Bonds Payable - Summary of Domestic Unsecured Bonds And Overseas Unsecured Bonds (Detail) - Domestic Unsecured Bonds Hundred And Thirteen One Green Bond [Member] - Taiwan [member] - Non Adjusting Events After Reporting Period [Member] $ in Millions |
4 Months Ended |
|---|---|
|
Apr. 18, 2024
TWD ($)
| |
| Tranche A [member] | |
| Disclosure of detailed information about borrowings [line items] | |
| Issuance starting period | 2024-03 |
| Issuance ending period | 2029-03 |
| Domestic unsecured bonds | $ 12,000.0 |
| Coupon Rate | 1.64% |
| Repayment and Interest Payment | Bullet repayment; interest payable annually |
| Tranche B [member] | |
| Disclosure of detailed information about borrowings [line items] | |
| Issuance starting period | 2024-03 |
| Issuance ending period | 2034-03 |
| Domestic unsecured bonds | $ 10,800.0 |
| Coupon Rate | 1.76% |
| Repayment and Interest Payment | Bullet repayment; interest payable annually |