Investments (Tables)

9 Months Ended

Oct. 31, 2021

Investments, Debt and Equity Securities [Abstract]

Schedule of Marketable Securities

At October 31, 2021, marketable securities consisted of the following (in millions):

	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
Corporate notes and obligations	$	2,881	$	5	$	(15)	$	2,871
U.S. treasury securities	212		0		(1)		211
Mortgage-backed obligations	258		1		(2)		257
Asset-backed securities	931		1		(2)		930
Municipal securities	138		1		0		139
Commercial paper	40		0		0		40
Covered bonds	181		0		(2)		179
Other	11		0		0		11
Total marketable securities	$	4,652	$	8	$	(22)	$	4,638

At January 31, 2021, marketable securities consisted of the following (in millions):

	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
Corporate notes and obligations	$	3,321	$	20	$	0	$	3,341
U.S. treasury securities	205		1		0		206
Mortgage-backed obligations	382		5		0		387
Asset-backed securities	1,096		6		(1)		1,101
Municipal securities	242		2		0		244
Covered bonds	328		0		0		328
Other	164		0		0		164
Total marketable securities	$	5,738	$	34	$	(1)	$	5,771

Schedule of Short-Term and Long-Term Marketable Securities

The contractual maturities of the investments classified as marketable securities were as follows (in millions):

	As of
	October 31, 2021		January 31, 2021
Due within 1 year	$	1,742	$	2,525
Due in 1 year through 5 years	2,884		3,236
Due in 5 years through 10 years	12		10
	$	4,638	$	5,771

Schedules of Strategic Investments

Strategic investments by form and measurement category as of October 31, 2021 were as follows (in millions):

	Measurement Category
	Fair Value		Measurement Alternative		Other		Total
Equity securities	$	603	$	3,195	$	123	$	3,921
Debt securities and other investments	0		0		83		83
Balance as of October 31, 2021	$	603	$	3,195	$	206	$	4,004

Strategic investments by form and measurement category as of January 31, 2021 were as follows (in millions):

	Measurement Category
	Fair Value		Measurement Alternative		Other		Total
Equity securities	$	2,068	$	1,670	$	120	$	3,858
Debt securities and other investments	0		0		51		51
Balance as of January 31, 2021	$	2,068	$	1,670	$	171	$	3,909

The components of gains and losses on strategic investments were as follows (in millions):

3	Three Months Ended October 31,				Nine Months Ended October 31,
	2021		2020		2021		2020
Unrealized gains (losses) recognized on publicly traded equity securities, net	$	98	$	997	$	(13)	$	1,620
Unrealized gains recognized on privately held equity securities, net	162		29		964		83
Realized gains on sales of securities, net	114		18		271		306
Impairments on privately held equity and debt securities	(11)		(8)		(45)		(99)
Gains on strategic investments, net	$	363	$	1,036	$	1,177	$	1,910