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Debt - Asset-Backed Debt Narrative (Detail)
$ in Millions
1 Months Ended 3 Months Ended
Apr. 27, 2023
USD ($)
series
Mar. 31, 2023
USD ($)
Debt Instrument [Line Items]    
Repayments of debt   $ 1,040
Asset-Backed Debt    
Debt Instrument [Line Items]    
Secured debt, carrying value   20,800
Asset Backed Notes    
Debt Instrument [Line Items]    
Principal amount issued   932
Asset Backed Notes | Subsequent Event    
Debt Instrument [Line Items]    
Principal amount issued $ 1,200  
Number of series issued | series 2  
Secured Debt | Asset Backed Notes    
Debt Instrument [Line Items]    
Repayments of debt   $ 931
Secured Debt | Asset Backed Notes | Subsequent Event    
Debt Instrument [Line Items]    
Repayments of debt $ 104  
Secured Debt | Asset Backed Notes | Minimum    
Debt Instrument [Line Items]    
Revolving period   18 months
Secured Debt | Asset Backed Notes | Median    
Debt Instrument [Line Items]    
Revolving period   2 years
Secured Debt | Asset Backed Notes | Maximum    
Debt Instrument [Line Items]    
Revolving period   3 years
Senior Notes | Asset Backed Notes | Subsequent Event    
Debt Instrument [Line Items]    
Stated interest rate on debt instrument 4.751%  
Junior Notes | Asset Backed Notes | Subsequent Event    
Debt Instrument [Line Items]    
Stated interest rate on debt instrument 4.911%