Property and Equipment (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Property, Plant and Equipment
Property and equipment, gross	$ 48,739,000,000		$ 45,986,000,000
Less: Accumulated depreciation	(11,612,000,000)		(10,663,000,000)
Property and equipment, net	37,127,000,000		35,323,000,000
Depreciation	1,490,000,000	$ 1,200,000,000
Interest costs capitalized	0	$ 0
Land
Property, Plant and Equipment
Property and equipment, gross	1,138,000,000		1,097,000,000
Buildings
Property, Plant and Equipment
Property and equipment, gross	11,908,000,000		11,226,000,000
Leasehold improvements
Property, Plant and Equipment
Property and equipment, gross	3,382,000,000		3,112,000,000
Network equipment
Property, Plant and Equipment
Property and equipment, gross	17,764,000,000		17,004,000,000
Computer software, office equipment and other
Property, Plant and Equipment
Property and equipment, gross	1,951,000,000		1,813,000,000
Finance lease right-of-use assets
Property, Plant and Equipment
Property and equipment, gross	1,688,000,000		1,635,000,000
Construction in progress
Property, Plant and Equipment
Property and equipment, gross	$ 10,908,000,000		$ 10,099,000,000