CONSOLIDATED STATEMENT OF CHANGES IN 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
Equity - at Dec. 31, 2014	$ 12,014	$ 11,868	$ 52,666	$ 137,793	$ (150,715)	$ (27,875)	$ 146
Net income plus other comprehensive income/(loss)
Net income	2,328	2,328		2,328
Other comprehensive income/(loss)	33	33				33
Total comprehensive income/(loss)	2,361	2,361
Cash dividends paid - common stock	(1,088)	(1,088)		(1,088)
Common stock issued under employee plans (Shares - 1,049,083 and 2,125,560 for the three months ended March 31, 2016 and 2015, respectively)	259	259	259
Purchases (Shares - 216,803 and 363,779) and sales (Shares - 40,129 and 187,271) of treasury stock under employee plans - net, for the three months ended March 31, 2016 and 2015, respectively	(35)	(35)		(3)	(33)
Other treasury shares purchased, not retired (Shares - 6,639,282 and 7,738,744 for the three months ended March 31, 2016 and 2015, respectively)	(1,227)	(1,227)			(1,227)
Changes in other equity	3	3	3
Changes in noncontrolling interests	3						3
Equity - at Mar. 31, 2015	12,289	12,141	52,928	139,030	(151,975)	(27,842)	148
Equity - at Dec. 31, 2015	14,424	14,262	53,262	146,124	(155,518)	(29,607)	162
Net income plus other comprehensive income/(loss)
Net income	2,014	2,014		2,014
Other comprehensive income/(loss)	608	608				608
Total comprehensive income/(loss)	2,622	2,622
Cash dividends paid - common stock	(1,250)	(1,250)		(1,250)
Common stock issued under employee plans (Shares - 1,049,083 and 2,125,560 for the three months ended March 31, 2016 and 2015, respectively)	185	185	185
Purchases (Shares - 216,803 and 363,779) and sales (Shares - 40,129 and 187,271) of treasury stock under employee plans - net, for the three months ended March 31, 2016 and 2015, respectively	(22)	(22)		0	(22)
Other treasury shares purchased, not retired (Shares - 6,639,282 and 7,738,744 for the three months ended March 31, 2016 and 2015, respectively)	(863)	(863)			(863)
Changes in other equity	(9)	(9)	(9)
Changes in noncontrolling interests	(14)						(14)
Equity - at Mar. 31, 2016	$ 15,072	$ 14,925	$ 53,439	$ 146,888	$ (156,404)	$ (28,998)	$ 147