SHARE-BASED COMPENSATION - Share-Based Compensation Award Activity (Details) - $ / shares shares in Thousands	9 Months Ended
Sep. 30, 2025	Sep. 30, 2024
Time-based RSUs
Other than Stock options
Granted (in shares)	6,277	5,173
Weighted-average grant date fair value (in usd per share)	$ 7.40	$ 8.91
Adjusted Operating Cash Flow performance-based RSUs
Other than Stock options
Granted (in shares)	2,096	1,332
Weighted-average grant date fair value (in usd per share)	$ 7.36	$ 9.60
Stock options \| Bausch + Lomb
Stock options
Granted (in shares)	1,374	1,317
Weighted-average exercise price (in usd per share)	$ 15.86	$ 16.85
Weighted-average grant date fair value (in usd per share)	$ 4.66	$ 4.92
RSUs \| Bausch + Lomb
Other than Stock options
Granted (in shares)	3,867	3,652
Weighted-average grant date fair value (in usd per share)	$ 15.42	$ 16.77
TSR PSUs \| Bausch + Lomb
Other than Stock options
Granted (in shares)	388	826
Weighted-average grant date fair value (in usd per share)	$ 15.86	$ 21.21
Organic Revenue Growth PSUs \| Bausch + Lomb
Other than Stock options
Granted (in shares)	753	379
Weighted-average grant date fair value (in usd per share)	$ 15.98	$ 16.08
OPG PSUs \| Bausch + Lomb
Other than Stock options
Granted (in shares)	10	1,792
Weighted-average grant date fair value (in usd per share)	$ 11.19	$ 17.03

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://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(01)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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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

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(01)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (d)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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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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