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EMPLOYEE BENEFIT PLANS (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Retirement Benefits [Abstract]
Defined benefit plans	$ 25	$ 22
Defined contribution plans	30	25
Multi-employer pension plans	$ 5	$ 5

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Amount of contribution received by defined benefit plan from employer which increases plan assets.

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