| Equity instruments, amount contributed to fair value of plan assets | ||
| Debt instruments, amount contributed to fair value of plan assets | ||
| Real estate, amount contributed to fair value of plan assets | ||
| Other assets, amount contributed to fair value of plan assets | ||
| Equity instruments, percentage contributed to fair value of plan assets | ||
| Debt instruments, percentage contributed to fair value of plan assets | ||
| Real estate, percentage contributed to fair value of plan assets | ||
| Other assets, percentage contributed to fair value of plan assets | ||