Shareholders' Equity (Tables)

12 Months Ended

Jan. 31, 2021

Equity [Abstract]

Schedule of share-based compensation expense by award type

The following table summarizes the Company's share-based compensation expense by award type for all plans:

	Fiscal Years Ended January 31,
(Amounts in millions)	2021		2020		2019
Restricted stock units	$	742	$	553	$	456
Restricted stock and performance-based restricted stock units	277		270		293
Other	150		31		24
Share-based compensation expense	$	1,169	$	854	$	773

Schedule of restricted stock and performance share awards and restricted stock rights activity

The following table shows the activity for restricted stock units and restricted stock and performance-based restricted stock units during fiscal 2021:

	Restricted Stock Units			Restricted Stock and Performance-based Restricted Stock Units
(Shares in thousands)	Shares	Weighted-Average Grant-Date Fair Value Per Share		Shares	Weighted-Average Grant-Date Fair Value Per Share
Outstanding as of February 1, 2020	23,261	$	79.51	6,045	$	93.04
Granted	7,472	114.51		2,867	120.47
Adjustment for performance achievement(1)	—	—		576	86.46
Vested/exercised	(7,798)	76.11		(3,075)	88.88
Forfeited	(3,035)	92.20		(1,000)	96.36
Outstanding as of January 31, 2021	19,900	$	92.13	5,413	$	108.72

(1)    Represents the adjustment to previously granted performance share units for performance achievement.

Schedule of restricted stock and performance based restricted stock

The following table includes additional information related to restricted stock units and restricted stock and performance-based restricted stock units: 

	Fiscal Years Ended January 31,
(Amounts in millions, except years)	2021		2020		2019
Fair value of restricted stock units vested	$	597	$	442	$	386
Fair value of restricted stock and performance-based restricted stock units vested	275		365		183
Unrecognized compensation cost for restricted stock units	1,062		1,096		1,002
Unrecognized compensation cost for restricted stock and performance-based restricted stock units	344		326		362
Weighted average remaining period to expense for restricted stock units (years)	1.1		1.3		1.6
Weighted average remaining period to expense for restricted stock and performance-based restricted stock units (years)	1.4		1.4		1.1

Schedule of company's share repurchases

The following table provides, on a settlement date basis, the number of shares repurchased, average price paid per share and total amount paid for share repurchases for fiscal 2021, 2020 and 2019:

	Fiscal Years Ended January 31,
(Amounts in millions, except per share data)	2021		2020		2019
Total number of shares repurchased	19.4		53.9		79.5
Average price paid per share	$	135.20	$	105.98	$	93.18
Total cash paid for share repurchases	$	2,625	$	5,717	$	7,410