CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017
OPERATING ACTIVITIES
Net income	$ 1,008	$ 860
Adjustments to reconcile to cash provided by operating activities:
Depreciation, amortization, and other	143	145
Share-based compensation	93	95
Income taxes	(198)	148
Contract acquisition costs	(71)	(89)
Merger-related charges	(23)	(98)
Working capital changes	(241)	(113)
Gain on asset dispositions	(173)	(24)
Other	49	78
Net cash provided by (used in) operating activities	1,129	1,186
INVESTING ACTIVITIES
Capital expenditures	(388)	(104)
Dispositions	436	482
Loan advances	(13)	(48)
Loan collections	29	10
Other	50	(17)
Net cash provided by investing activities	114	323
FINANCING ACTIVITIES
Commercial paper/Credit Facility, net	707	119
Issuance of long-term debt	443	1
Repayment of long-term debt	(387)	(301)
Issuance of Class A Common Stock	4	3
Dividends paid	(262)	(240)
Purchase of treasury stock	(1,673)	(1,328)
Share-based compensation withholding taxes	(101)	(135)
Net cash provided by (used in) financing activities	(1,269)	(1,881)
DECREASE IN CASH, CASH EQUIVALENTS, AND RESTRICTED CASH	(26)	(372)
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH, beginning of period	429	887
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH, end of period	403	515
Liability for guest loyalty programs
Adjustments to reconcile to cash provided by operating activities:
Liability for guest loyalty programs	$ 542	$ 184

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The non-cash component of income tax expense, less the tax benefit from exercise of stock options.

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Amount of expense (income) related to the increase (decrease) in reserve for business combination costs. Includes, but is not limited to, legal, accounting, and other costs incurred to consummate the merger.

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Other cash or noncash adjustments to reconcile net income to cash provided by (used in) operating activities that are not separately disclosed in the statement of cash flows (for example, cash received or cash paid during the current period for miscellaneous operating activities, net change during the reporting period in other assets or other liabilities).

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Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

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Amount of cash outflow to satisfy an employee's income tax withholding obligation as part of a net-share settlement of a share-based award.

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