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INVESTMENTS - Debt Securities (Details) - USD ($) $ in Millions | 9 Months Ended |
--- | --- | ---
Sep. 27, 2024 | Sep. 29, 2023 | Dec. 31, 2023
Cost |  |  |
Trading securities | $ 46 |  | $ 43
Available-for-sale securities | 1,738 |  | 1,136
Total debt securities | 1,784 |  | 1,179
Gains |  |  |
Trading securities | 1 | $ 0 |
Available-for-sale securities | 25 |  | 26
Total debt securities | 26 | 26 |
Losses |  |  |
Trading securities | (1) | $ (2) |
Available-for-sale securities | (58) |  | (28)
Total debt securities | (59) |  | (30)
Estimated Fair Value |  |  |
Trading securities | 46 |  | 41
Available-for-sale securities | 1,705 |  | 1,134
Total debt securities | $ 1,751 |  | $ 1,175

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