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Composition of Certain Financial Statement Items Equity Method and Non-marketable Equity Investments (Details) - USD ($)
$ in Millions
Sep. 29, 2024
Sep. 24, 2023
Equity Method and Non-Marketable Equity Investments [Abstract]    
Equity method investments $ 154 $ 164
Non-marketable equity investments [1] 1,187 1,072
Carrying value of equity method and non-marketable equity investments 1,341 1,236
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Cumulative Amount 370 241
Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Cumulative Amount $ 385 $ 335
[1] Cumulative unrealized gains were $370 million and $241 million at September 29, 2024 and September 24, 2023, respectively. Cumulative unrealized losses, including impairments, were $385 million and $335 million at September 29, 2024 and September 24, 2023, respectively.