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STOCK BASED COMPENSATION - Additional Disclosure for Stock Options (Details) - Stock Options - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Additional Disclosures for equity-based plans
Total fair value of options vested	$ 0	$ 0	$ 1
Total intrinsic value of options exercised	6	4	9
Cash received from options exercised	$ 1	$ 1	$ 2

X

- Definition

Amount of cash inflow from exercise of option under share-based payment arrangement.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

+ References

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-Publisher FASB
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-Section 50
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- Definition

Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

+ References

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-SubTopic 10
-Section 50
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