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FINANCING ARRANGEMENTS - Senior Secured Notes (Details) - USD ($) |  |  |  |  |  | 1 Months Ended | 7 Months Ended | 12 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2023 | Sep. 29, 2023 | May 10, 2022 | Feb. 10, 2022 | Jun. 08, 2021 | Dec. 31, 2023 | Sep. 30, 2022 | Dec. 31, 2022 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Mar. 31, 2019 | Mar. 08, 2019 | Jun. 30, 2018 | Nov. 21, 2017 | Oct. 17, 2017 | Mar. 31, 2017
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Redemption price percentage due to change in control (as a percent) |  |  |  |  |  |  |  |  | 101.00% |  |  |  |  |  |  |  |
Repayments of long-term debt |  |  |  |  |  |  |  |  | $ 1,710,000,000 | $ 7,846,000,000 | $ 3,440,000,000 |  |  |  |  |  |
Loss on extinguishment of debt |  |  | $ 64,000,000 |  | $ 38,000,000 |  |  |  | $ (1,000,000) | $ (875,000,000) | 62,000,000 |  |  |  |  |  |
Bausch + Lomb |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage by parent |  |  |  |  |  | 88.00% |  |  | 88.00% |  |  |  |  |  |  |  |
Bausch + Lomb | Intermediate Holdco |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage by parent |  |  |  |  |  | 38.50% |  |  | 38.50% |  |  |  |  |  |  |  |
Senior Unsecured Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Redemption price percentage due to change in control (as a percent) |  |  |  |  |  |  |  |  | 101.00% |  |  |  |  |  |  |  |
Repayments of long-term debt |  |  |  |  |  | $ 7,000,000 |  | $ 550,000,000 |  |  |  |  |  |  |  |  |
Loss on extinguishment of debt |  |  |  |  |  | $ (1,000,000) | $ (570,000,000) | $ (369,000,000) |  |  |  |  |  |  |  |  |
6.125% Senior Notes Due April 2025 | Senior Unsecured Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate on debt (as a percent) |  |  |  |  |  | 6.125% |  |  | 6.125% |  |  |  |  |  |  |  |
Repayments of long-term debt |  |  |  |  |  |  |  |  |  |  | $ 600,000,000 |  |  |  |  |  |
Redemption price percentage (as a percent) |  |  | 101.021% |  |  |  |  |  |  |  |  |  |  |  |  |  |
6.50% Senior Notes Due March 2022 | Senior Secured Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate on debt (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6.50%
7.000 % Senior Notes Due March 2024 | Senior Secured Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate on debt (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7.00%
Aggregate principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,000,000,000
5.500% Senior Notes Due November 2025 | Senior Secured Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate on debt (as a percent) |  |  |  |  |  | 5.50% |  |  | 5.50% |  |  |  |  |  |  | 5.50% |
Aggregate principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 750,000,000 | $ 1,000,000,000 |
5.750% Senior Notes Due August 2027 | Senior Secured Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate on debt (as a percent) |  |  |  |  |  | 5.75% |  |  | 5.75% |  |  |  | 5.75% |  |  |  |
Aggregate principal amount |  |  |  |  |  |  |  |  |  |  |  |  | $ 500,000,000 |  |  |  |
8.50% Senior Unsecured Notes Due January 2027 | Senior Unsecured Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate on debt (as a percent) |  |  |  |  |  |  |  |  |  |  |  | 8.50% | 8.50% | 8.50% |  |  |
Aggregate principal amount |  |  |  |  |  |  |  |  |  |  |  | $ 1,000,000,000 |  | $ 750,000,000 |  |  |
4.875% Senior Notes Due June 2028 | Senior Secured Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate on debt (as a percent) |  |  |  |  | 4.875% | 4.875% |  |  | 4.875% |  |  |  |  |  |  |  |
Aggregate principal amount |  |  |  |  | $ 1,600,000,000 |  |  |  |  |  |  |  |  |  |  |  |
4.875% Senior Notes Due June 2028 | Senior Secured Notes | Debt Instrument, Redemption, Period One |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Redemption price percentage (as a percent) |  |  |  |  | 100.00% |  |  |  |  |  |  |  |  |  |  |  |
4.875% Senior Notes Due June 2028 | Senior Secured Notes | Debt Instrument, Redemption, Period Two | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum percentage of principal amount that can be redeemed |  |  |  |  | 40.00% |  |  |  |  |  |  |  |  |  |  |  |
7.00% Senior Notes Due March 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of long-term debt |  |  |  |  | $ 1,600,000,000 |  |  |  |  |  |  |  |  |  |  |  |
6.125% Senior Notes Due February 2027 | Senior Secured Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate on debt (as a percent) |  |  |  | 6.125% |  | 6.125% |  |  | 6.125% |  |  |  |  |  |  |  |
Aggregate principal amount |  |  |  | $ 1,000,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
6.125% Senior Notes Due February 2027 | Senior Secured Notes | Debt Instrument, Redemption, Period One |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Redemption price percentage (as a percent) |  |  |  | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |
6.125% Senior Notes Due February 2027 | Senior Secured Notes | Debt Instrument, Redemption, Period Two | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum percentage of principal amount that can be redeemed |  |  |  | 40.00% |  |  |  |  |  |  |  |  |  |  |  |  |
11.00% First Lien Senior Notes Due September 2028 | Senior Secured Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate on debt (as a percent) | 11.00% |  |  |  |  | 11.00% |  |  | 11.00% |  |  |  |  |  |  |  |
11.00% First Lien Senior Notes Due September 2028 | Senior Secured Notes | Debt Instrument, Redemption, Period One |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Redemption price percentage (as a percent) | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
14.00% Second Lien Senior Notes2 Due October 2030 | Senior Secured Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate on debt (as a percent) | 14.00% |  |  |  |  | 14.00% |  |  | 14.00% |  |  |  |  |  |  |  |
14.00% Second Lien Senior Notes2 Due October 2030 | Senior Secured Notes | Debt Instrument, Redemption, Period One |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Redemption price percentage (as a percent) | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
14.00% Second Lien Senior Notes2 Due October 2030 | Senior Secured Notes | Debt Instrument, Redemption, Period Two | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum percentage of principal amount that can be redeemed | 40.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
9.00% Intermediate Holdco Senior Notes Due January 2028 | Senior Secured Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate on debt (as a percent) | 9.00% |  |  |  |  | 9.00% |  |  | 9.00% |  |  |  |  |  |  |  |
8.375% Senior Notes Due October 2028 | Senior Secured Notes | Bausch + Lomb |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate on debt (as a percent) |  | 8.375% |  |  |  | 8.375% |  |  | 8.375% |  |  |  |  |  |  |  |
Redemption price percentage due to change in control (as a percent) |  | 101.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount |  | $ 1,400,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
8.375% Senior Notes Due October 2028 | Senior Secured Notes | Debt Instrument, Redemption, Period Three | Bausch + Lomb |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Redemption price percentage (as a percent) |  | 108.375% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
8.375% Senior Notes Due October 2028 | Senior Secured Notes | Debt Instrument, Redemption, Period Three | Maximum | Bausch + Lomb |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum percentage of principal amount that can be redeemed |  | 40.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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