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Significant equity transactions, mergers and acquisitions and investments - Trendyol (Details) - Trendyol ¥ in Millions, $ in Millions	1 Months Ended
	Apr. 30, 2020 CNY (¥)	Apr. 30, 2020 USD ($)
Equity transactions, mergers and acquisitions and investments
Total investment consideration	¥ 884	$ 125
Increase in noncontrolling interests	¥ 108
Equity interest held (as a percentage)	86.00%	86.00%

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Percentage of voting equity interests acquired in a business combination achieved in stages, including equity interests in the acquiree held by the acquirer immediately before the acquisition date and acquired at the acquisition date.

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