LONG-TERM DEBT AND CREDIT AGREEMENTS (Details) - USD ($)	9 Months Ended
Sep. 30, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Total long-term debt, including current portion	$ 15,189,000,000	$ 12,628,000,000
Less current portion	(4,088,000,000)	(2,872,000,000)
Long-term Debt and Lease Obligation	11,101,000,000	9,756,000,000
Prior 5-Year Credit Agreement [Member]
Line of Credit Facility [Line Items]
Line of credit facility, borrowing capacity of prior agreement	4,000,000,000.0
1.40% notes due 2019 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 1,250,000,000	1,250,000,000
Debt Instrument, Interest Rate, Stated Percentage	1.40%
Three year floating rate notes due 2019 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 250,000,000	250,000,000
Two Year Floating Rate Notes Due 2019 [Member]
Debt Instrument [Line Items]
Senior Notes	450,000,000	450,000,000
1.80% notes due 2019 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 750,000,000	750,000,000
Debt Instrument, Interest Rate, Stated Percentage	1.80%
0.65% Euro notes due 2020 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 1,093,000,000	1,145,000,000
Debt Instrument, Interest Rate, Stated Percentage	0.65%
4.25% notes due 2021 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 800,000,000	800,000,000
Debt Instrument, Interest Rate, Stated Percentage	4.25%
1.85% notes due 2021 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 1,500,000,000	1,500,000,000
Debt Instrument, Interest Rate, Stated Percentage	1.85%
2.15% notes due 2022 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 600,000,000	0
Debt Instrument, Interest Rate, Stated Percentage	2.15%
Floating rate notes due 2022 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 600,000,000	0
1.30% Euro notes due 2023 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 1,367,000,000	1,432,000,000
Debt Instrument, Interest Rate, Stated Percentage	1.30%
3.35% notes due 2023 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 300,000,000	300,000,000
Debt Instrument, Interest Rate, Stated Percentage	3.35%
2.30% notes due 2024 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 750,000,000	0
Debt Instrument, Interest Rate, Stated Percentage	2.30%
2.50% notes due 2026 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 1,500,000,000	1,500,000,000
Debt Instrument, Interest Rate, Stated Percentage	2.50%
2.25% Euro notes due 2028 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 820,000,000	859,000,000
Debt Instrument, Interest Rate, Stated Percentage	2.25%
2.70% notes due 2029 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 750,000,000	0
Debt Instrument, Interest Rate, Stated Percentage	2.70%
5.70% notes due 2036 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 441,000,000	441,000,000
Debt Instrument, Interest Rate, Stated Percentage	5.70%
5.70% notes due 2037 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 462,000,000	462,000,000
Debt Instrument, Interest Rate, Stated Percentage	5.70%
5.375% notes due 2041 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 417,000,000	417,000,000
Debt Instrument, Interest Rate, Stated Percentage	5.375%
3.812% notes due 2047 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 445,000,000	445,000,000
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	$ 22,000,000	22,000,000
6.625% debentures due 2028 [Member]
Debt Instrument [Line Items]
Junior Subordinated Notes	$ 201,000,000	201,000,000
Debt Instrument, Interest Rate, Stated Percentage	6.625%
9.065% debentures due 2033 [Member]
Debt Instrument [Line Items]
Junior Subordinated Notes	$ 51,000,000	51,000,000
Debt Instrument, Interest Rate, Stated Percentage	9.065%
Other (including capitalized leases and debt issuance costs 6.0% weighted average maturing at various dates through 2025 [Member]
Debt Instrument [Line Items]
Other long term debt	$ 370,000,000	$ 353,000,000
Debt, Weighted Average Interest Rate	6.00%
The 2019 Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Description	On August 8, 2019, the Company issued $600 million 2.15% Senior Notes due 2022, $600 million Floating Rate Senior Notes due 2022, $750 million 2.30% Senior Notes due 2024 and $750 million 2.70% Senior Notes due 2029 (collectively the "2019 Notes")
Gross proceeds	$ 2,700,000,000
Discount and closing costs related to the offering	18,000,000
Syndicate Of Banks [Member] \| $1.5B 364-Day Credit Agreement [Member]
Line of Credit Facility [Line Items]
Line of credit facility, current borrowing capacity	1,500,000,000
Line of credit facility, maximum borrowing capacity	1,500,000,000
Line of credit facility, remaining borrowing capacity	1,500,000,000
Syndicate Of Banks [Member] \| 5-Year Credit Agreement
Line of Credit Facility [Line Items]
Line of credit facility, current borrowing capacity	4,000,000,000.0
Line of credit facility, maximum borrowing capacity	4,500,000,000
Line of credit facility, remaining borrowing capacity	$ 4,500,000,000

Industrial development bond

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

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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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