v3.26.1
Schedule of Assets (Held at End of Year) - Schedule of Assets (Details) - EBP 001
12 Months Ended
Dec. 31, 2025
USD ($)
Loan
shares
Dec. 31, 2024
USD ($)
shares
EBP, Schedule of Asset Held for Investment [Line Items]    
Entity Tax Identification Number 20-0546644  
EBP, Plan Number 001  
Par value or number of units | shares 2,611,105 2,743,255
Total investments $ 2,239,194,835 $ 2,002,495,932
Participant loans 16,956,086  
Total assets $ 2,256,150,921  
Number of loans | Loan 1,375  
Investment, Identifier [Axis]: Avantis U.S. Small Cap Equity Fund Institutional Mutual fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] Avantis U.S. Small Cap Equity Fund Institutional [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember  
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund  
Par value or number of units | shares 3,598,938  
Current value $ 41,783,672  
Investment, Identifier [Axis]: BAT Stock Fund-BAT American Depository Shares Unitized company stock fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] BAT Stock Fund BAT American Depository Share [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember  
EBP, Asset Held for Investment, Party-in-Interest [true false] true  
EBP, Investment, Current Value, Type [Extensible Enumeration] Unitized Company Stock Fund [Member]  
Par value or number of units | shares 2,611,105  
Current value $ 147,840,765  
Investment, Identifier [Axis]: BAT Stock Fund-Fidelity Money Market Fund Cash management account - money market fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] BAT Stock Fund Fidelity Money Market Fund [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember  
EBP, Asset Held for Investment, Party-in-Interest [true false] true  
EBP, Investment, Current Value, Type [Extensible Enumeration] Cash Management Account Money Market Fund  
Par value or number of units | shares 2,702,938  
Current value $ 2,702,938  
Investment, Identifier [Axis]: BTC Lifepath 2030 J Common/collective investment trust    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] BTC Lifepath 2030 J [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember  
EBP, Investment, Current Value, Type [Extensible Enumeration] Common/collective Investment Trust  
Par value or number of units | shares 4,564,567  
Current value $ 78,513,298  
Investment, Identifier [Axis]: BTC Lifepath 2035 J Common/collective investment trust    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] BTC Lifepath 2035 J [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember  
EBP, Investment, Current Value, Type [Extensible Enumeration] Common/collective Investment Trust  
Par value or number of units | shares 5,326,000  
Current value $ 98,876,662  
Investment, Identifier [Axis]: BTC Lifepath 2040 J Common/collective investment trust    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] BTC Lifepath 2040 J [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember  
EBP, Investment, Current Value, Type [Extensible Enumeration] Common/collective Investment Trust  
Par value or number of units | shares 5,518,296  
Current value $ 109,808,577  
Investment, Identifier [Axis]: BTC Lifepath 2045 J Common/collective investment trust    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] BTC Lifepath 2045 J [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember  
EBP, Investment, Current Value, Type [Extensible Enumeration] Common/collective Investment Trust  
Par value or number of units | shares 5,001,018  
Current value $ 105,870,548  
Investment, Identifier [Axis]: BTC Lifepath 2050 J Common/collective investment trust    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] BTC Lifepath 2050 J [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember  
EBP, Investment, Current Value, Type [Extensible Enumeration] Common/collective Investment Trust  
Par value or number of units | shares 5,410,068  
Current value $ 119,680,437  
Investment, Identifier [Axis]: BTC Lifepath 2055 J Common/collective investment trust    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] BTC Lifepath 2055 J [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember  
EBP, Investment, Current Value, Type [Extensible Enumeration] Common/collective Investment Trust  
Par value or number of units | shares 2,768,234  
Current value $ 62,252,334  
Investment, Identifier [Axis]: BTC Lifepath 2060 J Common/collective investment trust    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] BTC Lifepath 2060 J [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember  
EBP, Investment, Current Value, Type [Extensible Enumeration] Common/collective Investment Trust  
Par value or number of units | shares 1,274,187  
Current value $ 28,695,592  
Investment, Identifier [Axis]: BTC Lifepath 2065 J Common/collective investment trust    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] BTC Lifepath 2065 J [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember  
EBP, Investment, Current Value, Type [Extensible Enumeration] Common/collective Investment Trust  
Par value or number of units | shares 755,663  
Current value $ 14,240,092  
Investment, Identifier [Axis]: BTC Lifepath Retirement J Common/collective investment trust    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] BTC Lifepath Retirement J [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember  
EBP, Investment, Current Value, Type [Extensible Enumeration] Common/collective Investment Trust  
Par value or number of units | shares 6,363,280  
Current value $ 97,598,082  
Investment, Identifier [Axis]: Dodge and Cox International Stock Mutual fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] Dodge and Cox International Stock [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember  
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund  
Par value or number of units | shares 2,740,238  
Current value $ 45,104,322  
Investment, Identifier [Axis]: Fidelity Retirement Money Market Fund Cash management account - money market fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] Fidelity Retirement Money Market Fund [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember  
EBP, Asset Held for Investment, Party-in-Interest [true false] true  
EBP, Investment, Current Value, Type [Extensible Enumeration] Cash Management Account Money Market Fund  
Par value or number of units | shares 89,127  
Current value $ 89,127  
Investment, Identifier [Axis]: Galliard Stable Return Fund W (Interest Income Fund) Common/collective investment trust    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] Galliard Stable Return Fund W (Interest Income Fund) [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember  
EBP, Investment, Current Value, Type [Extensible Enumeration] Common/collective Investment Trust  
Par value or number of units | shares 3,605,864  
Current value $ 243,095,162  
Investment, Identifier [Axis]: JOHCM GLB EM OPS IS Mutual fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] JOHCM GLB EM OPS IS [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember  
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund  
Par value or number of units | shares 1,130,376  
Current value $ 16,853,900  
Investment, Identifier [Axis]: JP Morgan Disciplined Equity Fund Class R6 Mutual fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] JP Morgan Disciplined Equity Fund Class R6 [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember  
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund  
Par value or number of units | shares 5,460,900  
Current value $ 261,686,312  
Investment, Identifier [Axis]: PIF DVRSD REAL AST I Mutual fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] PIF DVRSD REAL AST I [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember  
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund  
Par value or number of units | shares 378,717  
Current value $ 4,635,492  
Investment, Identifier [Axis]: PIMCO Income A Mutual fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] PIMCO Income A [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember  
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund  
Par value or number of units | shares 2,006,867  
Current value $ 22,055,464  
Investment, Identifier [Axis]: PIMCO Total Return Fund Mutual fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] PIMCO Total Return Fund [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember  
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund  
Par value or number of units | shares 3,550,569  
Current value $ 31,458,038  
Investment, Identifier [Axis]: Self-Directed Brokerage Accounts    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] Self Directed Brokerage Accounts [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember  
Par value or number of units | shares 201,149,223  
Current value $ 201,060,562  
Investment, Identifier [Axis]: T. Rowe Price Global Growth Equity Trust A Common/collective investment trust    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] T. Rowe Price Global Growth Equity Trust A [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember  
EBP, Investment, Current Value, Type [Extensible Enumeration] Common/collective Investment Trust  
Par value or number of units | shares 1,618,506  
Current value $ 34,457,989  
Investment, Identifier [Axis]: Vanguard Institutional Total Bond Market Index Trust Common/collective investment trust    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] Vanguard Institutional Total Bond Market Index Trust [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember  
EBP, Investment, Current Value, Type [Extensible Enumeration] Common/collective Investment Trust  
Par value or number of units | shares 189,055  
Current value $ 20,826,306  
Investment, Identifier [Axis]: Vanguard Institutional Total International Stock Market Index Trust Common/collective investment trust    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] Vanguard Institutional Total International Stock Market Index Trust [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember  
EBP, Investment, Current Value, Type [Extensible Enumeration] Common/collective Investment Trust  
Par value or number of units | shares 280,457  
Current value $ 39,401,411  
Investment, Identifier [Axis]: Vanguard Institutional Total Stock Market Index Trust Common/collective investment trust    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Issuer Name [Extensible Enumeration] Vanguard Institutional Total Stock Market Index Trust [Member]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember  
EBP, Investment, Current Value, Type [Extensible Enumeration] Common/collective Investment Trust  
Par value or number of units | shares 2,969,394  
Current value $ 410,607,753  
Mutual Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember  
Current value $ 423,577,200  
Total investments $ 423,577,200 $ 808,872,959
Cash Management Account Money Market Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember  
Current value $ 2,792,065  
Common/collective Investment Trust    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember  
Current value $ 1,463,924,243  
Maximum    
EBP, Schedule of Asset Held for Investment [Line Items]    
Interest rates 4.25%  
Maturity dates Dec. 01, 2040  
Minimum    
EBP, Schedule of Asset Held for Investment [Line Items]    
Interest rates 9.50%  
Maturity dates Jan. 01, 2026