v3.20.4

Property, Plant And Equipment (Details) - USD ($) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, at cost | $ 327,751 | $ 333,538 |
Accumulated depreciation and amortization | 200,436 | 203,410 |
Property, plant and equipment - net | 127,315 | 130,128 | $ 131,473
Land |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, at cost | 2,571 | 2,651 |
Buildings and improvements |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, at cost | $ 39,418 | 38,924 |
Buildings and improvements | Minimum |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, useful life | 2 years |  |
Buildings and improvements | Maximum |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, useful life | 44 years |  |
Central office equipment |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, at cost | $ 95,981 | 96,061 |
Central office equipment | Minimum |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, useful life | 3 years |  |
Central office equipment | Maximum |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, useful life | 10 years |  |
Cable, wiring and conduit |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, at cost | $ 75,409 | 72,042 |
Cable, wiring and conduit | Minimum |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, useful life | 15 years |  |
Cable, wiring and conduit | Maximum |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, useful life | 50 years |  |
Satellites |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, at cost | $ 908 | 2,489 |
Satellites | Minimum |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, useful life | 14 years |  |
Satellites | Maximum |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, useful life | 17 years |  |
Other equipment |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, at cost | $ 90,883 | 94,951 |
Other equipment | Minimum |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, useful life | 3 years |  |
Other equipment | Maximum |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, useful life | 20 years |  |
Software |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, at cost | $ 18,482 | 22,244 |
Software | Minimum |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, useful life | 3 years |  |
Software | Maximum |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, useful life | 7 years |  |
Under construction |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, at cost | $ 4,099 | $ 4,176 |

X
- Definition Property, Plant, And Equipment And Finance Lease Right-Of-Use Asset, Accumulated Depreciation And Amortization + References No definition available. + Details
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- Definition Property, Plant, And Equipment And Finance Lease Right-Of-Use Asset, After Accumulated Depreciation And Amortization + References No definition available. + Details
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- Definition Property, Plant, And Equipment And Finance Lease Right-Of-Use Asset, Before Accumulated Depreciation And Amortization + References No definition available. + Details
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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. + References No definition available. + Details
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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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- Details
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- Details
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- Details
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