on borrowings	(15,826)	(13,648)	(13,963)
Debt financing fees	(25)	(22)	(28)
Net cash provided by financing activities of vehicle programs	(82)	468	382
Net cash provided by (used in) financing activities	(438)	115	182
Effect of changes in exchange rates on cash and cash equivalents	(4)	(41)	(23)
Net increase (decrease) in cash and cash equivalents	38	(172)	(69)
Cash and cash equivalents, beginning of period	452	624	693
Cash and cash equivalents, end of period	490	452	624
Supplemental Disclosure
Interest payments	461	454	474
Income tax payments, net	$ 60	$ 29	$ 45