XML 27 R17.htm IDEA: XBRL DOCUMENT
v3.26.1

Assets Held for Sale | 12 Months Ended
--- | ---
Dec. 31, 2025
TextBlock 1 [Abstract] |
Assets Held for Sale |
10. | Assets Held for Sale
Details of assets held for sale as of December 31, 2024 and 2025 are as follows:
(in millions of Won) |  | 2024(*1,2) |  |  | 2025 |
Asset |  |  |  |  |  |  |  |
Cash and cash equivalents |  | ￦ | — |  |  |  | 1,924 |
Trade accounts and notes receivable and other receivables |  |  | — |  |  |  | 314 |
Other financial assets |  |  | 604,439 |  |  |  | 7,276 |
Property, plant and equipment |  |  | 4,319 |  |  |  | 10,361 |
Intangible assets |  |  | — |  |  |  | 285 |
Others |  |  | — |  |  |  | 7 |
|  | ￦ | 608,758 |  |  |  | 20,167 |
Liability |  |  |  |  |  |  |  |
Other payables |  | ￦ | — |  |  |  | 3,419 |
Provisions |  |  | — |  |  |  | 259 |
|  | ￦ | — |  |  |  | 3,678 |
(*1) | During the year ended December 31, 2025, the Company disposed of the equity security of Nippon Steel Corporation amounting to ￦ 467,796 million, which had been classified as assets held for sale during the year ended December 31, 2024, and recognized loss on disposal of assets held for sale of ￦ 9,883 million.
(*2) | The equity securities of AES Mong Duong Power Co., Ltd. and Mong Duong Finance Holdings B.V, which had been classified as assets held for sale during the year ended December 31, 2024, were disposed of during the year ended December 31, 2025.

X
- Definition The disclosure of non-current assets or disposal groups classified as held for sale. [Refer: Non-current assets or disposal groups classified as held for sale] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2027-01-01 -Name IAS -Number 1 -IssueDate 2025-01-01 -Paragraph 10 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_10_e&doctype=Standard -URIDate 2025-03-27 + Details
Name: | ifrs-full_DisclosureOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | dtr-2022: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