Annual report pursuant to Section 13 and 15(d)

Other Comprehensive Income (Accumulated Other Comprehensive Income) (Details)

v3.22.0.1
Other Comprehensive Income (Accumulated Other Comprehensive Income) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest $ 7,765 $ 8,135 $ 6,804 $ 6,829
Other Comprehensive Income (Loss), Net of Tax (144) 118 1  
Comprehensive loss attributable to debt credit risk adjustments (19) 0 0  
Recognition Of Previously Unrealized Gains Losses On Debt 3 0 0  
Other Significant Noncash Transaction, Value of Consideration Received   1,514    
Accumulated Other Comprehensive Income Loss Attributable To Debt Credit Risk Adjustment Member        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest (3) 16    
Comprehensive loss attributable to debt credit risk adjustments (19)      
Other Significant Noncash Transaction, Value of Consideration Received   16    
Recognition of previously unrealized losses on debt        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest 3      
Recognition Of Previously Unrealized Gains Losses On Debt 3      
Accumulated Foreign Currency Adjustment Attributable to Parent        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest (146) (33) (144) (144)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent (113) 111    
AOCI Including Portion Attributable to Noncontrolling Interest        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest (146) (17) $ (144) $ (144)
Other Comprehensive Income (Loss), Net of Tax $ (129) 111    
Other Significant Noncash Transaction, Value of Consideration Received   $ 16