Casino Promotional Allowances (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2016	Mar. 31, 2015
Promotional Allowances	$ 140	$ 157
Cost of Promotional Allowances	67	80
Food and Beverage
Promotional Allowances	73	84
Cost of Promotional Allowances	44	52
Rooms
Promotional Allowances	60	64
Cost of Promotional Allowances	20	23
Other
Promotional Allowances	7	9
Cost of Promotional Allowances	$ 3	$ 5

This element represents the estimated retail value of accommodations, food and beverage, and other services furnished to guests without charge.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 924
-SubTopic 605
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=51665414&loc=d3e51325-107943

Name:	us-gaap_PromotionalAllowances
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration