Segment information - Capital expenditures (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Segment information
Capital expenditures, property, plant and equipment	$ 26	$ 44
Capital expenditures, intangible assets	24	16
Capital expenditures	50	60
Intersegment eliminations
Segment information
Capital expenditures, property, plant and equipment	9	7
Capital expenditures, intangible assets	4
Capital expenditures	13	7
Earth Intelligence | Operating Segments
Segment information
Capital expenditures, property, plant and equipment	13	34
Capital expenditures, intangible assets	20	16
Capital expenditures	33	50
Space Infrastructure | Operating Segments
Segment information
Capital expenditures, property, plant and equipment	4	3
Capital expenditures	$ 4	$ 3