Property and Equipment (Tables)

6 Months Ended

Jun. 30, 2015

Property Plant And Equipment [Abstract]

Property and Equipment

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

	June 30, 2015			December 31, 2014
Land and land improvements	$	2,047		$	1,990
Buildings and leasehold improvements		13,665			13,336
Furniture and equipment		2,281			2,217
Construction in progress		165			209
		18,158			17,752
Less accumulated depreciation and amortization		(7,382	)		(7,177	)
	$	10,776		$	10,575