COMMITMENTS AND CONTINGENCIES - Other Matters (Details) - Dec. 31, 2020 € in Millions, $ in Millions	EUR (€)	USD ($)
Pension-Related Litigation
Commitments and Contingencies
Potential loss related to loss contingencies in excess of the accrued amount		$ 290
E.U. General Data Protection Regulation Rulings \| Maximum
Commitments and Contingencies
Estimated possible fine per incident	€ 20	$ 24

The difference between the maximum amount of estimated loss and the amount recorded as of the balance sheet date.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 05
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=99385795&loc=d3e12631-108344

Name:	us-gaap_LossContingencyRangeOfPossibleLossPortionNotAccrued
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant