FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Debt) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Debt Instrument [Line Items]
Short-term Bank Loans and Notes Payable	$ 321		$ 320
Current portion of long-term debt	0		1,249
Other Short-term Borrowings	60		134
Bank drafts and short-term borrowings	381		1,703
Debt Instrument, Face Amount	5,513		6,776
Adjustments to Principal Value, Unamortized basis adjustment from swap terminations	194		201
Debt Instrument, Unamortized Discount	(69)		(72)
Long-term Debt	5,635		6,895
Long-term debt	5,635		5,646
Long-term debt, fair value	5,900		7,100
Interest payments	57	$ 59
Interest Rate Swap [Member]
Debt Instrument [Line Items]
Derivative Liability	(3)		$ (10)
Bridge Loan [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Borrowing Capacity, Description	33,500
1.600% Notes Due 2019 [Member]
Debt Instrument [Line Items]
Repayments of Notes Payable	$ 750
Interest rate on matured debt	1.60%
1.750% Notes Due 2019 [Member]
Debt Instrument [Line Items]
Repayments of Notes Payable	$ 500
Interest rate on matured debt	1.75%
$2.0 Billion Revolving Credit Facility Expiring in January 2020 [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Borrowing Capacity, Description	$ 2,000
$1.5 Billion Revolving Credit Facility Expiring in September 2022 [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Borrowing Capacity, Description	1,500
$1.5 Billion Revolving Credit Facility Expiring in July 2023 [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Borrowing Capacity, Description	1,500
Term Loan Credit Agreement [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Borrowing Capacity, Description	8,000
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Borrowing Capacity, Description	6,000
Revolving Credit Facility [Member] | $1.0 Billion Revolving Credit Facility Expiring in January 2022 [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Borrowing Capacity, Description	1,000
364-Day Tranche [Member] | Term Loan Credit Agreement [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Borrowing Capacity, Description	1,000
Three-Year Tranche [Member] | Term Loan Credit Agreement [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Borrowing Capacity, Description	4,000
Five-Year Tranche [Member] | Term Loan Credit Agreement [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Borrowing Capacity, Description	3,000
Scenario, Adjustment [Member] | Bridge Loan [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Borrowing Capacity, Description	$ 25,500