v3.25.4
Cover
 12 Months Ended
Dec. 31, 2025
shares
Entity Listings [Line Items]  
Document Type 20-F
Document Registration Statement false
Document Annual Report true
Document Period End Date Dec. 31, 2025
Current Fiscal Year End Date --12-31
Document Transition Report false
Document Shell Company Report false
Entity File Number 1-10257
Entity Registrant Name BARCLAYS BANK PLC
Entity Incorporation, State or Country Code X0
Entity Address, Address Line One 1 CHURCHILL PLACE
Entity Address, City or Town LONDON
Entity Address, Postal Zip Code E14 5HP
Entity Address, Country GB
Entity Common Stock, Shares Outstanding 2,342,558,515
Entity Well-known Seasoned Issuer Yes
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Filer Category Non-accelerated Filer
Entity Emerging Growth Company false
ICFR Auditor Attestation Flag false
Document Financial Statement Error Correction [Flag] false
Document Accounting Standard International Financial Reporting Standards
Entity Shell Company false
Amendment Flag false
Document Fiscal Year Focus 2025
Document Fiscal Period Focus FY
Entity Central Index Key 0000312070
iPath® Bloomberg Commodity Index Total ReturnSM ETN  
Entity Listings [Line Items]  
Title of 12(b) Security iPath® Bloomberg Commodity Index Total ReturnSM ETN
Trading Symbol DJP
Security Exchange Name NYSEArca
iPath® Series B Carbon ETN  
Entity Listings [Line Items]  
Title of 12(b) Security iPath® Series B Carbon ETN
Trading Symbol GRN
Security Exchange Name NYSEArca
iPath® Series B S&P 500 VIX Short-Term FuturesTM ETNs  
Entity Listings [Line Items]  
Title of 12(b) Security iPath® Series B S&P 500 VIX Short-Term FuturesTM ETNs
Trading Symbol VXX
iPath® Series B S&P 500 VIX Mid-Term FuturesTM ETNs  
Entity Listings [Line Items]  
Title of 12(b) Security iPath® Series B S&P 500 VIX Mid-Term FuturesTM ETNs
Trading Symbol VXZ
iPath® Select MLP ETN  
Entity Listings [Line Items]  
Title of 12(b) Security iPath® Select MLP ETN
Trading Symbol ATMP
Business Contact  
Entity Listings [Line Items]  
Entity Address, Address Line One 1 CHURCHILL PLACE
Entity Address, City or Town LONDON
Entity Address, Postal Zip Code E14 5HP
Entity Address, Country GB
Contact Personnel Name HRYN ROBERTS
City Area Code +44
Local Phone Number (0)20 7116 3170