Loans - Details of Negotiable Obligations (Parenthetical) (Detail) - Medium Term Notes [member] $ in Millions |
Dec. 31, 2025
USD ($)
|
|---|---|
| Nineteen Ninety Seven [member] | |
| Disclosure of detailed information about loans [line items] | |
| Negotiable amount | $ 1,000 |
| Two Thousand Eight [member] | |
| Disclosure of detailed information about loans [line items] | |
| Negotiable amount | $ 10,000 |