Revenue from Contracts with Customers - Contract Balances (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Apr. 01, 2020 |
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| Disaggregation of Revenue [Line Items] | |||
| Contract Assets | $ 278 | $ 63 | |
| Contract Liabilities | 824 | 560 | |
| Change in contract assets included in other current assets | 215 | ||
| Change in contracts liabilities included in deferred revenue | 264 | ||
| Current portion of contract assets | 204 | 50 | |
| Amounts included in the beginning of year contract liability balance | $ 545 | $ 643 | |
| Sprint | |||
| Disaggregation of Revenue [Line Items] | |||
| Contract Assets | $ 154 | ||
| Contract Liabilities | $ 336 | ||
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- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current. 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 Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. 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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- Definition Amount of increase (decrease) in right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Details
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