Sales of Certain Receivables - Schedule of Variable Interest Entities - EIP (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Variable Interest Entity [Line Items]
Other current liabilities	$ 2,575	$ 1,965
EIP Securitization Arrangement
Variable Interest Entity [Line Items]
Other current liabilities	90	81
Other long-term liabilities	$ 13	$ 32

Amount of liabilities classified as other.

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+ Details

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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