FINANCING ARRANGEMENTS - Summary of Consolidated Long-term Debt (Details) - USD ($)	Mar. 31, 2024	Dec. 31, 2023	Sep. 29, 2023
Long-term debt, net of unamortized debt discount
Principal Amount	$ 20,717,000,000	$ 21,006,000,000
Total long-term debt and other	22,074,000,000	22,388,000,000
Less: Current portion of long-term debt and other	538,000,000	450,000,000
Non-current portion of long-term debt	21,536,000,000	21,938,000,000
Term Loan B Facility Due February 2027
Long-term debt, net of unamortized debt discount
Principal Amount	2,281,000,000	2,312,000,000
Total long-term debt and other	$ 2,251,000,000	2,279,000,000
Term Loan B Facility Due May 2027 | Bausch + Lomb
Long-term debt, net of unamortized debt discount
Stated interest rate on debt (as a percent)	8.68%
Principal Amount	$ 2,456,000,000	2,462,000,000
Total long-term debt and other	$ 2,422,000,000	2,426,000,000
Term Loan B Facility Due September 2028 | Bausch + Lomb
Long-term debt, net of unamortized debt discount
Stated interest rate on debt (as a percent)	9.33%
Principal Amount	$ 498,000,000	499,000,000	$ 500,000,000
Total long-term debt and other	$ 486,000,000	487,000,000
Secured Notes | 5.500% Senior Notes Due November 2025
Long-term debt, net of unamortized debt discount
Stated interest rate on debt (as a percent)	5.50%
Principal Amount	$ 1,680,000,000	1,680,000,000
Total long-term debt and other	$ 1,676,000,000	1,675,000,000
Secured Notes | 6.125% Senior Notes Due February 2027
Long-term debt, net of unamortized debt discount
Stated interest rate on debt (as a percent)	6.125%
Principal Amount	$ 1,000,000,000	1,000,000,000
Total long-term debt and other	$ 991,000,000	990,000,000
Secured Notes | 5.750% Senior Notes Due August 2027
Long-term debt, net of unamortized debt discount
Stated interest rate on debt (as a percent)	5.75%
Principal Amount	$ 500,000,000	500,000,000
Total long-term debt and other	$ 497,000,000	497,000,000
Secured Notes | 4.875% Senior Notes Due June 2028
Long-term debt, net of unamortized debt discount
Stated interest rate on debt (as a percent)	4.875%
Principal Amount	$ 1,600,000,000	1,600,000,000
Total long-term debt and other	$ 1,587,000,000	1,586,000,000
Secured Notes | 11.00% First Lien Senior Notes, Due September 2028
Long-term debt, net of unamortized debt discount
Stated interest rate on debt (as a percent)	11.00%
Principal Amount	$ 1,774,000,000	1,774,000,000
Total long-term debt and other	$ 2,654,000,000	2,654,000,000
Secured Notes | 14.00% Second Lien Senior Notes, Due October 2030
Long-term debt, net of unamortized debt discount
Stated interest rate on debt (as a percent)	14.00%
Principal Amount	$ 352,000,000	352,000,000
Total long-term debt and other	$ 666,000,000	666,000,000
Secured Notes | 8.375% Senior Notes Due October 2028 | Bausch + Lomb
Long-term debt, net of unamortized debt discount
Stated interest rate on debt (as a percent)	8.375%		8.375%
Principal Amount	$ 1,400,000,000	1,400,000,000
Total long-term debt and other	$ 1,378,000,000	1,377,000,000
Secured Notes | 9.00% Intermediate Holdco Senior Notes, Due January 2028
Long-term debt, net of unamortized debt discount
Stated interest rate on debt (as a percent)	9.00%
Principal Amount	$ 999,000,000	999,000,000
Total long-term debt and other	$ 1,318,000,000	1,358,000,000
Unsecured Notes | 9.00% Senior Notes Due December 2025
Long-term debt, net of unamortized debt discount
Stated interest rate on debt (as a percent)	9.00%
Principal Amount	$ 840,000,000	955,000,000
Total long-term debt and other	$ 836,000,000	950,000,000
Unsecured Notes | 9.250% Senior Notes Due April 2026
Long-term debt, net of unamortized debt discount
Stated interest rate on debt (as a percent)	9.25%
Principal Amount	$ 601,000,000	737,000,000
Total long-term debt and other	$ 599,000,000	734,000,000
Unsecured Notes | 8.50% Senior Notes Due January 2027
Long-term debt, net of unamortized debt discount
Stated interest rate on debt (as a percent)	8.50%
Principal Amount	$ 643,000,000	643,000,000
Total long-term debt and other	$ 643,000,000	644,000,000
Unsecured Notes | 7.00% Senior Notes Due January 2028
Long-term debt, net of unamortized debt discount
Stated interest rate on debt (as a percent)	7.00%
Principal Amount	$ 171,000,000	171,000,000
Total long-term debt and other	$ 171,000,000	170,000,000
Unsecured Notes | 5.00% Senior Notes Due January 2028
Long-term debt, net of unamortized debt discount
Stated interest rate on debt (as a percent)	5.00%
Principal Amount	$ 433,000,000	433,000,000
Total long-term debt and other	$ 431,000,000	430,000,000
Unsecured Notes | 6.25% Senior Notes Due February 2029
Long-term debt, net of unamortized debt discount
Stated interest rate on debt (as a percent)	6.25%
Principal Amount	$ 821,000,000	821,000,000
Total long-term debt and other	$ 815,000,000	814,000,000
Unsecured Notes | 5.00% Senior Notes Due February 2029
Long-term debt, net of unamortized debt discount
Stated interest rate on debt (as a percent)	5.00%
Principal Amount	$ 452,000,000	452,000,000
Total long-term debt and other	$ 449,000,000	448,000,000
Unsecured Notes | 7.25% Senior Notes Due May 2029
Long-term debt, net of unamortized debt discount
Stated interest rate on debt (as a percent)	7.25%
Principal Amount	$ 337,000,000	337,000,000
Total long-term debt and other	$ 335,000,000	334,000,000
Unsecured Notes | 5.25% Senior Notes Due January 2030
Long-term debt, net of unamortized debt discount
Stated interest rate on debt (as a percent)	5.25%
Principal Amount	$ 779,000,000	779,000,000
Total long-term debt and other	$ 773,000,000	773,000,000
Unsecured Notes | 5.25% Senior Notes Due February 2031
Long-term debt, net of unamortized debt discount
Stated interest rate on debt (as a percent)	5.25%
Principal Amount	$ 463,000,000	463,000,000
Total long-term debt and other	459,000,000	459,000,000
Unsecured Notes | Other
Long-term debt, net of unamortized debt discount
Principal Amount	12,000,000	12,000,000
Total long-term debt and other	12,000,000	12,000,000
Revolving Credit Facility | Revolving Credit Facility Due February 2027
Long-term debt, net of unamortized debt discount
Principal Amount	0	0
Total long-term debt and other	0	0
Revolving Credit Facility | AR Credit Facility Due January 2028
Long-term debt, net of unamortized debt discount
Principal Amount	325,000,000	350,000,000
Total long-term debt and other	325,000,000	350,000,000
Revolving Credit Facility | Revolving Credit Facility Due May 2027 | Bausch + Lomb
Long-term debt, net of unamortized debt discount
Principal Amount	300,000,000	275,000,000
Total long-term debt and other	$ 300,000,000	$ 275,000,000