PETROCHINA CO LTD Research and Development Expense
PETROCHINA CO LTD (PCCYF) reported Research and Development Expense of CNY 20.02 billion for the 12-month period ending 2022-12-31, per its 20-F filed 2023-04-28.
Discontinued › Expense Statement › Operating Expenses
ifrs-full:ResearchAndDevelopmentExpense · last filed 2023-04-28
| Period end | Research And Development Expense 12 month |
|---|---|
| 2022-12-31 | 20.02B CNY 20-F · filed 2023-04-28 |
| 2021-12-31 | 16.73B CNY 20-F · filed 2023-04-28 |
| 2020-12-31 | 15.75B CNY 20-F · filed 2023-04-28 |
| 2019-12-31 | 15.67B CNY 20-F · filed 2022-04-29 |
| 2018-12-31 | 14.09B CNY 20-F · filed 2021-04-29 |
| 2017-12-31 | 12.32B CNY 20-F · filed 2020-04-29 |
| 2016-12-31 | 11.23B CNY 20-F · filed 2019-04-29 |
| 2015-12-31 | 11.86B CNY 20-F · filed 2018-04-27 |