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Property and Equipment (Tables) | 12 Months Ended
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Dec. 31, 2019
Property, Plant and Equipment [Line Items] |
Property and Equipment |
December 31 (in millions) | Weighted-Average Original Useful Life as of December 31, 2019 |  | 2019 |  |  | 2018 |
Distribution systems | 11 years |  | $ | 40,639 |  |  | $ | 38,380 |
Customer premise equipment | 6 years |  | 26,065 |  |  | 26,208 |
Other equipment | 9 years |  | 13,025 |  |  | 12,437 |
Buildings and leasehold improvements | 30 years |  | 15,104 |  |  | 14,188 |
Construction in process | N/A |  | 5,245 |  |  | 2,991 |
Land | N/A |  | 1,483 |  |  | 1,539 |
Property and equipment, at cost |  |  | 101,561 |  |  | 95,743 |
Less: Accumulated depreciation |  |  | 53,239 |  |  | 51,306 |
Property and equipment, net |  |  | $ | 48,322 |  |  | $ | 44,437 |
NBCUniversal Media LLC [Member] |
Property, Plant and Equipment [Line Items] |
Property and Equipment |
December 31 (in millions) | Weighted-Average Original Useful Life as of December 31, 2019 | 2019 |  | 2018 |
Buildings and leasehold improvements | 31 years | $ | 9,438 |  | $ | 8,877 |
Furniture, fixtures and equipment | 12 years | 6,049 |  | 5,501 |
Construction in process | N/A | 4,884 |  | 2,676 |
Land | N/A | 1,179 |  | 1,129 |
Property and equipment, at cost |  | 21,550 |  | 18,183 |
Less: Accumulated depreciation |  | 5,799 |  | 4,994 |
Property and equipment, net |  | $ | 15,751 |  | $ | 13,189 |

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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