The following tables present our revenues disaggregated by major revenue stream for the three and nine months ended September 30, 2018 and September 30, 2017.



	Three Months Ended September 30, 2018
($ in millions)	North American Full-Service			North American Limited-Service			Asia Pacific		Other International			Total
Gross fee revenues	$	305		$	246		$	119	$	135		$	805
Contract investment amortization	(7		)	(3		)	—		(3		)	(13		)
Net fee revenues	298			243			119		132			792
Owned, leased, and other revenue	137			34			46		165			382
Cost reimbursement revenue	2,688			598			110		264			3,660
Total segment revenue	$	3,123		$	875		$	275	$	561		$	4,834
Unallocated corporate												215
Total revenue												$	5,049



	Three Months Ended September 30, 2017
($ in millions)	North American Full-Service			North American Limited-Service			Asia Pacific		Other International			Total
Gross fee revenues	$	285		$	232		$	106	$	118		$	741
Contract investment amortization	(7		)	(2		)	—		(2		)	(11		)
Net fee revenues	278			230			106		116			730
Owned, leased, and other revenue	157			37			48		179			421
Cost reimbursement revenue	2,661			596			109		296			3,662
Total segment revenue	$	3,096		$	863		$	263	$	591		$	4,813
Unallocated corporate												265
Total revenue												$	5,078



	Nine Months Ended September 30, 2018
($ in millions)	North American Full-Service			North American Limited-Service			Asia Pacific			Other International			Total
Gross fee revenues	$	949		$	692		$	346		$	385		$	2,372
Contract investment amortization	(25		)	(9		)	(1		)	(9		)	(44		)
Net fee revenues	924			683			345			376			2,328
Owned, leased, and other revenue	432			104			141			501			1,178
Cost reimbursement revenue	8,422			1,737			332			818			11,309
Total segment revenue	$	9,778		$	2,524		$	818		$	1,695		$	14,815
Unallocated corporate													586
Total revenue													$	15,401



	Nine Months Ended September 30, 2017
($ in millions)	North American Full-Service			North American Limited-Service			Asia Pacific			Other International			Total
Gross fee revenues	$	891		$	643		$	301		$	349		$	2,184
Contract investment amortization	(19		)	(8		)	(1		)	(6		)	(34		)
Net fee revenues	872			635			300			343			2,150
Owned, leased, and other revenue	535			100			138			503			1,276
Cost reimbursement revenue	8,206			1,705			318			845			11,074
Total segment revenue	$	9,613		$	2,440		$	756		$	1,691		$	14,500
Unallocated corporate													701
Total revenue													$	15,201