Business Combinations, Definite-Lived Intangible Assets, Net and Goodwill (Tables)

6 Months Ended

Jul. 31, 2020

Business Combinations, Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets

As of the periods presented, definite-lived intangible assets consisted of the following (amounts in tables in millions):

	July 31, 2020
	Weighted-Average Useful Lives (in years)	Gross Carrying Amount		Accumulated Amortization			Net Book Value
Purchased technology	5.5	$	970	$	(432	)	$	538
Customer relationships and customer lists	11.4	730		(234		)	496
Trademarks and tradenames	7.6	132		(68		)	64
Other	2.0	21		(10		)	11
Total definite-lived intangible assets		$	1,853	$	(744	)	$	1,109

	January 31, 2020
	Weighted-Average Useful Lives (in years)	Gross Carrying Amount		Accumulated Amortization			Net Book Value
Purchased technology	5.7	$	1,030	$	(488	)	$	542
Customer relationships and customer lists	11.4	739		(200		)	539
Trademarks and tradenames	7.6	131		(58		)	73
Other	2.0	22		(4		)	18
Total definite-lived intangible assets		$	1,922	$	(750	)	$	1,172

Schedule of Future Amortization Expense

Based on intangible assets recorded as of July 31, 2020 and assuming no subsequent additions, dispositions or impairment of underlying assets, the remaining estimated annual amortization expense over the next five fiscal years and thereafter is expected to be as follows (table in millions):

Remainder of 2021	$	163
2022	284
2023	234
2024	187
2025	101
Thereafter	140
Total	$	1,109

Schedule of Goodwill

The following table summarizes the changes in the carrying amount of goodwill during the six months ended July 31, 2020 (table in millions):

Balance, January 31, 2020	$	9,329
Increase in goodwill related to business combinations	218
Balance, July 31, 2020	$	9,547