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v3.22.1

Segment reporting (Details 2) ¥ in Millions, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 CNY (¥) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 CNY (¥) | Dec. 31, 2019 CNY (¥)
Share-based compensation | ¥ (9,134) |  | ¥ (4,156) | ¥ (3,695)
Total | 4,141 | $ 650 | 12,343 | 8,995
Unallocated items |  |  |  |
Share-based compensation | (9,134) |  | (4,156) | (3,695)
Amortization of intangible assets resulting from assets and business acquisitions | (940) |  | (723) | (885)
Effects of business cooperation arrangements | 29 |  | 236 | 822
Total | ¥ (10,045) |  | ¥ (4,643) | ¥ (3,758)

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