Other (Income) and Expense (Details) - USD ($) $ in Millions		3 Months Ended
	Jan. 31, 2024	Mar. 31, 2024	Mar. 31, 2023
Other Income and Expenses [Abstract]
Foreign currency transaction losses/(gains)		$ (205)	$ 88
(Gains)/losses on derivative instruments		287	(142)
Interest income		(210)	(170)
Net (gains)/losses from securities and investment assets		(10)	5
Retirement-related costs/(income)		96	(5)
Other		(274)	(22)
Total other (income) and expense		$ (317)	$ (245)
Discontinued Operations, Disposed of by Sale | The Weather Company
Divestitures
Pre-tax gain on sale of business	$ 241