Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

SHAREHOLDER'S EQUITY - COMMON STOCK REPURCHASE (Details) - USD ($) $ in Millions	12 Months Ended		64 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2020	Aug. 31, 2015
Equity, Class of Treasury Stock [Line Items]
Common stock repurchase (in shares)	538,078
Common stock repurchase	$ 31	$ 31
2015 $1 billion Repurchase Program [Member]
Equity, Class of Treasury Stock [Line Items]
Share repurchase program, authorized amount				$ 1,000
Common stock repurchase (in shares)			7,600,000
Common stock repurchase			$ 544