SHARE-BASED COMPENSATION - Summary of Share-Based Compensation Award Activity (Details) - $ / shares shares in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Stock options
Stock options
Granted (in shares)	2,545	1,343
Weighted-average exercise price (in usd per share)	$ 24.08	$ 32.56
Weighted-average grant date fair value (in usd per share)	$ 6.63	$ 11.45
Time-based RSUs
RSUs
Granted (in shares)	1,662	2,560
Weighted-average grant date fair value (in usd per share)	$ 24.21	$ 32.45
TSR performance-based RSUs
RSUs
Granted (in shares)	0	400
Weighted-average grant date fair value (in usd per share)	$ 0	$ 56.04
ROTC performance-based RSUs
RSUs
Granted (in shares)	0	413
Weighted-average grant date fair value (in usd per share)	$ 0	$ 31.72
B+L Separation performance-based RSUs
RSUs
Granted (in shares)	0	132
Weighted-average grant date fair value (in usd per share)	$ 0	$ 32.56

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

Net number of share options (or share units) granted during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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