Property, plant and equipment, net (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Property, plant and equipment
Property, plant and equipment, at cost	$ 1,431		$ 1,431		$ 1,350
Accumulated depreciation	(529)		(529)		(467)
Property, plant and equipment, net	902		902		883
Depreciation	23	$ 24	67	$ 71
Satellites
Property, plant and equipment
Property, plant and equipment, at cost	397		397		397
Equipment
Property, plant and equipment
Property, plant and equipment, at cost	218		218		207
Computer hardware
Property, plant and equipment
Property, plant and equipment, at cost	96		96		78
Leasehold improvements
Property, plant and equipment
Property, plant and equipment, at cost	83		83		81
Furniture and fixtures
Property, plant and equipment
Property, plant and equipment, at cost	15		15		15
Construction in process
Property, plant and equipment
Property, plant and equipment, at cost	$ 622		$ 622		$ 572