v3.26.1
Cover
6 Months Ended
Jun. 30, 2026
Document Information [Line Items]  
Document Type 6-K
Entity File Number 001-38159
Entity Registrant Name BRITISH AMERICAN TOBACCO P.L.C.
Entity Address, Address Line One Globe House
Entity Address, Address Line Two 4 Temple Place
Entity Address, City or Town London
Entity Address, Postal Zip Code WC2R 2PG
Entity Address, Country GB
Document Period End Date Jun. 30, 2026
Amendment Flag false
Entity Central Index Key 0001303523
Current Fiscal Year End Date --12-31