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Investments - Gains (Losses) on Equity Investments (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 28, 2025 | Jun. 29, 2024 | Jun. 28, 2025 | Jun. 29, 2024
Investments, Debt and Equity Securities [Abstract] |  |  |  |
Unrealized gains (losses) on marketable equity investments | $ (58) | $ (222) | $ (350) | $ 30
Unrealized gains (losses) on non-marketable equity investments | 473 | 24 | 473 | 48
Impairment charges | (51) | (91) | (156) | (159)
Unrealized gains (losses) on equity investments, net | 364 | (289) | (33) | (81)
Realized gains (losses) on sales of equity investments, net | 138 | 169 | 423 | 166
Gains (losses) on equity investments, net | $ 502 | $ (120) | $ 390 | $ 85

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