CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
REVENUES
Base management fees	$ 186	$ 191	$ 358	$ 356
Franchise fees	235	221	442	425
Incentive management fees	94	81	195	170
Owned, leased, and other revenue	245	243	492	500
Cost reimbursements	3,142	2,953	6,187	5,751
Revenues	3,902	3,689	7,674	7,202
OPERATING COSTS AND EXPENSES
Owned, leased, and other - direct	173	183	339	377
Reimbursed costs	3,142	2,953	6,187	5,751
Depreciation, amortization, and other	30	32	61	76
General, administrative, and other	168	152	331	297
Costs and Expenses, Total	3,513	3,320	6,918	6,501
OPERATING INCOME	389	369	756	701
Gains and other income, net	0	20	0	20
Interest expense	(57)	(42)	(104)	(78)
Interest income	7	6	13	14
Equity in earnings	5	2	5	5
INCOME BEFORE INCOME TAXES	344	355	670	662
Provision for income taxes	(97)	(115)	(204)	(215)
NET INCOME	$ 247	$ 240	$ 466	$ 447
EARNINGS PER SHARE
Earnings per share - basic (in USD per share)	$ 0.97	$ 0.88	$ 1.83	$ 1.63
Earnings per share - diluted (in USD per share)	0.96	0.87	1.80	1.59
CASH DIVIDENDS DECLARED PER SHARE (in USD per share)	$ 0.30	$ 0.25	$ 0.55	$ 0.45