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Geographic information (Long-lived assets by individual countries) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Segment Reporting Information [Line Items] |  |
Long-lived assets | $ 63,232,874 | $ 36,641,664
Geographic concentration risk | Long-lived assets |  |
Segment Reporting Information [Line Items] |  |
Percentage of long-lived assets | 100.00% | 100.00%
China |  |
Segment Reporting Information [Line Items] |  |
Long-lived assets | $ 9,995,971 | $ 7,472,852
China | Geographic concentration risk | Long-lived assets |  |
Segment Reporting Information [Line Items] |  |
Percentage of long-lived assets | 15.80% | 20.40%
United States |  |
Segment Reporting Information [Line Items] |  |
Long-lived assets | $ 9,654,045 | $ 4,257,232
United States | Geographic concentration risk | Long-lived assets |  |
Segment Reporting Information [Line Items] |  |
Percentage of long-lived assets | 15.30% | 11.60%
Other countries |  |
Segment Reporting Information [Line Items] |  |
Long-lived assets | $ 43,582,858 | $ 24,911,580
Other countries | Geographic concentration risk | Long-lived assets |  |
Segment Reporting Information [Line Items] |  |
Percentage of long-lived assets | 68.90% | 68.00%

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