ACQUISITIONS AND DISPOSITIONS - Wirtgen Identifiable Intangible Assets (Details) - Wirtgen Group Holding GmbH (Wirtgen) $ in Millions	1 Months Ended
Dec. 24, 2017 USD ($)
Fair Values and Weighted-Average Useful Lives
Fair values	$ 1,442
Customer Lists and Relationships
Fair Values and Weighted-Average Useful Lives
Weighted-average useful lives (in years)	16 years
Fair values	$ 519
Technology, Patents, Trademarks, and Other
Fair Values and Weighted-Average Useful Lives
Weighted-average useful lives (in years)	19 years
Fair values	$ 923

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