Consolidated Statements of Equity - USD ($) shares in Millions, $ in Millions	Common Stock	Treasury Stock	Additional Paid In Capital	Retained Earnings	Accumulated Other Comprehensive Income	Parent Company	Total
Balance at Dec. 31, 2012					$ (350)	$ 3,713	$ 3,363
Beginning balance at Dec. 31, 2012					(350)
Increase (Decrease) in Stockholders' Equity
Separation-related adjustments			$ (1,316)		(662)	707	(1,271)
Reclassification of parent company net investment in connection with separation			4,420			$ (4,420)
Issuance of common stock at separation	$ 16		(16)
Issuance of common stock at separation (in shares)	1,577
Net earnings				$ 4,128			4,128
Other comprehensive income (loss), net of tax					570		570
Dividends declared				(2,561)			(2,561)
Share repurchases		$ (223)					$ (223)
Share repurchases (in shares)	(4)						(4)
Stock-based compensation plans and other		(97)	583				$ 486
Stock-based compensation plans and other (in shares)	14
Ending balance at Dec. 31, 2013	$ 16	(320)	3,671	1,567	(442)		4,492
Balance (in shares) at Dec. 31, 2013	1,587
Increase (Decrease) in Stockholders' Equity
Net earnings				1,774			1,774
Other comprehensive income (loss), net of tax					(1,589)		(1,589)
Dividends declared				(2,806)			(2,806)
Share repurchases		(550)					$ (550)
Share repurchases (in shares)	(9)						(9)
Stock-based compensation plans and other		(102)	523				$ 421
Stock-based compensation plans and other (in shares)	13
Ending balance at Dec. 31, 2014	$ 16	(972)	4,194	535	(2,031)		1,742
Balance (in shares) at Dec. 31, 2014	1,591
Increase (Decrease) in Stockholders' Equity
Net earnings				5,144			5,144
Other comprehensive income (loss), net of tax					(530)		(530)
Dividends declared				(3,431)			(3,431)
Common shares issued to Pharrmacyclics Inc. stockholders	$ 1		8,404				8,405
Common shares issued to Pharrmacyclics Inc. stockholders (in shares)	128
Share repurchases		(7,774)					$ (7,774)
Share repurchases (in shares)	(119)						(46)
Stock-based compensation plans and other		(93)	482				$ 389
Stock-based compensation plans and other (in shares)	10
Ending balance at Dec. 31, 2015	$ 17	$ (8,839)	$ 13,080	$ 2,248	$ (2,561)		$ 3,945
Balance (in shares) at Dec. 31, 2015	1,610