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GOODWILL AND OTHER INTANGIBLE ASSETS - Narrative (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended		12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Mar. 31, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Segment Reporting Information [Line Items]
Impairment charges			$ (58)			$ (58)
Impairments	$ 0	$ 0		$ 0	$ 0
Segment Balances Before Intersegment Eliminations and Consolidation Reconciling Items
Segment Reporting Information [Line Items]
Cumulative goodwill impairments				137
Other
Segment Reporting Information [Line Items]
Cumulative goodwill impairments				105
Impairment charges						(58)
High-Touch Solutions N.A | Segment Balances Before Intersegment Eliminations and Consolidation Reconciling Items
Segment Reporting Information [Line Items]
Cumulative goodwill impairments				$ 32
Impairment charges						0
Endless Assortment | Segment Balances Before Intersegment Eliminations and Consolidation Reconciling Items
Segment Reporting Information [Line Items]
Impairment charges						$ 0

X

- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination, divested businesses and corresponding impairment amounts are not recognized in this concept

+ References

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- Definition

Total loss recognized during the period from the impairment of goodwill plus the loss recognized in the period resulting from the impairment of the carrying amount of intangible assets, other than goodwill.

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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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