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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 |

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