Device Payment Plan Agreement and Wireless Service Receivables - Schedule of Device Payment Plan Agreement Receivables (Detail) - USD ($) $ in Millions |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Receivables [Abstract] | ||
| Device payment plan agreement receivables, gross | $ 33,611 | $ 34,004 |
| Unamortized imputed interest | (1,038) | (1,053) |
| Device payment plan agreement receivables, at amortized cost | 32,573 | 32,951 |
| Allowance | (1,693) | (1,628) |
| Device payment plan agreement receivables, net | 30,880 | 31,323 |
| Accounts receivable, net | 15,706 | 15,777 |
| Other assets | $ 15,174 | $ 15,546 |
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- Definition Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amortized cost, after allowance for credit loss, of financing receivable classified as current. Excludes net investment in lease. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after allowance for credit loss, of financing receivable, classified as noncurrent. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amortized cost, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Disclosure of the unamortized amount of the discount on the note or receivable which is deducted from the face amount of the receivable or loan. The discount or premium is the difference between the present value and the face amount. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The receivable or note face amount less the unamortized discount or premium. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References No definition available.
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