Segments - Pre-Tax Income Reconciliation (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Pre-tax income from continuing operations
Amortization of acquired intangible assets	$ (570)	$ (495)
Acquisition-related charges	(76)	(63)
Non-operating retirement-related (costs)/income	(96)	(23)
Share-based compensation	(503)	(401)
Net interest excluding the Financing segment	(338)	(265)
Workforce rebalancing charges	(336)	(316)
Other‒divested businesses	(2)	(7)
Total pre-tax income from continuing operations	1,387	1,158
Operating Segments
Pre-tax income from continuing operations
Total pre-tax income from continuing operations	3,300	2,721
Unallocated corporate amounts and other
Pre-tax income from continuing operations
Total pre-tax income from continuing operations	$ 9	$ 5