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Investments, Gains (Losses) on Equity Investments (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 27, 2025 | Dec. 28, 2024 | Dec. 30, 2023
Investments, Debt and Equity Securities [Abstract] |  |  |
Unrealized gains (losses) on marketable equity investments, net | $ (311) | $ (218) | $ (99)
Unrealized gains (losses) on non-marketable equity investments | 490 | 92 | 17
Impairment charges on non-marketable equity investments | (300) | (347) | (214)
Unrealized gains (losses) on equity investments, net | (121) | (473) | (296)
Realized gains (losses) on sales of equity investments, net | 635 | 715 | 336
Gains (losses) on equity investments, net | $ 514 | $ 242 | $ 40

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