Summary of significant accounting policies- Various (Details) ¥ in Millions |
6 Months Ended |
12 Months Ended |
|
Sep. 30, 2021
Segment
|
Mar. 31, 2023
CNY (¥)
Segment
|
Mar. 31, 2022
CNY (¥)
Segment
|
Mar. 31, 2021
CNY (¥)
|
| Business combinations and noncontrolling interests |
|
|
|
|
| Net (loss) income attributable to mezzanine equity holders |
|
¥ 365
|
¥ 188
|
¥ 140
|
| Segment reporting |
|
|
|
|
| Number of operating segment | Segment |
4
|
7
|
7
|
|
| Number of reportable segment | Segment |
4
|
7
|
7
|
|
| Revenue recognition |
|
|
|
|
| Practical expedient, unsatisfied performance obligations |
|
true
|
|
|
| Practical expedient, financing component |
|
true
|
|
|
| Sales and marketing expenses |
|
|
|
|
| Advertising and promotional expenses |
|
¥ 76,818
|
¥ 91,103
|
57,073
|
| Other employee benefits |
|
|
|
|
| Contribution amount charged to the consolidated income statements |
|
13,953
|
13,086
|
8,223
|
| Government grants |
|
|
|
|
| Government grants recored as specific costs and expenses |
|
5,889
|
6,028
|
4,532
|
| Government grants recorded as other income |
|
1,857
|
1,661
|
¥ 1,589
|
| Government grants recorded as other liabilities |
|
1,687
|
1,071
|
|
| Accounts receivable |
|
|
|
|
| Allowance for doubtful accounts |
|
¥ 6,174
|
¥ 4,912
|
|
| Minimum |
|
|
|
|
| Equity securities and other investments |
|
|
|
|
| Treasury investment original maturity term |
|
1 year
|
|
|
| Treasury investment remaining maturity term |
|
1 year
|
|
|
| Maximum |
|
|
|
|
| Equity securities and other investments |
|
|
|
|
| Treasury investment remaining maturity term |
|
3 years
|
|
|