The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. Also includes money received or receivable on escrow services in connection with the provision of online and mobile commerce related services.

No definition available.

Name:	baba_RestrictedCashAndCashEquivalentsAtCarryingValueAndEscrowReceivables
Namespace Prefix:	baba_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Restricted cash and escrow receivables (Details) ¥ in Millions, $ in Millions	Mar. 31, 2018 USD ($)	Mar. 31, 2018 CNY (¥)	Mar. 31, 2017 CNY (¥)
Restricted cash
Restricted cash and escrow receivables	$ 545	¥ 3,417	¥ 2,655
Money received or receivable on escrow services offered by AliExpress
Restricted cash
Restricted cash and escrow receivables		3,171	2,528
Others
Restricted cash
Restricted cash and escrow receivables		¥ 246	¥ 127