ACQUISITIONS, DIVESTITURES AND OTHER ARRANGEMENTS ASSETS HELD-FOR-SALE (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018	Dec. 31, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal			$ (8)	$ 25	$ (8)	$ 70
Cash and cash equivalents			28,404	$ 4,999	28,404	$ 4,999	$ 6,911	$ 5,421
Receivables			5,667		5,667		5,965
Inventories			1,308		1,308		1,195
Property, plant and equipment			4,849		4,849		5,027
Goodwill			6,533		6,533		6,538
Total Assets			55,163		55,163		34,986
Accounts payable			2,005		2,005		1,892
Other liabilities, noncurrent			1,897		1,897		1,516
Total Liabilities			39,012		39,012		20,859
Scenario, Forecast [Member] | UPSA [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from Sales of Business, Affiliate and Productive Assets		$ 1,600
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal		$ 1,200
Scenario, Forecast [Member] | ANAGNI [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from Sales of Business, Affiliate and Productive Assets	$ 50
Disposal Group, Held-for-sale, Not Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash and cash equivalents			18		18		0
Receivables			40		40		79
Inventories			94		94		81
Property, plant and equipment			229		229		187
Goodwill			132		132		127
Other Assets			23		23		5
Total Assets			536		536		479
Accounts payable			31		31		35
Accrued liabilities			81		81		78
Deferred Tax Liabilities, Net			26		26		25
Other liabilities, noncurrent			25		25		14
Total Liabilities			163		163		152
Net Assets			$ 373		373		$ 327
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | ANAGNI [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Tangible Asset Impairment Charges					$ 109