The following table presents the changes in the carrying value of goodwill by reportable segment for the six months ended June 30, 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	—		—		3		3

Reclass to Assets held for sale	(16)		—		—		(16)
Foreign currency translation adjustment	(111)		(1)		—		(112)
Balance as of June 30, 2022	$	2,518	$	4,400	$	1,441	$	8,359

The components of intangible assets, net as of December 31, 2021 and June 30, 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
June 30, 2022
Consumer, Merchant and other relationships	$	1,840	$	(419)	$	1,421	9
Developed technology	919		(389)		530		5
Trade names and trademarks	221		(64)		157		6
Patents	15		(8)		7		6
Other	10		(3)		7		0
Intangible assets	$	3,005	$	(883)	$	2,122

Amortization expense for intangible assets subject to amortization was $104 million and $139 million for the three months ended June 30, 2021 and 2022, respectively. Amortization expense for intangible assets subject to amortization was $196 million and $283 million for the six months ended June 30, 2021 and 2022, respectively.

The estimated aggregate future amortization expense for intangible assets subject to amortization as of June 30, 2022 is summarized below (in millions):


	Estimated Future Amortization Expense
Year Ending December 31,
Remainder of 2022	$	240
2023	359
2024	303
2025	264
2026	202
Thereafter	747
Total	$	2,115