Other (Income) and Expense (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Other Income and Expenses [Abstract]
(Gains)/losses on foreign currency transactions	$ 443	$ (205)
(Gains)/losses on derivative instruments	(442)	287
Interest income	(191)	(210)
Net (gains)/losses from securities and investment assets	29	(10)
Retirement-related costs/(income)	23	96
Other	(26)	(274)
Total other (income) and expense	$ (165)	(317)
Discontinued Operations, Disposed of by Sale | The Weather Company
Divestitures
Pre-tax gain on sale of business		$ 241