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

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

v3.25.0.1
Income Taxes - Net Operating Loss and Tax Credit Carryforwards (Details)
 12 Months Ended
Dec. 31, 2024
USD ($)
Tax Credit Carryforward [Line Items]  
Deferred Tax Asset, General business credits $ 2,861,000,000
Valuation Allowance, General business credits 0
Net Deferred Tax Asset, General business credits 2,861,000,000
Net operating losses before benefit of federal deductions 664,000,000
Valuation allowance before considering benefit of federal deductions 459,000,000
Foreign tax credits  
Tax Credit Carryforward [Line Items]  
Deferred Tax Asset, Foreign tax credits 823,000,000
Valuation Allowance, Foreign tax credits (823,000,000)
Net Deferred Tax Asset, Foreign tax credits 0
Net operating losses – non-U.S.  
Tax Credit Carryforward [Line Items]  
Deferred Tax Asset 135,000,000
Valuation Allowance (41,000,000)
Net Deferred Tax Asset 94,000,000
Net operating losses – non-U.S. | United Kingdom  
Tax Credit Carryforward [Line Items]  
Deferred Tax Asset 7,519,000,000
Valuation Allowance 0
Net Deferred Tax Asset 7,519,000,000
Net operating losses – U.S. states  
Tax Credit Carryforward [Line Items]  
Deferred Tax Asset 525,000,000
Valuation Allowance (363,000,000)
Net Deferred Tax Asset $ 162,000,000