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v3.21.2

Investments and Fair Value Measurement - Summarized Financial Information (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2021 | Mar. 31, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020
Net Income (Loss) Attributable to Parent [Abstract] |  |  |  |  |  |
Loss from operations | $ (1,188) |  | $ (1,607) | $ (2,712) | $ (2,870) |
Net loss | 1,144 |  | $ (1,775) | 1,036 | $ (4,711) |
Balance Sheet Data |  |  |  |  |  |
Total current assets | 7,783 |  |  | 7,783 |  | $ 9,882
Total assets | 36,251 |  |  | 36,251 |  | 33,252
Total current liabilities | 7,684 |  |  | 7,684 |  | 6,865
Total liabilities | 20,507 |  |  | 20,507 |  | 19,498
Redeemable non-controlling interests | $ 1,569 |  |  | $ 1,569 |  | $ 787
Aurora |  |  |  |  |  |
Net Income (Loss) Attributable to Parent [Abstract] |  |  |  |  |  |
Total operating expenses |  | $ 192 |  |  |  |
Loss from operations |  | (192) |  |  |  |
Net loss |  | (189) |  |  |  |
Balance Sheet Data |  |  |  |  |  |
Total current assets |  | 952 |  |  |  |
Total assets |  | 2,929 |  |  |  |
Total current liabilities |  | 114 |  |  |  |
Total liabilities |  | 248 |  |  |  |
Redeemable non-controlling interests |  | $ 2,161 |  |  |  |

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