CHARGES ASSOCIATED WITH RESTRUCTURING AND OTHER ACTIVITIES - Approved Restructuring Activities by Major Cost Type (Details) $ in Millions	Mar. 31, 2020 USD ($)
Restructuring and related costs
Restructuring and related costs, expected costs	$ 507
Leading Beauty Forward
Restructuring and related costs
Restructuring and related costs, expected costs	967
Leading Beauty Forward | Sales Returns (included in Net Sales)
Restructuring and related costs
Restructuring and related costs, expected costs	14
Leading Beauty Forward | Cost of Sales
Restructuring and related costs
Restructuring and related costs, expected costs	88
Leading Beauty Forward | Restructuring Charges
Restructuring and related costs
Restructuring and related costs, expected costs	507
Leading Beauty Forward | Restructuring Charges | Employee- Related Costs
Restructuring and related costs
Restructuring and related costs, expected costs	461
Leading Beauty Forward | Restructuring Charges | Asset- Related Costs
Restructuring and related costs
Restructuring and related costs, expected costs	7
Leading Beauty Forward | Restructuring Charges | Contract Terminations
Restructuring and related costs
Restructuring and related costs, expected costs	25
Leading Beauty Forward | Restructuring Charges | Other Exit Costs
Restructuring and related costs
Restructuring and related costs, expected costs	14
Leading Beauty Forward | Other Charges
Restructuring and related costs
Restructuring and related costs, expected costs	$ 358