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Revenue- Breakdown by segment (Details) ¥ in Millions, $ in Millions	6 Months Ended
	Sep. 30, 2020 CNY (¥)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 CNY (¥)
Revenue breakdown
Revenue	¥ 308,810	$ 45,483	¥ 233,941
Customer management
Revenue breakdown
Revenue	112,173		94,310
Logistics services
Revenue breakdown
Revenue	23,937		14,996
Core commerce
Revenue breakdown
Revenue	264,240		200,764
Core commerce | Logistics services | Cainiao Network
Revenue breakdown
Revenue	15,939		9,764
Core commerce | Local consumer services
Revenue breakdown
Revenue	15,940		13,015
Core commerce | Others
Revenue breakdown
Revenue	6,934		4,070
Core commerce | International | Retail
Revenue breakdown
Revenue	14,801		11,574
Core commerce | International | Wholesale
Revenue breakdown
Revenue	6,714		4,679
Core commerce | PRC | Retail
Revenue breakdown
Revenue	196,791		151,387
Core commerce | PRC | Retail | Customer management
Revenue breakdown
Revenue	140,553		116,432
Core commerce | PRC | Retail | Others
Revenue breakdown
Revenue	56,238		34,955
Core commerce | PRC | Wholesale
Revenue breakdown
Revenue	7,121		6,275
Cloud computing
Revenue breakdown
Revenue	27,244		17,078
Digital media and entertainment
Revenue breakdown
Revenue	15,060		13,868
Innovation initiatives and others
Revenue breakdown
Revenue	¥ 2,266		¥ 2,231

X

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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