Annual report [Section 13 and 15(d), not S-K Item 405]

Income Taxes - Net Operating Loss and Tax Credit Carryforwards (Details)

v3.25.4
Income Taxes - Net Operating Loss and Tax Credit Carryforwards (Details)
$ in Millions
 12 Months Ended
Dec. 31, 2025
USD ($)
Tax Credit Carryforward [Line Items]  
Deferred Tax Asset, General business credits $ 3,920
Valuation Allowance, General business credits 0
Net Deferred Tax Asset, General business credits 3,920
Net operating losses before benefit of federal deductions 492
Valuation allowance before considering benefit of federal deductions 307
Foreign tax credits  
Tax Credit Carryforward [Line Items]  
Deferred Tax Asset, Foreign tax credits 1,052
Valuation Allowance, Foreign tax credits (1,052)
Net Deferred Tax Asset, Foreign tax credits 0
Net operating losses – non-U.S.  
Tax Credit Carryforward [Line Items]  
Deferred Tax Asset 67
Valuation Allowance (25)
Net Deferred Tax Asset 42
Net operating losses – non-U.S. | United Kingdom  
Tax Credit Carryforward [Line Items]  
Deferred Tax Asset 7,447
Valuation Allowance 0
Net Deferred Tax Asset 7,447
Net operating losses – U.S. states  
Tax Credit Carryforward [Line Items]  
Deferred Tax Asset 389
Valuation Allowance (242)
Net Deferred Tax Asset $ 147