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STOCKHOLDERS' EQUITY - Dividends (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 29, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Sep. 29, 2019 | Sep. 30, 2018
Dividends Payable [Line Items] |  |  |  |  |
Cash dividends paid and unpaid, amount | $ 679 |  | $ 1,201 | $ 2,551 | $ 2,346
Cash dividends declared (in dollars per share) | $ 2.40 |  | $ 4.20 | $ 9.00 | $ 8.20
Cash dividends paid per common share (in dollars per share) | 2.20 |  | $ 2.00 | $ 6.60 | $ 6.00
Dividends declared increase (in dollars per share) | $ 0.20 |  |  |  |
Dividend Declared |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |
Cash dividends paid and unpaid, amount |  | $ 632 | $ 569 |  |
Cash dividends declared (in dollars per share) |  | $ 2.20 | $ 2.00 |  |

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