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Number Of Employees Terminated

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Proceeds from Government Assistance

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Carrying amount as of the balance sheet date of amounts due under the terms of governmental, corporate, or foundation grants.

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Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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Amount of asset related to consideration paid in advance for income and other taxes that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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OTHER - Narrative (Details) € in Millions, $ in Millions	3 Months Ended		6 Months Ended
OTHER - Narrative (Details) € in Millions, $ in Millions	Jun. 30, 2020 USD ($) employee	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Aug. 04, 2020	Mar. 31, 2020 USD ($)	Mar. 31, 2020 EUR (€)
Restructuring Cost and Reserve [Line Items]
Number of employees terminated \| employee	1,700
Restructuring and other exit costs	$ 34
Restructuring and other exit costs	34	$ 0	$ 34	$ 0
Payments for Restructuring			25
Restructuring Reserve	7		7
Government grants and other assistance benefit recognized	100		100
Proceeds from Government Assistance	84		84
Grants Receivable	$ 16		$ 16
Tax and Customs Administration, Netherlands
Restructuring Cost and Reserve [Line Items]
Prepaid taxes						$ 717	€ 660
Forecast [Member] \| Booking.com \| Subsequent Event [Member]
Restructuring Cost and Reserve [Line Items]
Workforce Subject to Termination due to Restructuring					25.00%