Long-term debt and interest expense, net - Interest expense on long term debts and other obligations (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Interest expenses
Interest on long-term debt	$ 33	$ 44
Interest on orbital securitization liability	1	1
Loss on debt extinguishment		41
Imputed interest and other		1
Capitalized interest	(11)	(9)
Interest expense, net	$ 23	$ 78