COMMITMENTS AND CONTINGENCIES Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Loss Contingencies [Line Items]
Loss Contingency Accrual	$ 11		$ 18
Loss Contingency Accrual, Payments	7	$ 0
Total	489
NYC Waste Contract [Member]
Loss Contingencies [Line Items]
Estimated Investment For Project	35
Letter of Credit [Member]
Loss Contingencies [Line Items]
Total	72
Surety Bonds [Member]
Loss Contingencies [Line Items]
Total	205
Revolving Credit Facility [Member] | Letter of Credit [Member]
Loss Contingencies [Line Items]
Total	212
Expiring One Year From Balance Sheet Date [Member]
Loss Contingencies [Line Items]
Total	92
Expiring One Year From Balance Sheet Date [Member] | Letter of Credit [Member]
Loss Contingencies [Line Items]
Less Than One Year	72
Expiring One Year From Balance Sheet Date [Member] | Surety Bonds [Member]
Loss Contingencies [Line Items]
Less Than One Year	0
Expiring One Year From Balance Sheet Date [Member] | Revolving Credit Facility [Member] | Letter of Credit [Member]
Loss Contingencies [Line Items]
Less Than One Year	20
Expiring After One Year From Balance Sheet Date [Member]
Loss Contingencies [Line Items]
Total	397
Expiring After One Year From Balance Sheet Date [Member] | Letter of Credit [Member]
Loss Contingencies [Line Items]
More Than One Year	0
Expiring After One Year From Balance Sheet Date [Member] | Surety Bonds [Member]
Loss Contingencies [Line Items]
More Than One Year	205
Expiring After One Year From Balance Sheet Date [Member] | Revolving Credit Facility [Member] | Letter of Credit [Member]
Loss Contingencies [Line Items]
More Than One Year	$ 192
Sanfeng Environmental [Member]
Loss Contingencies [Line Items]
Sale of Stock, Percentage of Ownership before Transaction	15.00%
Loss Contingency Accrual, Payments	$ 7