Information regarding our intangible assets including assets recognized from our acquisitions was as follows (in millions):

	September 30, 2020									December 31, 2019
	Gross Carrying Amount		Accumulated Amortization			Other		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Other		Net Carrying Amount
Finite-lived intangible assets:
Developed technology	$	302	$	(102	)	$	1	$	201	$	291	$	(72	)	$	1	$	220
Trade names		3		(1	)	—			2		3		(1	)		1		3
Favorable contracts and leases, net		113		(30	)	—			83		113		(24	)		—		89
Other		38		(18	)		1		21		38		(16	)		—		22
Total finite-lived intangible assets		456		(151	)		2		307		445		(113	)		2		334
Indefinite-lived intangible assets:
Gigafactory Nevada water rights		11	—			—			11		5		—			—		5
Total intangible assets	$	467	$	(151	)	$	2	$	318	$	450	$	(113	)	$	2	$	339

Total future amortization expense for finite-lived intangible assets was estimated as follows (in millions):