CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) $ in Millions	9 Months Ended
Sep. 30, 2014 USD ($)
CONSOLIDATED STATEMENTS OF CASH FLOWS
Cash used to repurchase stock	$ 30

The cash flow associated with acquiree's repurchase of stock per merger agreement.

No definition available.

Name:	eri_PaymentsToRepurchaseStockBusinessCombination
Namespace Prefix:	eri_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration