CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
REVENUES
Revenues	$ 5,305	$ 5,409	$ 10,317	$ 10,418
OPERATING COSTS AND EXPENSES
Depreciation, amortization, and other	56	58	110	112
General, administrative, and other	229	217	451	464
Merger-related costs and charges	173	18	182	52
Costs and expenses	4,896	4,591	9,398	9,070
OPERATING INCOME	409	818	919	1,348
Gains and other income, net	1	114	6	173
Interest expense	(102)	(85)	(199)	(160)
Interest income	6	6	12	11
Equity in earnings	0	21	8	34
INCOME BEFORE INCOME TAXES	314	874	746	1,406
Provision for income taxes	(82)	(207)	(139)	(319)
NET INCOME	$ 232	$ 667	$ 607	$ 1,087
EARNINGS PER SHARE
Earnings per share - basic (in USD per share)	$ 0.70	$ 1.89	$ 1.80	$ 3.06
Earnings per share - diluted (in USD per share)	$ 0.69	$ 1.87	$ 1.79	$ 3.02
Base management fees
REVENUES
Gross revenues	$ 309	$ 300	$ 591	$ 573
Franchise fees
REVENUES
Gross revenues	525	475	975	892
Incentive management fees
REVENUES
Gross revenues	165	176	328	331
Fee revenues
REVENUES
Gross revenues	999	951	1,894	1,796
Contract investment amortization	(15)	(13)	(29)	(31)
Revenues	984	938	1,865	1,765
Owned, leased, and other
REVENUES
Revenues	418	423	793	829
OPERATING COSTS AND EXPENSES
Operating costs	331	334	656	670
Reimbursements
REVENUES
Revenues	3,903	4,048	7,659	7,824
OPERATING COSTS AND EXPENSES
Operating costs	$ 4,107	$ 3,964	$ 7,999	$ 7,772