v3.26.1
Sales Of Receivables (Finance Receivables Sold) (Details) - Equipment Installment - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Gross receivables sold $ 3,516 $ 3,835
Net receivables sold 3,355 3,688
Cash proceeds received 3,483 3,798
Guarantee obligation recorded $ 279 $ 280