REVENUE RECOGNITION - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Jan. 01, 2020	Dec. 31, 2019	Jan. 01, 2019	Dec. 31, 2018
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Cooperative advertising credits included in rebates	$ 1,841,000,000	$ 2,261,000,000	$ 1,841,000,000	$ 2,261,000,000		$ 2,050,000,000		$ 2,384,000,000
Price appreciation credits	1,664,000,000	2,152,000,000	3,676,000,000	4,168,000,000
Allowances for credit loss	52,000,000		52,000,000			$ 48,000,000
Price Appreciation Credit
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Price appreciation credits			4,000,000	0
Rebates, Advertising Credits Portion
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Cooperative advertising credits included in rebates	$ 32,000,000	$ 30,000,000	$ 32,000,000	$ 30,000,000	$ 29,000,000		$ 26,000,000