Business Segments (Tables)

3 Months Ended

Mar. 31, 2018

Segment Reporting [Abstract]

Segment Revenues

Segment Revenues

	Three Months Ended
($ in millions)	March 31, 2018		March 31, 2017
North American Full-Service	$	3,299	$	3,240
North American Limited-Service	761		741
Asia Pacific	275		241
Other International	527		512
Total segment revenues	4,862		4,734
Other unallocated corporate	144		178
Total consolidated revenues	$	5,006	$	4,912

Segment Profits

Segment Profits

	Three Months Ended
($ in millions)	March 31, 2018			March 31, 2017
North American Full-Service	$	277		$	302
North American Limited-Service	182			187
Asia Pacific	112			94
Other International	159			118
Total segment profits	730			701
Other unallocated corporate	(158		)	(144		)
Interest expense, net of interest income	(70		)	(63		)
Income taxes	(104		)	(123		)
Net income	$	398		$	371