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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Name:	us-gaap_GoodwillImpairmentLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Impairment of Goodwill, Intangibles, and Other Assets (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Real Estate Properties [Line Items]
Goodwill impairment	$ 0	$ 2,615,000,000	$ 0
Impairment charge	$ 0		$ 0
Customer relationships
Real Estate Properties [Line Items]
Impairment charge		1,218,000,000
Other definite-lived intangible assets, net
Real Estate Properties [Line Items]
Impairment charge		$ 431,000,000