Other (Income) and Expense (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Other Income and Expenses [Abstract]
Foreign currency transaction losses/(gains)	$ (140)	$ (166)	$ (345)	$ (78)
(Gains)/losses on derivative instruments	140	141	427	(1)
Interest income	(217)	(201)	(427)	(371)
Net (gains)/losses from securities and investment assets	0	3	(10)	8
Retirement-related costs/(income)	98	1	194	(4)
Other	(114)	(39)	(389)	(61)
Total other (income) and expense	$ (233)	$ (261)	(550)	$ (506)
Discontinued Operations, Disposed of by Sale | The Weather Company
Divestitures
Pre-tax gain on sale of business			$ 239