v3.26.3
Financial Instruments - Gains and Losses on Marketable and Non-Marketable Equity Securities (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Fair Value Disclosures [Abstract]        
Gross unrealized gain on non-marketable equity securities accounted for under the measurement alternative $ 3,386 $ 10,583 $ 117,203 $ 20,924
Gross unrealized loss (including impairments) on non-marketable equity securities accounted for under the measurement alternative (359) (346) (887) (1,188)
Unrealized net gain (loss) on non-marketable equity securities accounted for under the measurement alternative 3,027 10,237 116,316 19,736
Unrealized net gain (loss) on marketable and other equity securities (12,436) 447 9,377 1,447
Realized net gain (loss) on marketable and non-marketable equity securities sold during the period 745 50 1,589 595
Total gain (loss) on equity securities in other income (expense), net $ (8,664) $ 10,734 $ 127,282 $ 21,778