Segments - Pre-Tax Income Reconciliation (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Segment Information
Amortization of acquired intangible assets	$ (672)	$ (561)	$ (1,905)	$ (1,605)
Acquisition-related charges	(36)	(29)	(163)	(118)
Non-operating retirement-related (costs)/income	(91)	(13)	(283)	(61)
Share-based compensation	(524)	(430)	(1,511)	(1,255)
Net interest excluding the Financing segment	(414)	(345)	(1,165)	(953)
Workforce rebalancing charges	4	(40)	(362)	(372)
Other‒divested businesses	2	(1)	(3)	(28)
Total pre-tax income from continuing operations	2,497	2,430	6,363	6,185
Operating Segments
Segment Information
Total pre-tax income from continuing operations	4,209	3,827	11,601	10,552
Unallocated corporate amounts and other
Segment Information
Total pre-tax income from continuing operations	$ 19	$ 21	$ 155	$ 24