Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2016

Property Plant And Equipment [Abstract]

Property and Equipment

Property and equipment consists of the following (in millions):

	As of December 31,
	2016			2015
Land and land improvements	$	2,047		$	2,044
Buildings and leasehold improvements		13,483			13,472
Furniture and equipment		2,377			2,283
Construction in progress		86			289
		17,993			18,088
Less accumulated depreciation and amortization		(7,848	)		(7,505	)
	$	10,145		$	10,583