Financial instruments and fair value disclosures (Tables)

12 Months Ended

Dec. 31, 2018

Financial instruments and fair value disclosures

Summary of financial instruments measured at fair value in the accompanying consolidated balance sheets

	Recurring Fair Value Measurements of as of December 31, 2018
	Level 1		Level 2		Level 3		Total
Assets
Short-term investments	$	3	$	—	$	—	$	3
Derivative financial instruments
Foreign exchange forward contracts & embedded derivatives		—		5		—		5
	$	3	$	5	$	—	$	8
Liabilities
Derivative financial instruments
Foreign exchange forward contracts & embedded derivatives		—		8		—		8
Interest rate swaps		—		4		—		4
	$	—	$	12	$	—	$	12

	Recurring Fair Value Measurements of as of December 31, 2017
	Level 1		Level 2		Level 3		Total
Assets
Short-term investments	$	1	$	—	$	—	$	1
Derivative financial instruments
Foreign exchange forward contracts & embedded derivatives		—		13		—		13
	$	1	$	13	$	—	$	14
Liabilities
Derivative financial instruments
Foreign exchange forward contracts & embedded derivatives	$	—	$	9	$	—	$	9
	$	—	$	9	$	—	$	9

Summary of financial instruments recorded at carrying value in the accompanying consolidated balance sheets

	As of December 31, 2018
	Carrying value		Fair value		Fair value hierarchy
Long-term debt, excluding capital leases	$	3,034	$	2,925	Level 2
Orbital receivables	$	441	$	441	Level 2

	As of December 31, 2017
	Carrying value		Fair value		Fair value hierarchy
Long-term debt, excluding capital leases	$	2,943	$	3,176	Level 2
Orbital receivables	$	454	$	507	Level 2