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STOCKHOLDERS' EQUITY - Repurchases of Common Stock (Narrative) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 27, 2021 | Jun. 28, 2020 | Jun. 27, 2021 | Jun. 28, 2020
Shareholders Equity [Line Items] |  |  |  |
Reduction to stockholders' equity due to repurchases of common stock | $ 500 | $ 277 | $ 1,500 | $ 1,041
Total remaining authorization for future common share repurchases | $ 1,500 |  | $ 1,500 |
Number of shares repurchased | $ 1 |  | $ 1 |
Accelerated Share Repurchase Agreement |  |  |  |
Shareholders Equity [Line Items] |  |  |  |
Shares repurchased during period (in shares) |  |  | 4.2 |
Rule 10b-1 |  |  |  |
Shareholders Equity [Line Items] |  |  |  |
Reduction to stockholders' equity due to repurchases of common stock |  |  | $ 1,500 |

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