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OTHER CONSOLIDATED BALANCE SHEET COMPONENTS (CURRENT) - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Transaction Losses
Loss Contingencies [Line Items]
Provisions for transaction losses realized and written-off within the same period	$ 89.8	$ 103.9	$ 252.2	$ 200.9

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- Definition

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+ References

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- Definition

The amount of loss pertaining to the specified contingency that was charged against earnings in the period, including the effects of revisions in previously reported estimates.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349

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