GOODWILL AND INTANGIBLE ASSETS - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended	12 Months Ended
	Sep. 30, 2020	Mar. 31, 2020	Sep. 30, 2022	Dec. 31, 2022		Dec. 31, 2021		Dec. 31, 2020
Goodwill [Line Items]
Impairment of goodwill			$ 0	$ 0		$ 0		$ 1,062
Goodwill				2,807	[1]	2,887	[1]	1,895
Intangible assets amortization expense				$ 224		$ 162		$ 167
OpenTable and KAYAK
Goodwill [Line Items]
Impairment of goodwill	$ 573	$ 489
Goodwill	$ 1,000	$ 1,500
Sensitivity analysis, reporting unit, change in growth rate	1.00%
Potential increase in fair value from 1% point increase in profitability growth rate	$ 100
Potential decrease in fair value from 1% point decrease in profitability growth rate	$ 100
Sensitivity analysis, reporting unit, change in discount rate	0.50%
Potential decrease in fair value due to 0.5% increase in discount rate	$ 65
Potential increase in fair value due to 0.5% decrease in discount rate	$ 70

[1] The balance of goodwill as of December 31, 2022 and 2021 is stated net of cumulative impairment charges of $2.0 billion.