CONSOLIDATED STATEMENT OF EQUITY - USD ($) $ in Millions	Total	Total IBM Stockholders' Equity	Common Stock and Additional Paid-in Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Income/(Loss)	Non- Controlling Interests
Balance at the beginning of the period at Dec. 31, 2024	$ 27,393	$ 27,307	$ 61,380	$ 151,163	$ (169,968)	$ (15,269)	$ 86
Net income plus other comprehensive income/(loss):
Net income	1,055	1,055		1,055
Other comprehensive income/(loss)	(306)	(306)				(306)
Total comprehensive income	749	749
Cash dividends paid — common stock	(1,549)	(1,549)		(1,549)
Common stock issued under employee plans	533	533	533
Purchases and sales of treasury stock under employee plans — net	(159)	(159)		34	(193)
Changes in noncontrolling interests	(14)						(14)
Balance at the end of the period at Mar. 31, 2025	26,953	26,880	61,913	150,703	(170,160)	(15,575)	72
Balance at the beginning of the period at Dec. 31, 2025	32,740	32,648	63,318	155,648	(170,605)	(15,713)	93
Net income plus other comprehensive income/(loss):
Net income	1,216	1,216		1,216
Other comprehensive income/(loss)	299	299				299
Total comprehensive income	1,514	1,514
Cash dividends paid — common stock	(1,576)	(1,576)		(1,576)
Common stock issued under employee plans	618	618	618
Purchases and sales of treasury stock under employee plans — net	(230)	(230)		39	(269)
Changes in noncontrolling interests	(11)						(11)
Balance at the end of the period at Mar. 31, 2026	$ 33,056	$ 32,974	$ 63,936	$ 155,327	$ (170,874)	$ (15,415)	$ 81