The following table presents the changes in the carrying value of goodwill by reportable segment for the three months ended March 31, 2022 (in millions):


	Mobility		Delivery		Freight		Total Goodwill
Balance as of December 31, 2021	$	2,581	$	4,401	$	1,438	$	8,420
Acquisitions	64		—		—		64
Measurement period adjustment	—		—		5		5

Foreign currency translation adjustment	(56)		2		—		(54)
Balance as of March 31, 2022	$	2,589	$	4,403	$	1,443	$	8,435

The components of intangible assets, net as of December 31, 2021 and March 31, 2022 were as follows (in millions, except years):


	Gross Carrying Value		Accumulated Amortization		Net Carrying Value		Weighted Average Remaining Useful Life - Years
December 31, 2021
Consumer, Merchant and other relationships	$	1,868	$	(294)	$	1,574	9
Developed technology	922		(269)		653		5
Trade names and trademarks	222		(47)		175		6
Patents	15		(7)		8		7
Other	5		(3)		2		0
Intangible assets	$	3,032	$	(620)	$	2,412


	Gross Carrying Value		Accumulated Amortization		Net Carrying Value		Weighted Average Remaining Useful Life - Years
March 31, 2022
Consumer, Merchant and other relationships	$	1,856	$	(362)	$	1,494	9
Developed technology	924		(325)		599		5
Trade names and trademarks	222		(55)		167		6
Patents	15		(8)		7		6
Other	5		(3)		2		0
Intangible assets	$	3,022	$	(753)	$	2,269

Amortization expense for intangible assets subject to amortization was $92 million and $144 million for the three months ended March 31, 2021 and 2022, respectively.

The estimated aggregate future amortization expense for intangible assets subject to amortization as of March 31, 2022 is summarized below (in millions):


	Estimated Future Amortization Expense
Year Ending December 31,
Remainder of 2022	$	381
2023	363
2024	306
2025	266
2026	203
Thereafter	748
Total	$	2,267