Employees

Idemitsu Kosan Co.,Ltd. - Filing #7560056

Concept	As at 2023-03-31	As at 2023-03-31	As at 2023-03-31	As at 2023-03-31	As at 2023-03-31	As at 2023-03-31	As at 2023-03-31	As at 2023-03-31	As at 2023-03-31	As at 2023-03-31	As at 2023-03-31	As at 2023-03-31	As at 2023-03-31	As at 2023-03-31	As at 2022-03-31	As at 2022-03-31	As at 2021-03-31	As at 2021-03-31	As at 2020-03-31	As at 2020-03-31	As at 2019-03-31	As at 2019-03-31
Employees
Information about reporting company
Information about employees of reporting company
Number of employees	755 xbrli:pure	7,176 xbrli:pure	498 xbrli:pure	892 xbrli:pure	5,089 xbrli:pure	14,363 xbrli:pure	148 xbrli:pure	3,759 xbrli:pure	468 xbrli:pure	2,347 xbrli:pure	1,054 xbrli:pure	140 xbrli:pure	1,121 xbrli:pure	1,094 xbrli:pure	14,209 xbrli:pure	5,123 xbrli:pure	14,044 xbrli:pure	5,192 xbrli:pure	13,766 xbrli:pure	4,985 xbrli:pure	9,476 xbrli:pure	3,976 xbrli:pure
Average number of temporary employees	62 xbrli:pure	3,861 xbrli:pure	62 xbrli:pure	219 xbrli:pure	1,069 xbrli:pure	4,864 xbrli:pure	40 xbrli:pure	558 xbrli:pure	61 xbrli:pure	455 xbrli:pure	45 xbrli:pure	27 xbrli:pure	276 xbrli:pure	267 xbrli:pure	4,794 xbrli:pure	1,046 xbrli:pure	5,031 xbrli:pure	1,026 xbrli:pure	4,507 xbrli:pure	804 xbrli:pure	3,922 xbrli:pure	806 xbrli:pure
Average age (Years)	—	—	—	—	42 xbrli:pure	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Average age (Months)	—	—	—	—	1 xbrli:pure	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Average length of service (Years)	—	—	—	—	17 xbrli:pure	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Average length of service (Months)	—	—	—	—	9 xbrli:pure	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Average annual salary	—	—	—	—	9,496,351 JPY	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—