CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
REVENUES
Base management fees	$ 269	$ 180	$ 818	$ 538
Franchise fees	426	290	1,207	813
Incentive management fees	136	81	437	276
Management and franchise fees	831	551	2,462	1,627
Owned, leased, and other revenue	452	239	1,349	650
Cost reimbursements	4,380	3,152	13,208	9,339
Revenues	5,663	3,942	17,019	11,616
OPERATING COSTS AND EXPENSES
Owned, leased, and other - direct	356	194	1,069	533
Reimbursed costs	4,380	3,152	13,208	9,339
Depreciation, amortization, and other	68	36	218	97
General, administrative, and other	199	161	635	470
Merger-related costs and charges	28	228	100	250
Costs and Expenses, Total	5,031	3,771	15,230	10,689
OPERATING INCOME	632	171	1,789	927
Gains and other income, net	6	3	31	3
Interest expense	(73)	(55)	(216)	(159)
Interest income	9	9	24	22
Equity in earnings	6	3	29	8
INCOME BEFORE INCOME TAXES	580	131	1,657	801
Provision for income taxes	(188)	(61)	(486)	(265)
NET INCOME	$ 392	$ 70	$ 1,171	$ 536
EARNINGS PER SHARE
Earnings per share - basic (in USD per share)	$ 1.05	$ 0.26	$ 3.09	$ 2.08
Earnings per share - diluted (in USD per share)	1.04	0.26	3.06	2.04
CASH DIVIDENDS DECLARED PER SHARE (in USD per share)	$ 0.33	$ 0.30	$ 0.96	$ 0.85