Investments and Acquisitions (Details 1) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jul. 31, 2024	Jul. 31, 2023	Jul. 31, 2024	Jul. 31, 2023
Basic earnings per share	$ (0.19)	$ 0.33	$ 0.04	$ 0.52
Diluted earnings per share	$ (0.19)	$ 0.32	$ 0.04	$ 0.50
Pro forma combined financial information [Member]
Net sales	$ 43,023	$ 45,370	$ 86,090	$ 85,964
Net income	$ (1,253)	$ 2,899	$ 622	$ 4,668
Basic earnings per share	$ (0.17)	$ 0.39	$ 0.08	$ 0.63
Diluted earnings per share	$ (0.17)	$ 0.38	$ 0.08	$ 0.62