CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2020	Mar. 31, 2019
OPERATING ACTIVITIES
Net income		$ 31	$ 375
Adjustments to reconcile to cash provided by operating activities:
Depreciation, amortization, and other		175	68
Share-based compensation		41	40
Income taxes		(71)	(7)
Contract acquisition costs		(39)	(56)
Merger-related charges		(12)	(10)
Working capital changes		245	(401)
Gain on asset dispositions		0	(4)
Other		18	94
Net cash provided by operating activities		514	151
INVESTING ACTIVITIES
Capital expenditures		(59)	(66)
Dispositions		260	2
Loan advances		(32)	0
Loan collections		4	4
Other		(8)	(28)
Net cash provided by (used in) investing activities		165	(88)
FINANCING ACTIVITIES
Commercial paper/Credit Facility, net		1,317	665
Issuance of long-term debt		0	841
Repayment of long-term debt		(66)	(603)
Issuance of Class A Common Stock		0	5
Dividends paid		(156)	(139)
Purchase of treasury stock		(150)	(797)
Share-based compensation withholding taxes		(95)	(95)
Net cash provided by (used in) financing activities		850	(123)
INCREASE (DECREASE) IN CASH, CASH EQUIVALENTS, AND RESTRICTED CASH		1,529	(60)
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH, beginning of period	[1]	253	360
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH, end of period	[1]	1,782	300
Liability for guest loyalty program
Adjustments to reconcile to cash provided by operating activities:
Liability for guest loyalty program		$ 126	$ 52

[1] The 2020 amounts include beginning restricted cash of $28 million at December 31, 2019, and ending restricted cash of $22 million at March 31, 2020, which we present in the “Prepaid expenses and other” and “Other noncurrent assets” captions of our Balance Sheets.