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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 | 9 Months Ended |  |
--- | --- | --- | --- | --- | ---
Sep. 27, 2020 | Sep. 29, 2019 | Jun. 28, 2020 | Sep. 27, 2020 | Sep. 29, 2019 | Sep. 25, 2020 | Dec. 31, 2019
Shareholders Equity [Line Items] |  |  |  |  |  |  |
Shares repurchased during period (in shares) |  |  |  | 3.0 |  |  |
Shares repurchased during period, value | $ 59 | $ 218 |  | $ 1,100 | $ 718 |  |
Total remaining authorization for future common share repurchases | $ 3,000 |  |  | $ 3,000 |  |  |
Accelerate Share Repurchase (ASR) authorized amount |  |  |  |  |  | $ 1,300 |
Number of shares repurchased | $ 1 |  |  | $ 1 |  |  | $ 1
Additional Paid-in Capital |  |  |  |  |  |  |
Shareholders Equity [Line Items] |  |  |  |  |  |  |
Shares repurchased during period, value | $ 59 | $ 146 |  | $ 256 | $ 366 |  |
Rule 10b5-1 |  |  |  |  |  |  |
Shareholders Equity [Line Items] |  |  |  |  |  |  |
Shares repurchased during period (in shares) |  |  |  | 1.6 |  |  |
Shares repurchased during period, value |  |  |  | $ 600 |  |  |
Accelerated Share Repurchase Agreement |  |  |  |  |  |  |
Shareholders Equity [Line Items] |  |  |  |  |  |  |
Shares repurchased during period (in shares) |  |  | 1.4 |  |  |  |
Shares repurchased during period, value |  |  | $ 500 |  |  |  |

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