GOODWILL AND INTANGIBLES - Goodwill (Details) $ in Millions	3 Months Ended
Mar. 31, 2020 USD ($)
Goodwill [Roll Forward]
Balance at December 31, 2019	$ 2,892
Impairment	(73)
Foreign exchange adjustments	(2)
Balance at March 31, 2020	2,817
Vacation Ownership
Goodwill [Roll Forward]
Balance at December 31, 2019	2,445
Impairment	0
Foreign exchange adjustments	0
Balance at March 31, 2020	2,445
Exchange & Third-Party Management
Goodwill [Roll Forward]
Balance at December 31, 2019	447
Impairment	(73)
Foreign exchange adjustments	(2)
Balance at March 31, 2020	$ 372

Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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