Supplemental Income Statement Information (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Other Income and Expenses [Abstract]
Interest expense	$ 237	$ 322	$ 492	$ 663
Interest income	(50)	(143)	(129)	(253)
Pension and postretirement net periodic benefit cost (benefit)	23	796	51	785
Solventum ownership - change in value	7	(1,113)	(336)	(1,113)
Other expense (income), net	217	(138)	78	82
Interest expense related to outstanding debt	$ 116	$ 120	226	$ 257
Unrealized gain on investments			$ 1,900

Amount of net periodic benefit cost (credit) for defined benefit plan.

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