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Condensed Consolidated Statements of Comprehensive Loss - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Statement of Comprehensive Income [Abstract]        
Net loss $ (53) $ (329) $ (29) $ (267)
Other comprehensive loss:        
Unrealized losses on investments (6) 0 (26) 0
Total other comprehensive loss (6) 0 (26) 0
Comprehensive loss $ (59) $ (329) $ (55) $ (267)