Hybrid Bonds - Summary of Hybrid Bonds (Parenthetical) (Detail) - Private hybrid bonds [Member] |
12 Months Ended |
---|---|
Dec. 31, 2022 | |
After 10 years [Member] | |
Annual interest rate, additional premium | 0.25% |
Annual interest rate, additional premium period | 10 years |
After 25 years [Member] | |
Annual interest rate, additional premium | 0.75% |
Annual interest rate, additional premium period | 25 years |