Business and Summary of Significant Accounting Policies - Schedule of Error Corrections and Prior Period Adjustments (Details) - USD ($) $ in Millions	Jan. 31, 2022	Jan. 31, 2021
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Intangible assets, net	$ 493.8	$ 199.3
Marketable securities	235.7	4.0
Prepaid and other current assets	283.6	206.2
Long-term other assets	492.3	375.9
Total current assets	$ 2,763.8	2,625.5
Intangible Assets Reclassification
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Intangible assets, net		199.3
Long-term other assets		375.9
Total assets		7,279.8
Intangible Assets Reclassification | Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Intangible assets, net		88.6
Long-term other assets		486.6
Total assets		7,279.8
Intangible Assets Reclassification | Effect of Change in Presentation
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Intangible assets, net		110.7
Long-term other assets		(110.7)
Total assets		0.0
Investment Reclassification
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Marketable securities		4.0
Prepaid and other current assets		206.2
Long-term other assets		486.6
Total current assets		2,625.5
Total assets		7,279.8
Investment Reclassification | Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Marketable securities		85.0
Prepaid and other current assets		198.9
Long-term other assets		412.9
Total current assets		2,699.2
Total assets		7,279.8
Investment Reclassification | Effect of Change in Presentation
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Marketable securities		(81.0)
Prepaid and other current assets		7.3
Long-term other assets		73.7
Total current assets		(73.7)
Total assets		$ 0.0