v3.24.1.u1
Non-marketable Equity Securities (Details) - USD ($)
$ in Millions
Mar. 31, 2024
Dec. 31, 2023
Investments, Debt and Equity Securities [Abstract]    
Initial cost $ 6,390 $ 6,389
Cumulative upward adjustments 394 293
Cumulative impairment/downward adjustments (623) (599)
Carrying value 6,161 6,083
Non-marketable equity securities under equity method 57 58
Total $ 6,218 $ 6,141