Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Operating Activities:
Net income	$ 97	$ 149
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	62	70
Gain on sales of assets, net	(31)	(89)
Equity in earnings from investments in affiliates	(5)	(4)
Gain on foreign currency transactions		(1)
Other gain, net	(1)
Share-based compensation expense	4	4
Amortization of deferred financing costs	1	1
Distributions from unconsolidated affiliates	6	1
Deferred income taxes	(1)	(5)
Changes in operating assets and liabilities	(60)	(83)
Net cash provided by operating activities	72	43
Investing Activities:
Capital expenditures for property and equipment	(64)	(53)
Proceeds from asset dispositions, net	65	360
Insurance proceeds for property damage claims	1	18
Net cash provided by investing activities	2	325
Financing Activities:
Dividends paid	(201)	(119)
Distributions to noncontrolling interests	(3)
Tax withholdings on share-based compensation	(5)	(1)
Repurchase of common stock		(348)
Net cash used in financing activities	(209)	(468)
Effect of exchange rate changes on cash and cash equivalents and restricted cash		1
Net decrease in cash and cash equivalents and restricted cash	(135)	(99)
Cash and cash equivalents and restricted cash, beginning of period	425	379
Cash and cash equivalents and restricted cash, end of period	290	280
Non-cash financing activities:
Dividends declared but unpaid	$ 90	$ 86