Long-term debt and interest expense, net - Interest expense on long term debts and other obligations (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Interest expenses
Interest on long-term debt	$ 34	$ 33	$ 67	$ 77
Loss on debt extinguishment	53		53	41
Interest on orbital securitization liability	1	1	2	2
Imputed interest and other				1
Capitalized interest	(12)	(10)	(23)	(19)
Interest expense, net	$ 76	$ 24	$ 99	$ 102