Property, plant and equipment, net (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Property, plant and equipment
Property, plant and equipment, at cost	$ 1,377		$ 1,350
Accumulated depreciation	(488)		(467)
Property, plant and equipment, net	889		883
Depreciation	23	$ 24
Satellites
Property, plant and equipment
Property, plant and equipment, at cost	397		397
Equipment
Property, plant and equipment
Property, plant and equipment, at cost	213		207
Leasehold improvements
Property, plant and equipment
Property, plant and equipment, at cost	82		81
Computer hardware
Property, plant and equipment
Property, plant and equipment, at cost	91		78
Furniture and fixtures
Property, plant and equipment
Property, plant and equipment, at cost	15		15
Construction in process
Property, plant and equipment
Property, plant and equipment, at cost	$ 579		$ 572