Quarterly report pursuant to Section 13 or 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
Mar. 31, 2023
Dec. 31, 2022
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total cash equivalents $ 174 $ 261
Total short-term investments 791 839
U.S. Treasury securities | Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total short-term investments 791 839
Money market funds | Level 1    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total cash equivalents 149 204
U.S. Treasury securities | Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total cash equivalents $ 25 $ 57