Amount of transactions with related party during the financial reporting period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39622-107864

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

Basis of Presentation (Details) $ in Millions			3 Months Ended
Basis of Presentation (Details) $ in Millions	Nov. 05, 2016	Nov. 04, 2016	Mar. 31, 2017 USD ($)
Schedule of Equity Method Investments [Line Items]
Related party transactions			$ 1
Liberty Interactive Corporation \| Common Series A
Schedule of Equity Method Investments [Line Items]
Split Off Redemption Ratio	0.4
Liberty Interactive Corporation \| Common Series B
Schedule of Equity Method Investments [Line Items]
Split Off Redemption Ratio		0.4
Expedia Holdings \| Common Series A
Schedule of Equity Method Investments [Line Items]
Split Off Redemption Ratio		0.4
Expedia Holdings \| Common Series B
Schedule of Equity Method Investments [Line Items]
Split Off Redemption Ratio		0.4