Annual report pursuant to Section 13 and 15(d)

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

v3.22.0.1
Income Taxes - Net Operating Loss and Tax Credit Carryforwards (Details) - USD ($)
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Tax Credit Carryforward [Line Items]    
Deferred Tax Asset $ 9,360,000,000 $ 7,717,000,000
Deferred Tax Asset 705,000,000 $ 484,000,000
Net operating losses before benefit of federal deductions 1,500,000,000  
Valuation allowance before considering benefit of federal deductions 772,000,000  
Foreign tax credits    
Tax Credit Carryforward [Line Items]    
Deferred Tax Asset 705,000,000  
Valuation Allowance (705,000,000)  
Net Deferred Tax Asset 0  
Net operating losses – non-U.S.    
Tax Credit Carryforward [Line Items]    
Deferred Tax Asset 494,000,000  
Valuation Allowance (253,000,000)  
Net Deferred Tax Asset 241,000,000  
Net operating losses – non-U.S. | United Kingdom    
Tax Credit Carryforward [Line Items]    
Deferred Tax Asset 7,713,000,000  
Valuation Allowance 0  
Net Deferred Tax Asset 7,713,000,000  
Net operating losses – U.S. states    
Tax Credit Carryforward [Line Items]    
Deferred Tax Asset 1,153,000,000  
Valuation Allowance (610,000,000)  
Net Deferred Tax Asset $ 543,000,000