DESCRIPTION OF BUSINESS (Details)	Jan. 10, 2023
Olin Corporation
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Subsidiary, Ownership Percentage, Parent	51.00%
Noncontrolling Interest [Line Items]
Subsidiary, Ownership Percentage, Parent	51.00%
Mitsui
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Subsidiary, Ownership Percentage, Noncontrolling Owner	49.00%
Noncontrolling Interest [Line Items]
Subsidiary, Ownership Percentage, Noncontrolling Owner	49.00%