XML 11 R1.htm IDEA: XBRL DOCUMENT v3.26.1
Cover Page
 12 Months Ended
Dec. 31, 2025
shares
Document Information [Line Items]  
Document Type 20-F
Amendment Flag false
Document Period End Date Dec. 31, 2025
Document Fiscal Year Focus 2025
Document Fiscal Period Focus FY
Entity Registrant Name POSCO HOLDINGS INC.
Entity Central Index Key 0000889132
Current Fiscal Year End Date --12-31
Entity Well-known Seasoned Issuer Yes
Entity File Number 1-13368
Entity Current Reporting Status Yes
Entity Filer Category Large Accelerated Filer
Entity Emerging Growth Company false
Entity Shell Company false
Entity Common Stock, Shares Outstanding 75,620,779
Entity Interactive Data Current Yes
Document Annual Report true
Document Transition Report false
Document Shell Company Report false
Entity Address, Country KR
Entity Voluntary Filers No
ICFR Auditor Attestation Flag true
Document Registration Statement false
Document Accounting Standard International Financial Reporting Standards
Entity Address, Address Line One POSCO Center
Entity Address, Address Line Two 440 Teheran-ro, Gangnam-gu
Entity Address, City or Town Seoul
Entity Address, Postal Zip Code 06194
Entity Incorporation, State or Country Code M5
Auditor Name EY Han Young
Auditor Firm ID 1437
Auditor Location Seoul, Republic of Korea
Document Financial Statement Error Correction [Flag] false
Business Contact [Member]  
Document Information [Line Items]  
Entity Address, Country KR
Entity Address, Address Line One POSCO Center
Entity Address, Address Line Two 440 Teheran-ro, Gangnam-gu
Entity Address, City or Town Seoul
Entity Address, Postal Zip Code 06194
Contact Personnel Name Chung, Ihn-young
Local Phone Number 3457-1073
City Area Code 82-2
ADS [Member]  
Document Information [Line Items]  
Trading Symbol PKX
Title of 12(b) Security American Depositary Shares, each representing one-fourth of one share of common stock
Security Exchange Name NYSE
Common Stock [Member]  
Document Information [Line Items]  
Trading Symbol PKX
Title of 12(b) Security Common Stock, par value Won 5,000 per share
Security Exchange Name NYSE