BUSINESS ACQUISITIONS (Details) - USD ($) $ in Millions		3 Months Ended
	Feb. 11, 2019	Mar. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Business Acquisition [Line Items]
Goodwill		$ 6,605	$ 6,563	$ 6,335
Customer Relationships
Business Acquisition [Line Items]
Intangible assets, useful life		18 years
Boyce & Bynum
Business Acquisition [Line Items]
Consideration	$ 61
Cash paid for acquisition	55
Goodwill	41
Goodwill, expected tax deductible amount	35
Boyce & Bynum | Customer Relationships
Business Acquisition [Line Items]
Intangible assets	$ 20
Intangible assets, useful life	15 years
Boyce & Bynum | Fair Value, Inputs, Level 3
Business Acquisition [Line Items]
Contingent consideration, liability	$ 6