Revenues (Tables)

3 Months Ended

Mar. 31, 2018

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following tables present our revenues disaggregated by major revenue stream for the 2018 first quarter and the 2017 first quarter.

	Three Months Ended March 31, 2018
($ in millions)	North American Full Service			North American Limited Service			Asia Pacific		Other International			Total
Gross fee revenues	$	299		$	196		$	117	$	122		$	734
Contract investment amortization	(11		)	(3		)	—		(4		)	(18		)
Net fee revenues	288			193			117		118			716
Owned, leased, and other revenue	155			33			47		158			393
Cost reimbursement revenue	2,856			535			111		251			3,753
Total segment revenue	$	3,299		$	761		$	275	$	527		$	4,862
Unallocated corporate												144
Total revenue												$	5,006

	Three Months Ended March 31, 2017
($ in millions)	North American Full Service			North American Limited Service			Asia Pacific		Other International			Total
Gross fee revenues	$	289		$	181		$	97	$	112		$	679
Contract investment amortization	(6		)	(3		)	—		(2		)	(11		)
Net fee revenues	283			178			97		110			668
Owned, leased, and other revenue	197			31			41		149			418
Cost reimbursement revenue	2,760			532			103		253			3,648
Total segment revenue	$	3,240		$	741		$	241	$	512		$	4,734
Unallocated corporate												178
Total revenue												$	4,912