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Revenues and Contract Costs - Schedule of Receivables from Contracts with Customers (Details) - USD ($) $ in Millions | Mar. 31, 2023 | Jan. 01, 2023 | Mar. 31, 2022 | Jan. 01, 2022
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Revenue from Contract with Customer [Abstract] |  |  |  |
Receivables | $ 9,969 | $ 11,274 | $ 10,419 | $ 10,758
Device payment plan agreement receivables | $ 16,955 | $ 16,648 | $ 13,478 | $ 12,888

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- References No definition available. + Details
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- Definition Accounts Receivable From Contract With Customer + References No definition available. + Details
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- Definition Financing Receivable From Contract With Customer + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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