v3.23.2
Investments and Fair Value Measurement - Fair Value on a Recurring Basis (Details) - USD ($)
$ in Millions
Jun. 30, 2023
Dec. 31, 2022
Financial Assets    
Non-marketable equity securities $ 2,011 $ 2,111
Recurring    
Financial Assets    
Non-marketable equity securities 3 3
Marketable equity securities 2,986 2,177
Note receivable from a related party 108 110
Total financial assets 7,207 5,361
Financial Liabilities    
Total financial liabilities 0 2
Recurring | Call Option    
Financial Liabilities    
MLU B.V. Call Option 0 2
Recurring | Money market funds    
Financial Assets    
Money market funds 1,573 1,005
Recurring | U.S. government and agency securities    
Financial Assets    
Debt securities available-for-sale 2,122 1,975
Recurring | Commercial paper    
Financial Assets    
Debt securities available-for-sale 376 76
Recurring | Corporate bonds    
Financial Assets    
Debt securities available-for-sale 39 15
Recurring | Level 1    
Financial Assets    
Non-marketable equity securities 0 0
Marketable equity securities 2,986 2,177
Note receivable from a related party 0 0
Total financial assets 4,559 3,182
Financial Liabilities    
Total financial liabilities 0 0
Recurring | Level 1 | Call Option    
Financial Liabilities    
MLU B.V. Call Option 0 0
Recurring | Level 1 | Money market funds    
Financial Assets    
Money market funds 1,573 1,005
Recurring | Level 1 | U.S. government and agency securities    
Financial Assets    
Debt securities available-for-sale 0 0
Recurring | Level 1 | Commercial paper    
Financial Assets    
Debt securities available-for-sale 0 0
Recurring | Level 1 | Corporate bonds    
Financial Assets    
Debt securities available-for-sale 0 0
Recurring | Level 2    
Financial Assets    
Non-marketable equity securities 0 0
Marketable equity securities 0 0
Note receivable from a related party 0 0
Total financial assets 2,537 2,066
Financial Liabilities    
Total financial liabilities 0 0
Recurring | Level 2 | Call Option    
Financial Liabilities    
MLU B.V. Call Option 0 0
Recurring | Level 2 | Money market funds    
Financial Assets    
Money market funds 0 0
Recurring | Level 2 | U.S. government and agency securities    
Financial Assets    
Debt securities available-for-sale 2,122 1,975
Recurring | Level 2 | Commercial paper    
Financial Assets    
Debt securities available-for-sale 376 76
Recurring | Level 2 | Corporate bonds    
Financial Assets    
Debt securities available-for-sale 39 15
Recurring | Level 3    
Financial Assets    
Non-marketable equity securities 3 3
Marketable equity securities 0 0
Note receivable from a related party 108 110
Total financial assets 111 113
Financial Liabilities    
Total financial liabilities 0 2
Recurring | Level 3 | Call Option    
Financial Liabilities    
MLU B.V. Call Option 0 2
Recurring | Level 3 | Money market funds    
Financial Assets    
Money market funds 0 0
Recurring | Level 3 | U.S. government and agency securities    
Financial Assets    
Debt securities available-for-sale 0 0
Recurring | Level 3 | Commercial paper    
Financial Assets    
Debt securities available-for-sale 0 0
Recurring | Level 3 | Corporate bonds    
Financial Assets    
Debt securities available-for-sale $ 0 $ 0