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Accounts Receivable (Accounts Receivable) (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Less: Allowance for doubtful accounts | $ (55) | $ (66)
Accounts receivable, net | 441 | 379
Retail And Wholesale [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accounts receivable | 450 | 388
Other [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accounts receivable | $ 46 | $ 57

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