CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions		6 Months Ended
		Jun. 30, 2019	Jun. 30, 2018
OPERATING ACTIVITIES
Net income		$ 607	$ 1,087
Adjustments to reconcile to cash provided by operating activities:
Depreciation, amortization, and other		139	143
Share-based compensation		90	93
Income taxes		(102)	(170)
Contract acquisition costs		(93)	(71)
Merger-related charges		142	(23)
Working capital changes		(379)	(166)
Gain on asset dispositions		(6)	(173)
Other		114	49
Net cash provided by (used in) operating activities		738	1,129
INVESTING ACTIVITIES
Capital expenditures		(142)	(388)
Dispositions		2	436
Loan advances		(10)	(13)
Loan collections		6	29
Other		(30)	50
Net cash (used in) provided by investing activities		(174)	114
FINANCING ACTIVITIES
Commercial paper/Credit Facility, net		823	707
Issuance of long-term debt		841	443
Repayment of long-term debt		(617)	(387)
Issuance of Class A Common Stock		6	4
Dividends paid		(298)	(262)
Purchase of treasury stock		(1,228)	(1,673)
Share-based compensation withholding taxes		(123)	(101)
Other		(8)	0
Net cash provided by (used in) financing activities		(604)	(1,269)
(DECREASE) INCREASE IN CASH, CASH EQUIVALENTS, AND RESTRICTED CASH		(40)	(26)
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH, beginning of period	[1]	360	429
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH, end of period	[1]	320	403
Liability for guest loyalty program
Adjustments to reconcile to cash provided by operating activities:
Liability for guest loyalty program		$ 226	$ 360

[1] The 2019 amounts include beginning restricted cash of $44 million at December 31, 2018, and ending restricted cash of $36 million at June 30, 2019, which we present in the “Prepaid expenses and other” and “Other noncurrent assets” captions of our Balance Sheets.