v2.4.0.6

Consolidated Statements Of Changes In Stockholders' Equity And Comprehensive Income (Loss) (Parenthetical) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Consolidated Statements Of Changes In Stockholders' Equity And Comprehensive Income (Loss) [Abstract]
Net income attributable to redeemable noncontrolling interest	$ 256	$ 2,965	$ 3,085
Preferred stock outstanding shares	0	751

X

- Definition

Preferred Stock Outstanding Shares

+ References

No definition available.

+ Details

Name:	expe_PreferredStockOutstandingShares
Namespace Prefix:	expe_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The portion of net income or loss for the period attributable to redeemable noncontrolling interest (if any) deducted in order to derive the portion attributable to the parent. This element should be used for redeemable noncontrolling interests that are classified within temporary equity.

+ References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_StatementOfStockholdersEquityAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration