FAIR VALUE MEASUREMENTS AND FINANCIAL INSTRUMENTS - Assets and Liabilities Measured at Fair Value on a Recurring Basis, Narrative (Details) $ in Millions		6 Months Ended
	Dec. 16, 2019 USD ($)	Jun. 30, 2022 USD ($) appeal	Dec. 31, 2021 USD ($)	Jun. 30, 2021 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Highly liquid investments, maturity period (or less)		3 months
Cash and cash equivalents		$ 659	$ 582	$ 642
Bausch + Lomb
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents		446
Bausch + Lomb. To Be Distributed To Other Legal Entities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents		92
US Securities Litigation | Settled Litigation | NEW JERSEY
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Settlement, escrow fund included in restricted cash and other settlement deposits	$ 1,210	$ 1,210
Settlement, escrow fund included in restricted cash, number of objectors' appeals | appeal		1