Contents：
Bill Management APIs
| API Name | Feature |
|---|---|
| DescribeBillDetail | Queries bill details |
| DescribeBillResourceSummary | Queries bill resource summary |
| DescribeBillSummaryByPayMode | Gets the bill summarized according to billing mode |
| DescribeBillSummaryByProduct | Gets the bill summarized according to product |
| DescribeBillSummaryByProject | Gets the bill summarized according to project |
| DescribeBillSummaryByRegion | Gets the bill summarized according to region |
| DescribeBillSummaryByTag | Gets cost distribution over different tags |
