XML 76 R66.htm IDEA: XBRL DOCUMENT
v3.26.1

Other Assets (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2025
TextBlock 1 [Abstract] |
Summary of Other Current Assets and Other Non-Current Assets | Other assets as of December 31, 2024 and 2025 are as follows:
(in millions of Won) |  | 2024 |  |  | 2025 |
Current |  |  |  |  |  |  |  |
Advance payments |  | ￦ | 509,922 |  |  |  | 582,909 |
Prepaid expenses |  |  | 259,145 |  |  |  | 186,066 |
Firm commitment asset |  |  | 2,489 |  |  |  | 9,221 |
Others |  |  | 15,387 |  |  |  | 35,326 |
|  | ￦ | 786,943 |  |  |  | 813,522 |
Non-current |  |  |  |  |  |  |  |
Long-term advance payments |  | ￦ | 33,308 |  |  |  | 54,896 |
Long-term prepaid expenses |  |  | 20,689 |  |  |  | 18,156 |
Others |  |  | 79,687 |  |  |  | 62,631 |
|  | ￦ | 133,684 |  |  |  | 135,683 |

X
- Definition Disclosure of detailed information about other assets. + References No definition available. + Details
Name: | pkx_DisclosureOfDetailedInformationAboutOtherAssetsExplanatory
Namespace Prefix: | pkx_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition TextBlock 1. + References No definition available. + Details
Name: | pkx_Textblock1Abstract
Namespace Prefix: | pkx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration