CONDENSED CONSOLIDATED STATEMENTS OF INCOME (LOSS) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
REVENUES
Revenues	$ 3,946	$ 2,254	$ 9,411	$ 8,399
OPERATING COSTS AND EXPENSES
Depreciation, amortization, and other	64	53	166	275
General, administrative, and other	212	131	610	579
Restructuring and merger-related charges	4	1	8	5
Costs and expenses	3,401	2,002	8,296	8,187
OPERATING INCOME	545	252	1,115	212
Gains and other income, net	0	2	6	3
Loss on extinguishment of debt	(164)	0	(164)	0
Interest expense	(107)	(113)	(323)	(333)
Interest income	8	6	22	20
Equity in losses	(4)	(20)	(24)	(54)
INCOME (LOSS) BEFORE INCOME TAXES	278	127	632	(152)
(Provision) benefit for income taxes	(58)	(27)	(1)	49
Net income (loss)	$ 220	$ 100	$ 631	$ (103)
EARNINGS (LOSS) PER SHARE
Earnings (loss) per share - basic (in USD per share)	$ 0.67	$ 0.31	$ 1.93	$ (0.32)
Earnings (loss) per share - diluted (in USD per share)	$ 0.67	$ 0.31	$ 1.92	$ (0.32)
Base management fees
REVENUES
Gross revenues	$ 190	$ 87	$ 452	$ 341
Franchise fees
REVENUES
Gross revenues	533	279	1,270	876
Incentive management fees
REVENUES
Gross revenues	53	31	141	43
Fee revenues
REVENUES
Gross revenues	776	397	1,863	1,260
Contract investment amortization	(21)	(48)	(56)	(94)
Revenues	755	349	1,807	1,166
Owned, leased, and other
REVENUES
Revenues	241	116	536	445
OPERATING COSTS AND EXPENSES
Operating costs	204	134	507	527
Reimbursements
REVENUES
Revenues	2,950	1,789	7,068	6,788
OPERATING COSTS AND EXPENSES
Operating costs	$ 2,917	$ 1,683	$ 7,005	$ 6,801