Long-Term Debt and Capital Lease Obligations - Debt Table (Details) - USD ($) $ in Millions	Mar. 31, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Principal	$ 3,566
Total obligations	3,786	$ 3,795
Less portion classified as current	(14)	(7)
Total long-term debt	3,772	3,788
Expedia Holdings Margin Loan
Debt Instrument [Line Items]
Principal	350
total debt	350	350
Expedia 7.456% Notes
Debt Instrument [Line Items]
Principal	500
total debt	537	544
Expedia 5.95% Notes
Debt Instrument [Line Items]
Principal	750
total debt	832	837
Expedia 2.5% Notes
Debt Instrument [Line Items]
Principal	694
total debt	737	727
Expedia 4.5% Notes
Debt Instrument [Line Items]
Principal	500
total debt	522	523
Expedia 5.0% Notes
Debt Instrument [Line Items]
Principal	750
total debt	786	787
Vitalize Secured Notes
Debt Instrument [Line Items]
Principal	12
total debt	12	13
Vitalize Revolving line of credit due 2020
Debt Instrument [Line Items]
Principal	8
total debt	8	11
Capital Lease Obligations
Debt Instrument [Line Items]
Principal	2
Capital lease obligations	$ 2	$ 3

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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