v3.26.1
Sales Of Receivables (Summary of Receivables and Accounts) (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Equipment Installment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Gross receivable $ 2,961 $ 3,725
Other Assets 1,147 1,535
Outstanding portfolio of receivables derecognized from our consolidated balance sheets 12,585 11,987
Cash proceeds received, net of remittances 9,838 9,617
Equipment Installment | Notes receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts receivable 1,532 1,886
Equipment Installment | Trade receivables    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts receivable 282 304
Revolving Receivables Program    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Gross receivable 377 425
Other Assets 0 0
Outstanding portfolio of receivables derecognized from our consolidated balance sheets 2,940 2,940
Cash proceeds received, net of remittances 2,940 2,940
Revolving Receivables Program | Notes receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts receivable 0 0
Revolving Receivables Program | Trade receivables    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts receivable $ 377 $ 425