Credit Agreement Original Amount

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The maximun percentage of the prior year's exces cash flow that the entity is required to make as an annual prepayment on the term loan.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Annual Prepayment, Net Cash Proceeds from Assets Sales with Reinvestment Rights

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Annual Prepayment, Net Cash Proceeds from Issuance of Debt

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Increase (Decrease) in Interest Rate

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Percentage Secured by Outstanding Capital Stock or Other Equity Interests of Certain Foreign Subsidiaries

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Debt Instrument, Percentage Secured by Outstanding Capital Stock or Other Equity Interests of Substantially All Direct and Indirect Domestic Subsidiaries

+ References

No definition available.

+ Details

Name:	expe_DebtInstrumentPercentageSecuredbyOutstandingCapitalStockorOtherEquityInterestsofSubstantiallyAllDirectandIndirectDomesticSubsidiaries
Namespace Prefix:	expe_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Estimated Prepayment Of Long-Term Debt, Amount

+ References

No definition available.

+ Details

Name:	expe_EstimatedPrepaymentOfLongTermDebtAmount
Namespace Prefix:	expe_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

First Lien Leverage Ratio, Maximum

+ References

No definition available.

+ Details

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Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Firs tLien Leverage Ratio, Minimum

+ References

No definition available.

+ Details

Name:	expe_FirstLienLeverageRatioMinimum
Namespace Prefix:	expe_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- Definition

Line of Credit Facility Fee

+ References

No definition available.

+ Details

Name:	expe_LineOfCreditFacilityFee
Namespace Prefix:	expe_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of letters of that can be issued under the revolving credit facility.

+ References

No definition available.

+ Details

Name:	expe_LineOfCreditFacilityLettersOfCreditMaximum
Namespace Prefix:	expe_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Repayment of long term debt amount

+ References

No definition available.

+ Details

Name:	expe_RepaymentOfLongTermDebtAmount
Namespace Prefix:	expe_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

+ Details

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

- Definition

Description of the frequency of periodic payments (monthly, quarterly, annual).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

+ Details

Name:	us-gaap_DebtInstrumentInterestRateEffectivePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

- Definition

Amount of the required periodic payments applied to principal.

+ References

+ Details

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

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of debt issuance costs (for example, but not limited to, legal, accounting, broker, and regulatory fees).

+ References

No definition available.

+ Details

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

- Definition

Represents the aggregate of total long-term debt, including current maturities and short-term debt.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtLongtermAndShorttermCombinedAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The percentage points added to the reference rate to compute the variable rate on the interest rate derivative.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeBasisSpreadOnVariableRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

+ References

+ Details

Name:	us-gaap_UnamortizedDebtIssuanceExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

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Balance Type:
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- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

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- Details

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- Details

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- Details

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- Details

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Term Loan and Revolving Credit Facility Narrative (Details) - Orbitz $ in Thousands			6 Months Ended	12 Months Ended
	Apr. 15, 2014 USD ($)	Apr. 14, 2014 USD ($)	Jun. 30, 2015 USD ($) Rate	Dec. 31, 2014 USD ($) Rate	Mar. 25, 2013 USD ($)
Debt Instrument [Line Items]
Credit agreement, original amount					$ 515,000
Line Of Credit Facility Letters of Credit Maximum			$ 55,000	$ 55,000
Repayment of long term debt, amount				$ 439,900
Term loan, frequency of periodic installments			quarterly	quarterly
Term loan, annual prepayment, max percent of excess cash flow \| Rate			50.00%	50.00%
Annual prepayment, net cash proceeds from asset sales with Reinvestment Rights \| Rate			100.00%	100.00%
Annual prepayment, net cash proceeds from issuance of debt \| Rate			100.00%	100.00%
Estimated prepayment of long term debt, amount			$ 24,100	$ 25,900
Debt, Long-term and Short-term, Combined Amount			$ 429,599	$ 447,750
Term loan, effective interest rate \| Rate			4.94%	4.94%
Line of Credit Facility Fee \| Rate			0.50%	0.50%
Debt Instrument, Percentage Secured by Outstanding Capital Stock or Other Equity Interests of Substantially All Direct and Indirect Domestic Subsidiaries			100.00%	100.00%
Debt Instrument, Percentage Secured by Outstanding Capital Stock or Other Equity Interests of Certain Foreign Subsidiaries			65.00%	65.00%
First Lien Leverage Ratio, Maximum			5.00	5.00
First Lien Leverage Ratio Minimum				1
Debt Issuance Cost				$ 6,700
Unamortized Debt Issuance Expense				2,200
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Credit agreement, original amount	$ 80,000
Debt Instrument, Term	5 years
Term Loans [Member]
Debt Instrument [Line Items]
Credit agreement, original amount	$ 450,000
Debt Instrument, Term	7 years
Term loan, periodic installments				1,125
Debt, Long-term and Short-term, Combined Amount			$ 429,599	$ 447,750
Minimum [Member]
Debt Instrument [Line Items]
Debt instrument, increase (decrease) in interest rate			0.00%	0.00%
Maximum [Member]
Debt Instrument [Line Items]
Debt instrument, increase (decrease) in interest rate			25.00%	25.00%
Eurocurrency Rate [Member]
Debt Instrument [Line Items]
Term loan, description of variable rate basis			Eurocurrency Rate is equal to the LIBOR rate as determined by the British Bankers Association	The Eurocurrency Rate is equal to the LIBOR rate as determined by the British Bankers Association
Eurocurrency Rate [Member] \| Term Loans [Member]
Debt Instrument [Line Items]
Term loan, basis spread on variable rate \| Rate				3.50%
Eurocurrency Rate [Member] \| Minimum [Member] \| Term Loans [Member]
Debt Instrument [Line Items]
Term loan, basis spread on variable rate \| Rate				1.00%
Fixed Rate [Domain]
Debt Instrument [Line Items]
Debt, Long-term and Short-term, Combined Amount			$ 200,000
Fixed Rate [Domain] \| Term Loans [Member]
Debt Instrument [Line Items]
Debt, Long-term and Short-term, Combined Amount				$ 200,000
Variable Rate [Member] \| Term Loans [Member]
Debt Instrument [Line Items]
Debt, Long-term and Short-term, Combined Amount				$ 247,800
Base Rate [Member]
Debt Instrument [Line Items]
Term loan, description of variable rate basis			The Base Rate for any day is equal to the greater of (a) the Fed Funds Rate in effect plus 0.5%, (b) the Credit Suisse AG prime rate and (c) the one-month Eurocurrency Rate	The Base Rate for any day is equal to the greater of (a) the Fed Funds Rate in effect plus 0.5%, (b) the Credit Suisse AG prime rate and (c) the one-month Eurocurrency Rate
Base Rate [Member] \| Term Loans [Member]
Debt Instrument [Line Items]
Term loan, basis spread on variable rate \| Rate				2.50%
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Credit agreement, original amount				$ 80,000	$ 80,000
Revolving Credit Facility [Member] \| Eurocurrency Rate [Member]
Debt Instrument [Line Items]
Term loan, basis spread on variable rate \| Rate			3.00%
Debt Instrument, Basis Spread on Variable Rate \| Rate				3.00%
Revolving Credit Facility [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Term loan, basis spread on variable rate \| Rate			2.00%
Debt Instrument, Basis Spread on Variable Rate \| Rate				2.00%
Term Loans [Member] \| Term Loan Maturing September 25, 2017 [Member]
Debt Instrument [Line Items]
Credit agreement, original amount	$ 530,000	$ 100,000
Term Loans [Member] \| Term Loan Maturing March 25, 2019 [Member]
Debt Instrument [Line Items]
Credit agreement, original amount		$ 350,000
Eurodollar [Member] \| Term Loans [Member]
Debt Instrument [Line Items]
Term loan, basis spread on variable rate \| Rate				0.50%
Eurodollar [Member] \| Term Loans [Member] \| Term Loan Maturing September 25, 2017 [Member]
Debt Instrument [Line Items]
Term loan, basis spread on variable rate		3.50%
Eurodollar [Member] \| Term Loans [Member] \| Term Loan Maturing March 25, 2019 [Member]
Debt Instrument [Line Items]
Term loan, basis spread on variable rate		4.75%
Base Rate [Member] \| Term Loans [Member] \| Term Loan Maturing September 25, 2017 [Member]
Debt Instrument [Line Items]
Term loan, basis spread on variable rate		2.50%
Base Rate [Member] \| Term Loans [Member] \| Term Loan Maturing March 25, 2019 [Member]
Debt Instrument [Line Items]
Term loan, basis spread on variable rate		3.75%