OTHER LIABILITIES, INCLUDING EMPLOYEE BENEFITS (Postretirement and Other Benefits) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Selling, general and administrative expenses	$ 414	$ 443	$ 477
Postemployment Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Accounts payable and accrued liabilities	7	6
Other non-current liabilities	44	39
Postretirement Medical and Life Insurance Benefit Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Accounts payable and accrued liabilities	13	13
Other non-current liabilities	$ 112	$ 115
Discount rate	3.00%	4.20%
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]
2019	$ 13
2020	12
2021	11
2022	11
2023	10
2024 through 2028	42
Net periodic benefit cost	$ 4	$ 5
Discount rate	4.20%	3.50%	3.80%
Health care cost trend rates for the next fiscal year	7.75%
Ultimate health care cost trend rate	4.25%