v3.24.2
Non-marketable Equity Securities
6 Months Ended
Jun. 30, 2024
Investments, Debt and Equity Securities [Abstract]  
Non-marketable Equity Securities Non-marketable Equity Securities
Our non-marketable equity securities are investments in privately-held companies without readily determinable fair values. The following table summarizes our non-marketable equity securities that were measured using measurement alternative or equity method (in millions):

June 30, 2024December 31, 2023
Non-marketable equity securities under measurement alternative:
Initial cost$6,397 $6,389 
Cumulative upward adjustments394 293 
Cumulative impairment/downward adjustments(640)(599)
Carrying value6,151 6,083 
Non-marketable equity securities under equity method56 58 
Total$6,207 $6,141