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Debt - Repurchase Agreement (Details) - USD ($)
$ in Millions
6 Months Ended
Jul. 29, 2022
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Debt Instrument [Line Items]        
Equipment installment plan receivables   $ 1,074   $ 1,085
Repayment of long-term debt   227 $ 775  
Repurchase Agreement        
Debt Instrument [Line Items]        
Maximum borrowing capacity   200    
Amount borrowed during the period   60    
Amount borrowed and outstanding   60    
Unused borrowing capacity   140    
Repurchase Agreement | Subsequent event        
Debt Instrument [Line Items]        
Amount repaid during the period $ 50      
Repurchase Agreement | Assets available to be pledged        
Debt Instrument [Line Items]        
Equipment installment plan receivables   $ 638    
SOFR rate | Repurchase Agreement        
Debt Instrument [Line Items]        
Contractual spread   1.25%