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Debt - Debt Table (Details) € in Millions, $ in Millions	Dec. 31, 2016 EUR (€)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Debt Instrument [Line Items]
Principal		$ 3,560
Total obligations		3,795	$ 41
Less portion classified as current		(7)	(5)
Total long-term debt		3,788	36
Expedia Holdings Margin Loan
Debt Instrument [Line Items]
Principal		350
total debt		350
Expedia 7.456% Notes
Debt Instrument [Line Items]
Principal		500
total debt		544
Expedia 5.95% Notes
Debt Instrument [Line Items]
Principal		750
total debt		837
Expedia 4.5% Notes
Debt Instrument [Line Items]
Principal		500
total debt		523
Expedia 2.5% Notes
Debt Instrument [Line Items]
Principal	€ 650	683
total debt		727
Expedia 5.0% Notes
Debt Instrument [Line Items]
Principal		750
total debt		787
Vitalize Secured Notes
Debt Instrument [Line Items]
Principal		13
total debt		13	18
Capital Lease Obligations
Debt Instrument [Line Items]
Capital lease obligations		$ 3	$ 4