Intangible Assets Acquired Through Business Combinations and Goodwill (Tables)

9 Months Ended

Oct. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets Acquired From Business Combinations

Intangible assets acquired through business combinations were as follows (in millions):

	Intangible Assets, Gross						Accumulated Amortization						Intangible Assets, Net				Weighted Average Remaining Useful Life (Years)
	January 31, 2021		Additions and retirements, net		October 31, 2021		January 31, 2021		Expense and retirements, net		October 31, 2021		January 31, 2021		October 31, 2021		October 31, 2021
Acquired developed technology	$	3,305	$	2,374	$	5,679	$	(1,427)	$	(624)	$	(2,051)	$	1,878	$	3,628	3.9
Customer relationships	3,510		3,799		7,309		(1,279)		(474)		(1,753)		2,231		5,556		6.9
Other (1)	45		300		345		(40)		(17)		(57)		5		288		5.7
Total	$	6,860	$	6,473	$	13,333	$	(2,746)	$	(1,115)	$	(3,861)	$	4,114	$	9,472	5.7

(1) Included in other are in-place leases, trade names, trademarks and territory rights.

Expected Future Amortization Expense for Purchased Intangible Assets

The expected future amortization expense for intangible assets as of October 31, 2021 was as follows (in millions):

Fiscal Period:
Remaining three months of fiscal 2022	$	510
Fiscal 2023	1,926
Fiscal 2024	1,839
Fiscal 2025	1,568
Fiscal 2026	1,340
Thereafter	2,289
Total amortization expense	$	9,472

Schedule of Goodwill

The changes in the carrying amounts of goodwill, which is generally not deductible for tax purposes, were as follows (in millions):

Balance as of January 31, 2021	$	26,318
Slack	21,220
Acumen	337
Other acquisitions and adjustments (1)	76
Balance as of October 31, 2021	$	47,951

(1) Adjustments include measurement period adjustments for business combinations from the prior year and the effect of foreign currency translation.