Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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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.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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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.

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Property, Plant and Equipment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment
Property, plant and equipment, gross	$ 72,203	$ 68,563
Less: accumulated depreciation	(36,164)	(34,253)
Property, plant and equipment, net	36,039	34,310
Depreciation expense	7,600	7,700	$ 7,800
Cable distribution systems
Property, Plant and Equipment
Property, plant and equipment, gross	38,606	35,907
Customer premise equipment and installations
Property, Plant and Equipment
Property, plant and equipment, gross	18,196	17,893
Vehicles and equipment
Property, Plant and Equipment
Property, plant and equipment, gross	2,068	2,019
Buildings and improvements
Property, Plant and Equipment
Property, plant and equipment, gross	5,833	5,729
Furniture, fixtures and equipment
Property, Plant and Equipment
Property, plant and equipment, gross	$ 7,500	$ 7,015
Minimum \| Cable distribution systems
Property, Plant and Equipment
Property, plant and equipment, useful life (in years)	6 years
Minimum \| Customer premise equipment and installations
Property, Plant and Equipment
Property, plant and equipment, useful life (in years)	3 years
Minimum \| Vehicles and equipment
Property, Plant and Equipment
Property, plant and equipment, useful life (in years)	6 years
Minimum \| Buildings and improvements
Property, Plant and Equipment
Property, plant and equipment, useful life (in years)	8 years
Minimum \| Furniture, fixtures and equipment
Property, Plant and Equipment
Property, plant and equipment, useful life (in years)	2 years
Maximum \| Cable distribution systems
Property, Plant and Equipment
Property, plant and equipment, useful life (in years)	22 years
Maximum \| Customer premise equipment and installations
Property, Plant and Equipment
Property, plant and equipment, useful life (in years)	8 years
Maximum \| Vehicles and equipment
Property, Plant and Equipment
Property, plant and equipment, useful life (in years)	21 years
Maximum \| Buildings and improvements
Property, Plant and Equipment
Property, plant and equipment, useful life (in years)	40 years
Maximum \| Furniture, fixtures and equipment
Property, Plant and Equipment
Property, plant and equipment, useful life (in years)	10 years