Dispositions (Tables)

12 Months Ended

Dec. 31, 2016

Disposal Group Not Discontinued Operation Disposal Disclosures [Abstract]

Summary of Results of Operations for Hotels Included in Continuing Operations

The following table provides summary results of operations for these hotels, which are included in continuing operations (in millions):

	Year ended December 31,
	2016		2015		2014
Revenues	$	58	$	214	$	353
Income before taxes and gain on disposal		10		25		27
Gain on disposals		243		89		229