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Property, Plant and Equipment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment
Depreciation expense	$ 7,800	$ 7,600	$ 7,600
Property, plant and equipment, gross	82,322	77,271
Less: accumulated depreciation	(39,409)	(37,751)
Property, plant and equipment, net	42,913	39,520
Cable distribution systems
Property, Plant and Equipment
Property, plant and equipment, gross	49,211	44,561
Customer premise equipment and installations
Property, Plant and Equipment
Property, plant and equipment, gross	17,270	17,043
Vehicles and equipment
Property, Plant and Equipment
Property, plant and equipment, gross	2,251	2,172
Buildings and improvements
Property, Plant and Equipment
Property, plant and equipment, gross	5,966	5,910
Furniture, fixtures and equipment
Property, Plant and Equipment
Property, plant and equipment, gross	$ 7,624	$ 7,585
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

X

- Definition

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

+ References

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- Definition

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.

+ References

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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.

+ References

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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.

+ References

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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.

+ References

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