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DEBT AND FINANCING ARRANGEMENTS DEBT AND FINANCING ARRANGEMENTS - Average Interest Rate (Details) - USD ($) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2019 | Apr. 01, 2019 | Dec. 31, 2018
Debt Instrument [Line Items] |  |  |
Principal Value | $ 26,388,000,000 |  |
Senior notes | 1.125% senior notes |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, stated interest rate percentage |  | 5.125% |
Principal Value |  | $ 1,000,000,000.00 |
Senior notes | 5.125% senior notes |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, stated interest rate percentage | 5.125% |  |
Principal Value | $ 1,000,000,000 |  |
Average Effective Percentage Rate | 4.48% |  | 3.99%
Senior notes | 5.50% senior notes |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, stated interest rate percentage | 5.50% |  |
Principal Value | $ 750,000,000 |  |
Average Effective Percentage Rate | 0.00% |  | 3.63%
Senior notes | 3.125% senior notes |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, stated interest rate percentage | 3.125% |  |
Principal Value | $ 1,500,000,000 |  |
Average Effective Percentage Rate | 2.59% |  | 2.32%
Senior notes | 2.45% senior notes |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, stated interest rate percentage | 2.45% |  |
Principal Value | $ 1,000,000,000 |  |
Maturity | Oct. 01, 2022 |  |
Average Effective Percentage Rate | 3.03% |  | 2.77%

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