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INVESTMENTS (Tables) | 9 Months Ended
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Sep. 26, 2025
Investments, Debt and Equity Securities [Abstract] |
Carrying value of equity securities by balance sheet location | The carrying values of our equity securities were included in the following line items in our consolidated balance sheets (in millions):
| Fair Value with Changes Recognized in Income | Measurement Alternative — No Readily Determinable Fair Value
September 26, 2025 |  |
Marketable securities | $ | 477 |  | $ | — |
Other noncurrent assets | 1,964 |  | 44 |
Total equity securities | $ | 2,441 |  | $ | 44 |
December 31, 2024 |  |
Marketable securities | $ | 418 |  | $ | — |
Other noncurrent assets | 1,616 |  | 40 |
Total equity securities | $ | 2,034 |  | $ | 40 |
Unrealized Gain (Loss) on Investments | The calculation of net unrealized gains and losses recognized during the period related to equity securities still held at the end of the period is as follows (in millions):
| Three Months Ended
| September 26, 2025 | September 27, 2024
Net gains (losses) recognized during the period related to equity securities | $ | 165 |  | $ | 116 |
Less: Net gains (losses) recognized during the period related to equity securities sold during the period | 17 |  | 18 |
Net unrealized gains (losses) recognized during the period related to equity securities still held at the end of the period | $ | 148 |  | $ | 98 |
| Nine Months Ended
| September 26, 2025 | September 27, 2024
Net gains (losses) recognized during the period related to equity securities | $ | 315 |  | $ | 351 |
Less: Net gains (losses) recognized during the period related to equity securities sold during the period | 38 |  | 85 |
Net unrealized gains (losses) recognized during the period related to equity securities still held at the end of the period | $ | 277 |  | $ | 266 |
Schedule of available-for-sale and trading securities | Our debt securities consisted of the following (in millions):
|  | Gross Unrealized | Estimated Fair Value
| Cost | Gains | Losses
September 26, 2025 |  |  |  |
Trading securities | $ | 48 |  | $ | 1 |  | $ | — |  | $ | 49 |
Available-for-sale securities | 1,807 |  | 23 |  | (74) |  | 1,756 |
Total debt securities | $ | 1,855 |  | $ | 24 |  | $ | (74) |  | $ | 1,805 |
December 31, 2024 |  |  |  |
Trading securities | $ | 45 |  | $ | 1 |  | $ | (1) |  | $ | 45 |
Available-for-sale securities | 1,728 |  | 21 |  | (118) |  | 1,631 |
Total debt securities | $ | 1,773 |  | $ | 22 |  | $ | (119) |  | $ | 1,676 |
Carrying values of debt securities by balance sheet location | The carrying values of our debt securities were included in the following line items in our consolidated balance sheets (in millions):
| September 26, 2025 |  | December 31, 2024
| Trading Securities | Available-for-Sale Securities |  | Trading Securities | Available-for-Sale Securities
Marketable securities | $ | 49 |  | $ | 1,381 |  |  | $ | 45 |  | $ | 1,260 |
Other noncurrent assets | — |  | 375 |  |  | — |  | 371 |
Total debt securities | $ | 49 |  | $ | 1,756 |  |  | $ | 45 |  | $ | 1,631 |
Contractual maturities of available-for-sale debt securities | The contractual maturities of these available-for-sale debt securities as of September 26, 2025 were as follows (in millions):
| Cost | Estimated Fair Value |  |  |
Within 1 year | $ | 405 |  | $ | 399 |  |  |  |
After 1 year through 5 years | 1,186 |  | 1,147 |  |  |  |
After 5 years through 10 years | 41 |  | 47 |  |  |  |
After 10 years | 175 |  | 163 |  |  |  |
Total | $ | 1,807 |  | $ | 1,756 |  |  |  |
Realized Gain (Loss) on Investments | The sale and/or maturity of available-for-sale debt securities resulted in the following realized activity (in millions):
| Three Months Ended |  | Nine Months Ended
| September 26, 2025 | September 27, 2024 |  | September 26, 2025 | September 27, 2024
Gross gains | $ | — |  | $ | 9 |  |  | $ | 3 |  | $ | 14 |
Gross losses | (1) |  | (1) |  |  | (5) |  | (10) |
Proceeds | 397 |  | 206 |  |  | 604 |  | 646 |

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