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, 2023	$ 22,613	$ 22,533	$ 59,643	$ 151,276	$ (169,624)	$ (18,761)	$ 80
Net income plus other comprehensive income/(loss):
Net income	1,605	1,605		1,605
Other comprehensive income/(loss)	273	273				273
Total comprehensive income	1,878	1,878
Cash dividends paid - common stock	(1,522)	(1,522)		(1,522)
Common stock issued under employee plans	502	502	502
Purchases and sales of treasury stock under employee plans - net	(130)	(130)		4	(134)
Changes in noncontrolling interests	(8)						(8)
Balance at the end of the period at Mar. 31, 2024	23,333	23,261	60,145	151,362	(169,759)	(18,488)	72
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