CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
OPERATING ACTIVITIES
Net income	$ 1,171	$ 536
Adjustments to reconcile to cash provided by operating activities:
Depreciation, amortization, and other	218	97
Share-based compensation	139	117
Income taxes	73	1
Liability for guest loyalty programs	236	179
Merger-related charges	(117)	172
Working capital changes	98	27
Other	98	77
Net cash provided by operating activities	1,916	1,206
INVESTING ACTIVITIES
Acquisition of a business, net of cash acquired	0	(2,412)
Capital expenditures	(155)	(132)
Dispositions	482	53
Loan advances	(85)	(24)
Loan collections	91	61
Contract acquisition costs	(129)	(55)
Other	(14)	22
Net cash provided by (used in) investing activities	190	(2,487)
FINANCING ACTIVITIES
Commercial paper/Credit facility, net	455	1,657
Issuance of long-term debt	1	1,483
Repayment of long-term debt	(305)	(296)
Issuance of Class A Common Stock	4	22
Dividends paid	(362)	(257)
Purchase of treasury stock	(2,105)	(248)
Share-based compensation withholding taxes	(144)	(74)
Other	0	(24)
Net cash (used in) provided by financing activities	(2,456)	2,263
(DECREASE) INCREASE IN CASH AND EQUIVALENTS	(350)	982
CASH AND EQUIVALENTS, beginning of period	858	96
CASH AND EQUIVALENTS, end of period	$ 508	$ 1,078