BUSINESS OPTIMIZATION CHARGES - Summary of Business Optimization Charges (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 26	$ 10	$ 93	$ 35
Business Optimization Programs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	26	10	93	35
Costs to implement business optimization programs	16	8	30	10
Total business optimization charges	$ 42	$ 18	$ 123	$ 45

Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost.

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