v3.23.3
Non-marketable Equity Securities (Details) - USD ($)
$ in Millions
Sep. 30, 2023
Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract]    
Initial cost $ 6,389 $ 6,388
Cumulative upward adjustments 293 293
Cumulative impairment/downward adjustments (599) (497)
Carrying value 6,083 6,184
Non-marketable equity securities under equity method 59 17
Total $ 6,142 $ 6,201