Annual report pursuant to Section 13 and 15(d)

Cash, Cash Equivalents and Short-Term Investments - Cash, Cash Equivalents and Short-Term Investments Measured at Fair Value on Recurring Basis (Details)

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Cash, Cash Equivalents and Short-Term Investments - Cash, Cash Equivalents and Short-Term Investments Measured at Fair Value on Recurring Basis (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total cash equivalents $ 261 $ 1,610
Total short-term investments 839 0
Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total short-term investments 839 0
U.S. Treasury securities | Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total short-term investments 839 0
Money market funds | Level 1    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total cash equivalents 204 1,610
U.S. Treasury securities | Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total cash equivalents $ 57 $ 0