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SUBSEQUENT EVENTS - Narrative (Details) - USD ($) | May 10, 2022 | Mar. 31, 2022 | Jan. 18, 2022 | Dec. 31, 2021
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Subsequent Event [Line Items] |  |  |  |
Common shares, outstanding (in shares) |  | 361,331,665 |  | 359,405,748
Long-term debt |  | $ 23,168,000,000 |  | $ 22,654,000,000
Revolving Credit Facility |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Threshold for incremental borrowings |  | $ 1,000,000,000 |  |
Interest coverage ratio (not less than) |  | 2.00 |  |
Revolving Credit Facility | Senior Unsecured Notes |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Total leverage ratio (not greater than) |  | 6.50 |  |
9.00% Senior Notes due December 2025 | Senior Unsecured Notes |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Repurchased principal amount |  |  | $ 370,000,000 |
Stated interest rate on debt (as a percent) |  |  | 9.00% |
Debt covenant, redemption and discharge condition, amount, if circumstances met |  |  | $ 7,000,000,000 |
6.125% Senior Notes Due April 2025 | Senior Unsecured Notes |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Long-term debt |  | $ 2,640,000,000 |  | $ 2,640,000,000
Stated interest rate on debt (as a percent) |  | 6.125% |  |
Subsequent Event | Revolving Credit Facility |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Threshold for incremental borrowings | $ 1,000,000,000 |  |  |
Incremental borrowings interest rate | 40.00% |  |  |
Interest coverage ratio (not less than) | 2.00 |  |  |
Subsequent Event | Revolving Credit Facility | Senior Secured Notes |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Secured leverage ratio (not greater than) | 3.50 |  |  |
Subsequent Event | Revolving Credit Facility | Senior Unsecured Notes |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Total leverage ratio (not greater than) | 6.50 |  |  |
Subsequent Event | Term Loan Due May 2027 |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Principal amount | $ 2,500,000,000 |  |  |
Term | 5 years |  |  |
Annual amortization rate (as a percent) | 1.00% |  |  |
Subsequent Event | Term Loan Due May 2027 | SOFR, CDOR, EURIBOR and SONIA Rates | Minimum |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Variable rate (as a percent) | 1.015% |  |  |
Subsequent Event | Term Loan Due May 2027 | SOFR, CDOR, EURIBOR and SONIA Rates | Maximum |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Variable rate (as a percent) | 1.475% |  |  |
Subsequent Event | Term Loan Due May 2027 | U.S. Dollar Base Rate and Canadian Dollar Prime Rate | Minimum |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Variable rate (as a percent) | 0.015% |  |  |
Subsequent Event | Term Loan Due May 2027 | U.S. Dollar Base Rate and Canadian Dollar Prime Rate | Maximum |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Variable rate (as a percent) | 0.475% |  |  |
Subsequent Event | Term Loan Due May 2027 | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Variable rate (as a percent) | 3.25% |  |  |
Credit spread adjustment (as a percent) | 0.10% |  |  |
Subsequent Event | Term Loan Due May 2027 | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Minimum |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Variable rate (as a percent) | 0.50% |  |  |
Subsequent Event | Term Loan Due May 2027 | Base Rate |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Variable rate (as a percent) | 2.25% |  |  |
Subsequent Event | Term Loan Due May 2027 | Base Rate | Minimum |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Variable rate (as a percent) | 1.50% |  |  |
Subsequent Event | Revolving Credit Facility Due May 2027 | Revolving Credit Facility |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Term | 5 years |  |  |
Maximum borrowing capacity | $ 500,000,000 |  |  |
Facility fee (as a percent) | 0.25% |  |  |
Percentage of net cash proceeds of insurance and condemnation proceeds for property or asset losses | 100.00% |  |  |
Percentage of cash proceeds from incurrence of debt | 100.00% |  |  |
Percentage of annual excess cash flow | 50.00% |  |  |
Percentage of cash proceeds from asset sales outside the ordinary course of business payable as mandatory prepayments | 100.00% |  |  |
Subsequent Event | Revolving Credit Facility Due May 2027 | Revolving Credit Facility | Minimum |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Commitment fee (as a percent) | 0.11% |  |  |
Subsequent Event | Revolving Credit Facility Due May 2027 | Revolving Credit Facility | Maximum |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Commitment fee (as a percent) | 0.275% |  |  |
Subsequent Event | Revolving Credit Facility Due May 2027 | Revolving Credit Facility | SOFR, CDOR, EURIBOR and SONIA Rates |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Variable rate (as a percent) | 0.00% |  |  |
Subsequent Event | Revolving Credit Facility Due May 2027 | Revolving Credit Facility | SOFR, CDOR, EURIBOR and SONIA Rates | Minimum |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Variable rate (as a percent) | 1.75% |  |  |
Subsequent Event | Revolving Credit Facility Due May 2027 | Revolving Credit Facility | SOFR, CDOR, EURIBOR and SONIA Rates | Maximum |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Variable rate (as a percent) | 2.75% |  |  |
Subsequent Event | Revolving Credit Facility Due May 2027 | Revolving Credit Facility | U.S. Dollar Base Rate and Canadian Dollar Prime Rate |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Variable rate (as a percent) | 1.00% |  |  |
Subsequent Event | Revolving Credit Facility Due May 2027 | Revolving Credit Facility | U.S. Dollar Base Rate and Canadian Dollar Prime Rate | Minimum |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Variable rate (as a percent) | 0.75% |  |  |
Subsequent Event | Revolving Credit Facility Due May 2027 | Revolving Credit Facility | U.S. Dollar Base Rate and Canadian Dollar Prime Rate | Maximum |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Variable rate (as a percent) | 1.75% |  |  |
Subsequent Event | Revolving Credit Facility Due May 2027 | Revolving Credit Facility | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Credit spread adjustment (as a percent) | 0.10% |  |  |
Subsequent Event | 2027 Term Loan B Facility |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Principal amount | $ 2,500,000,000 |  |  |
Annual amortization rate (as a percent) | 5.00% |  |  |
Subsequent Event | 2027 Term Loan B Facility | U.S. Dollar Base Rate and Canadian Dollar Prime Rate |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Variable rate (as a percent) | 1.00% |  |  |
Subsequent Event | 2027 Term Loan B Facility | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Variable rate (as a percent) | 5.25% |  |  |
Subsequent Event | 2027 Term Loan B Facility | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Minimum |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Variable rate (as a percent) | 0.50% |  |  |
Credit spread adjustment (as a percent) | 0.10% |  |  |
Subsequent Event | 2027 Term Loan B Facility | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Maximum |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Credit spread adjustment (as a percent) | 0.25% |  |  |
Subsequent Event | 2027 Term Loan B Facility | Base Rate |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Variable rate (as a percent) | 4.25% |  |  |
Subsequent Event | 2027 Term Loan B Facility | Base Rate | Minimum |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Variable rate (as a percent) | 1.50% |  |  |
Subsequent Event | 2027 Term Loan B Facility | SOFR, CDOR and EURIBOR Rates |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Variable rate (as a percent) | 0.00% |  |  |
Subsequent Event | 2027 Revolving Credit Facility | Revolving Credit Facility |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Maximum borrowing capacity | $ 975,000,000 |  |  |
Alternate term, number of days prior to scheduled maturity in excess of principal amount threshold | 91 days |  |  |
Alternate term, principal amount maturity threshold | $ 1,000,000,000 |  |  |
Long-term debt | $ 350,000,000 |  |  |
Subsequent Event | 2027 Revolving Credit Facility | Revolving Credit Facility | Minimum |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Commitment fee (as a percent) | 0.25% |  |  |
Subsequent Event | 2027 Revolving Credit Facility | Revolving Credit Facility | Maximum |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Commitment fee (as a percent) | 0.50% |  |  |
Subsequent Event | 2027 Revolving Credit Facility | Revolving Credit Facility | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Minimum |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Variable rate (as a percent) | 3.75% |  |  |
Subsequent Event | 2027 Revolving Credit Facility | Revolving Credit Facility | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Maximum |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Variable rate (as a percent) | 4.25% |  |  |
Subsequent Event | 2027 Revolving Credit Facility | Revolving Credit Facility | Base Rate | Minimum |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Variable rate (as a percent) | 2.75% |  |  |
Subsequent Event | 2027 Revolving Credit Facility | Revolving Credit Facility | Base Rate | Maximum |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Variable rate (as a percent) | 3.25% |  |  |
Subsequent Event | Senior Secured Credit Facilities | Revolving Credit Facility |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Percentage of net cash proceeds of insurance and condemnation proceeds for property or asset losses | 100.00% |  |  |
Percentage of cash proceeds from incurrence of debt | 100.00% |  |  |
Percentage of annual excess cash flow | 50.00% |  |  |
Percentage of cash proceeds from asset sales outside the ordinary course of business payable as mandatory prepayments | 100.00% |  |  |
Subsequent Event | New Restated Credit Agreement |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Total leverage ratio | 760.00% |  |  |
Subsequent Event | 6.125% Senior Notes Due April 2025 | Senior Unsecured Notes |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Stated interest rate on debt (as a percent) | 6.125% |  |  |
Redemption price (as a percent) | 101.021% |  |  |
Subsequent Event | B+L IPO |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Shares sold (in shares) | 35,000,000 |  |  |
Price of shares sold (in usd per share) | $ 18.00 |  |  |
Shares sold, net proceeds | $ 560,000,000 |  |  |
Subsequent Event | Over-Allotment |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Shares sold (in shares) | 5,250,000 |  |  |
Underwriters option to purchase additional shares, term | 30 days |  |  |
Subsequent Event | Over-Allotment | Bausch + Lomb |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Common shares, outstanding (in shares) | 315,000,000 |  |  |
Percentage of shares held | 90.00% |  |  |

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