Revenue from Contracts with Customers - Contract Costs (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Apr. 02, 2020 |
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| Disaggregation of Revenue [Line Items] | |||
| Deferred incremental costs to obtain contracts | $ 1,100,000,000 | $ 906,000,000 | |
| Average amortization period, deferred contract costs (in months) | 24 months | ||
| Amortization of deferred costs | $ 865,000,000 | 604,000,000 | |
| Contract Liabilities | 824,000,000 | 560,000,000 | |
| Impairment losses recognized on deferred contract cost assets | $ 0 | $ 0 | |
| Sprint | |||
| Disaggregation of Revenue [Line Items] | |||
| Contract Liabilities | $ 1,700,000,000 | ||
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- Definition Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amortization period of cost capitalized in obtaining or fulfilling contract with customer, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of impairment loss for asset recognized from cost incurred to obtain or fulfill contract with customer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- 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. No definition available.
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- Details
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