Business Segments (Tables)

6 Months Ended

Jun. 30, 2018

Segment Reporting [Abstract]

Segment Revenues

Segment Revenues

	Three Months Ended				Six Months Ended
($ in millions)	June 30, 2018		June 30, 2017		June 30, 2018		June 30, 2017
North American Full-Service	$	3,356	$	3,277	$	6,655	$	6,517
North American Limited-Service	888		836		1,649		1,577
Asia Pacific	268		252		543		493
Other International	607		588		1,134		1,100
Total segment revenues	5,119		4,953		9,981		9,687
Other unallocated corporate	227		258		371		436
Total consolidated revenues	$	5,346	$	5,211	$	10,352	$	10,123

Segment Profits

Segment Profits

	Three Months Ended						Six Months Ended
($ in millions)	June 30, 2018			June 30, 2017			June 30, 2018			June 30, 2017
North American Full-Service	$	394		$	375		$	671		$	677
North American Limited-Service	252			243			434			430
Asia Pacific	140			73			252			167
Other International	160			113			319			231
Total segment profits	946			804			1,676			1,505
Other unallocated corporate	(71		)	(23		)	(229		)	(167		)
Interest expense, net of interest income	(79		)	(65		)	(149		)	(128		)
Income taxes	(186		)	(227		)	(290		)	(350		)
Net income	$	610		$	489		$	1,008		$	860