Shareholders' Equity - Rollforward of Activity by Award Type (Details) shares in Thousands	12 Months Ended
	Jan. 31, 2024 $ / shares shares
Restricted stock units
Shares
Beginning balance (in shares) | shares	48,660
Granted (in shares) | shares	35,751
Adjustment for performance achievement (in shares) | shares	0
Vested/exercised (in shares) | shares	(31,794)
Forfeited (in shares) | shares	(3,426)
Ending balance (in shares) | shares	49,191
Weighted-Average Grant-Date Fair Value Per Share
Beginning balance (in USD per share) | $ / shares	$ 42.67
Granted (in USD per share) | $ / shares	48.37
Adjustment for performance achievement (in USD per share) | $ / shares	0
Vested/exercised (in USD per share) | $ / shares	42.29
Forfeited (in USD per share) | $ / shares	46.47
Ending balance (in USD per share) | $ / shares	$ 46.79
Restricted stock and performance-based restricted stock units
Shares
Beginning balance (in shares) | shares	21,480
Granted (in shares) | shares	12,999
Adjustment for performance achievement (in shares) | shares	1,713
Vested/exercised (in shares) | shares	(10,383)
Forfeited (in shares) | shares	(2,706)
Ending balance (in shares) | shares	23,103
Weighted-Average Grant-Date Fair Value Per Share
Beginning balance (in USD per share) | $ / shares	$ 46.29
Granted (in USD per share) | $ / shares	49.07
Adjustment for performance achievement (in USD per share) | $ / shares	47.27
Vested/exercised (in USD per share) | $ / shares	45.85
Forfeited (in USD per share) | $ / shares	46.51
Ending balance (in USD per share) | $ / shares	$ 48.09