LONG-TERM DEBT AND CREDIT AGREEMENTS (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Total long-term debt, including current portion	$ 12,598	$ 12,628
Less current portion	(4,000)	(2,872)
Long-term Debt and Capital Lease Obligations	8,598	9,756
1.40% notes due 2019 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 1,250	1,250
Debt Instrument, Interest Rate, Stated Percentage	1.40%
Three year floating rate notes due 2019 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 250	250
Two Year Floating Rate Notes Due 2019 [Member]
Debt Instrument [Line Items]
Senior Notes	450	450
1.80% notes due 2019 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 750	750
Debt Instrument, Interest Rate, Stated Percentage	1.80%
0.65% Euro notes due 2020 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 1,123	1,145
Debt Instrument, Interest Rate, Stated Percentage	0.65%
4.25% notes due 2021 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 800	800
Debt Instrument, Interest Rate, Stated Percentage	4.25%
1.85% notes due 2021 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 1,500	1,500
Debt Instrument, Interest Rate, Stated Percentage	1.85%
1.30% Euro notes due 2023 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 1,404	1,432
Debt Instrument, Interest Rate, Stated Percentage	1.30%
3.35% notes due 2023 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 300	300
Debt Instrument, Interest Rate, Stated Percentage	3.35%
2.50% notes due 2026 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 1,500	1,500
Debt Instrument, Interest Rate, Stated Percentage	2.50%
2.25% Euro notes due 2028 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 842	859
Debt Instrument, Interest Rate, Stated Percentage	2.25%
5.70% notes due 2036 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 441	441
Debt Instrument, Interest Rate, Stated Percentage	5.70%
5.70% notes due 2037 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 462	462
Debt Instrument, Interest Rate, Stated Percentage	5.70%
5.375% notes due 2041 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 417	417
Debt Instrument, Interest Rate, Stated Percentage	5.375%
3.812% notes due 2047 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 445	445
Debt Instrument, Interest Rate, Stated Percentage	3.812%
Industrial development bond obligations, floating rate maturing at various dates through 2037 [Member]
Debt Instrument [Line Items]
Industrial development bond	$ 22	22
6.625% debentures due 2028 [Member]
Debt Instrument [Line Items]
Junior Subordinated Notes	$ 201	201
Debt Instrument, Interest Rate, Stated Percentage	6.625%
9.065% debentures due 2033 [Member]
Debt Instrument [Line Items]
Junior Subordinated Notes	$ 51	51
Debt Instrument, Interest Rate, Stated Percentage	9.065%
Other Including Capitalized Leases And Debt Issuance Costs 5.2% Weighted Average Maturing At Various Dates Through 2025 [Member]
Debt Instrument [Line Items]
Other long term debt	$ 390	$ 353
Debt, Weighted Average Interest Rate	5.20%
Syndicate Of Banks [Member] \| $1.5B 364-Day Credit Agreement [Member]
Line of Credit Facility [Line Items]
Line of credit facility, current borrowing capacity	$ 1,500
Line of credit facility, maximum borrowing capacity	1,500
Line of credit facility, remaining borrowing capacity	1,500
Syndicate Of Banks [Member] \| 5-Year Credit Agreement
Line of Credit Facility [Line Items]
Line of credit facility, current borrowing capacity	4,000
Line of credit facility, maximum borrowing capacity	4,500
Line of credit facility, remaining borrowing capacity	$ 4,500

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Contractual interest rate for funds borrowed, under the debt agreement.

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Weighted average interest rate of debt outstanding.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of long-term debt (with maturities initially due after one year or beyond the operating cycle if longer) identified as Junior Subordinated Notes, which have a lower priority than senior instruments.

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Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

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