FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Debt) (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)
Debt Instrument [Line Items]
Short-term Bank Loans and Notes Payable	$ 63		$ 63		$ 176
Current portion of long-term debt	2,497		2,497		2,000
Other Short-term Borrowings	95		95		164
Bank drafts and short-term borrowings	2,655		2,655		2,340
Debt Instrument, Face Amount	43,666		43,666		48,711
Adjustments to Principal Value, Unamortized basis adjustment from swap terminations	131		131		149
Debt Instrument, Unamortized Discount	(279)		(279)		(303)
Debt Instrument, Unamortized Premium	1,466		1,466		1,755
Total Debt	45,000		45,000		50,336
Long-term debt	42,503		42,503		48,336
Long-term debt, fair value	50,600		50,600		58,500
Interest payments	807	$ 845
Line of Credit Facility, Maximum Borrowing Capacity	$ 6,000		$ 6,000
Number of Revolving Credit Facilities	4		4
Payment for Debt Extinguishment or Debt Prepayment Cost			$ 4,000
Unrealized Gain (Loss) on Investments	$ 11	778	353	$ 550
Gain (Loss) on Extinguishment of Debt	0	$ 0	(281)	$ 0
Extinguishment of Debt, Amount			3,500
Interest Rate Swap [Member]
Debt Instrument [Line Items]
Derivative Liability	16		16		$ 24
2.875% Senior Notes due 2021
Debt Instrument [Line Items]
Debt Instrument, Face Amount	500		500
2.55% Senior Notes due 2021
Debt Instrument [Line Items]
Debt Instrument, Face Amount	1,000		1,000
$2 Billion Maximum Borrowing Capacity
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	2,000		2,000
$1 Billion Maximum Borrowing Capacity
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	1,000		1,000
$1.5 Billion Maximum Borrowing Capacity
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 1,500		$ 1,500