RETIREMENT AND POSTRETIREMENT BENEFIT PLANS (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Net periodic benefit costs:
Employer contributions	$ 4	$ 5
Expected contribution to defined benefit pension plans during the reminder of 2017	3
Pension Benefit
Net periodic benefit costs:
Interest cost	1	1
Expected return on plan assets	(1)	(1)
Settlement loss	3	3
Total	3	3
Postretirement Benefit
Net periodic benefit costs:
Service cost	1	1
Interest cost	1	1
Total	$ 2	$ 2