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Other Financial Statement Details - Other Income (Expense), Net (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Other Income and Expenses [Abstract]    
Interest income $ 15 $ 33
Interest expense (58) (37)
Net losses on strategic investments (120) (124)
Other (7) (7)
Other income (expense), net $ (170) $ (135)