The following tables present the goodwill allocated to our reportable segments as of July 31, 2021 and July 25, 2020, as well as the changes to goodwill during fiscal 2021 and 2020 (in millions):


	Balance at July 25, 2020		Acquisitions & Divestitures		Foreign Currency Translation and Other		Balance at July 31, 2021
Americas	$	21,304	$	2,275	$	94	$	23,673
EMEA	8,040		1,019		35		9,094
APJC	4,462		920		19		5,401
Total	$	33,806	$	4,214	$	148	$	38,168


	Balance at July 27, 2019		Acquisitions		Foreign Currency Translation and Other		Balance at July 25, 2020
Americas	$	21,120	$	132	$	52	$	21,304
EMEA	7,977		44		19		8,040
APJC	4,432		22		8		4,462
Total	$	33,529	$	198	$	79	$	33,806

The following tables present details of our intangible assets acquired through acquisitions completed during fiscal 2021 and 2020 (in millions, except years):


	FINITE LIVES									INDEFINITE LIVES		TOTAL
	TECHNOLOGY			CUSTOMER RELATIONSHIPS			OTHER			IPR&D
Fiscal 2021	Weighted- Average Useful Life (in Years)	Amount		Weighted- Average Useful Life (in Years)	Amount		Weighted- Average Useful Life (in Years)	Amount		Amount		Amount
Acacia	4.0	$	1,290	4.0	$	490	3.1	$	35	$	345	$	2,160
Others	4.3	545		4.6	174		2.9	35		—		754
Total		$	1,835		$	664		$	70	$	345	$	2,914


	FINITE LIVES									INDEFINITE LIVES		TOTAL
	TECHNOLOGY			CUSTOMER RELATIONSHIPS			OTHER			IPR&D
Fiscal 2020	Weighted- Average Useful Life (in Years)	Amount		Weighted- Average Useful Life (in Years)	Amount		Weighted- Average Useful Life (in Years)	Amount		Amount		Amount
Total acquisitions (six in total)	4.8	$	161	4.2	$	10	1.5	$	1	$	—	$	172

The following tables present details of our purchased intangible assets (in millions):


July 31, 2021	Gross		Accumulated Amortization		Net
Purchased intangible assets with finite lives:
Technology	$	3,629	$	(1,437)	$	2,192
Customer relationships	1,387		(523)		864
Other	71		(13)		58
Total purchased intangible assets with finite lives	5,087		(1,973)		3,114
In-process research and development, with indefinite lives	505		—		505
Total	$	5,592	$	(1,973)	$	3,619


July 25, 2020	Gross		Accumulated Amortization		Net
Purchased intangible assets with finite lives:
Technology	$	3,298	$	(2,336)	$	962
Customer relationships	760		(365)		395
Other	26		(20)		6
Total purchased intangible assets with finite lives	4,084		(2,721)		1,363
In-process research and development, with indefinite lives	213		—		213
Total	$	4,297	$	(2,721)	$	1,576

Purchased intangible assets include intangible assets acquired through acquisitions as well as through direct purchases or licenses.

The following table presents the amortization of purchased intangible assets, including impairment charges (in millions):


Years Ended	July 31, 2021		July 25, 2020		July 27, 2019
Amortization of purchased intangible assets:
Cost of sales	$	716	$	659	$	624
Operating expenses	215		141		150
Total	$	931	$	800	$	774

The estimated future amortization expense of purchased intangible assets with finite lives as of July 31, 2021 is as follows (in millions):


Fiscal Year	Amount
2022	$	1,037
2023	$	873
2024	$	749
2025	$	396
2026	$	55
Thereafter	$	4