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Loans - Additional Information (Detail) - USD ($)
 12 Months Ended
Jan. 07, 2021
Jul. 31, 2020
Jul. 13, 2020
Jul. 02, 2020
Mar. 23, 2016
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Feb. 12, 2021
Feb. 11, 2021
Disclosure of detailed information about loans [line items]                    
GainLossesFrom from debt exchange [1]           $ 0 $ 21,000,000 $ (29,000,000)    
Negotiable Obligations [member]                    
Disclosure of detailed information about loans [line items]                    
Percentage of discounted present value of the remaining cash flows             10.00%      
GainLossesFrom from debt exchange             $ 21,000,000 $ (29,000,000)    
Negotiable Obligations [member] | Debt Exchange [Member] | Class XVI [Member]                    
Disclosure of detailed information about loans [line items]                    
Percentage of outstanding loan principal 50.00%                  
Percentage of outstanding capital stock 50.00%                  
Negotiable Obligations [member] | Debt Exchange [Member] | Class XLVII [Member]                    
Disclosure of detailed information about loans [line items]                    
Refinancing percentage                   60.00%
Negotiable Obligations [member] | Major Issuance Of Negotiable Obligations [Member] | Class XVI [Member]                    
Disclosure of detailed information about loans [line items]                    
Principal value                 $ 775,800,000  
Negotiable Obligations [member] | Major Issuance Of Negotiable Obligations [Member] | Class XVIII [Member]                    
Disclosure of detailed information about loans [line items]                    
Principal value                 575,600,000  
Negotiable Obligations [member] | Major Issuance Of Negotiable Obligations [Member] | Class XVII [Member]                    
Disclosure of detailed information about loans [line items]                    
Principal value                 747,800,000  
Negotiable Obligations [member] | Major Debt Swap [Member] | Class XLVII [Member]                    
Disclosure of detailed information about loans [line items]                    
Principal value                 247,300,000  
Negotiable Obligations [member] | Major Debt Swap [Member] | Class XIII [Member]                    
Disclosure of detailed information about loans [line items]                    
Principal value                 201,700,000  
Negotiable Obligations [member] | Major Debt Swap [Member] | Class XXXIX [Member]                    
Disclosure of detailed information about loans [line items]                    
Principal value                 368,200,000  
Negotiable Obligations [member] | Major Debt Swap [Member] | Class LIII [Member]                    
Disclosure of detailed information about loans [line items]                    
Principal value                 190,700,000  
Negotiable Obligations [member] | Major Debt Swap [Member] | Class I [Member]                    
Disclosure of detailed information about loans [line items]                    
Principal value                 101,000,000  
Negotiable Obligations [member] | Major Debt Swap [Member] | Class LIV [Member]                    
Disclosure of detailed information about loans [line items]                    
Principal value                 213,400,000  
Negotiable Obligations [member] | Major Debt Swap [Member] | Class XXVIII [Member]                    
Disclosure of detailed information about loans [line items]                    
Principal value                 $ 656,400,000  
ClassXIII NO [Member]                    
Disclosure of detailed information about loans [line items]                    
Payment of cash for debt note exchange     $ 125              
Notes and debentures issued   $ 542,800,000 1,000              
ClassXLVII NO [Member]                    
Disclosure of detailed information about loans [line items]                    
Borrowings, maturity   58.73                
Notional amount   $ 587,300,000                
Payment of cash for debt note exchange   $ 90,000,000                
currency US [Member] | ClassXIII NO [Member]                    
Disclosure of detailed information about loans [line items]                    
Borrowings, maturity       2025            
Notional amount       $ 950,000,000            
Payment of cash for debt note exchange       100            
currency US [Member] | ClassXLVII NO [Member]                    
Disclosure of detailed information about loans [line items]                    
Borrowings, maturity         2021          
Notional amount         $ 1,000,000,000          
Notes and debentures issued       $ 1,000            
Top of range [member] | Negotiable Obligations [member] | Debt Exchange [Member]                    
Disclosure of detailed information about loans [line items]                    
Percentage of appreciation or depreciation on exchange rate 9.00%                  
Top of range [member] | Negotiable Obligations [member] | Debt Exchange [Member] | Class XLVII [Member]                    
Disclosure of detailed information about loans [line items]                    
Proportion of global exchange participation in loans                   59.80%
Top of range [member] | ClassXIII NO [Member]                    
Disclosure of detailed information about loans [line items]                    
Notional amount     $ 925,000,000              
Top of range [member] | currency US [Member] | ClassXIII NO [Member]                    
Disclosure of detailed information about loans [line items]                    
Borrowings, interest rate       8.50%            
Bottom of range [member] | Negotiable Obligations [member] | Debt Exchange [Member]                    
Disclosure of detailed information about loans [line items]                    
Percentage of appreciation or depreciation on exchange rate 1.50%                  
Bottom of range [member] | Negotiable Obligations [member] | Debt Exchange [Member] | Class XLVII [Member]                    
Disclosure of detailed information about loans [line items]                    
Proportion of global exchange participation in loans                   32.00%
[1] See Note 21.