CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
OPERATING ACTIVITIES
Net income	$ 779	$ 466
Adjustments to reconcile to cash provided by operating activities:
Depreciation, amortization, and other	150	61
Share-based compensation	95	59
Income taxes	96	61
Liability for guest loyalty programs	204	131
Merger-related charges	(98)	0
Working capital changes	(6)	19
Other	82	65
Net cash provided by operating activities	1,302	862
INVESTING ACTIVITIES
Capital expenditures	(104)	(78)
Dispositions	482	53
Loan advances	(48)	(24)
Loan collections	10	2
Contract acquisition costs	(91)	(37)
Other	(16)	12
Net cash provided by (used in) investing activities	233	(72)
FINANCING ACTIVITIES
Commercial paper/Credit facility, net	105	(941)
Issuance of long-term debt	1	1,483
Repayment of long-term debt	(301)	(294)
Issuance of Class A Common Stock	3	16
Dividends paid	(240)	(140)
Purchase of treasury stock	(1,328)	(249)
Other	(135)	(82)
Net cash used in financing activities	(1,895)	(207)
(DECREASE) INCREASE IN CASH AND EQUIVALENTS	(360)	583
CASH AND EQUIVALENTS, beginning of period	858	96
CASH AND EQUIVALENTS, end of period	$ 498	$ 679