EQUITY (Changes in Equity) (Details) (USD $) Share data in Millions, unless otherwise specified	1 Months Ended		3 Months Ended								12 Months Ended						12 Months Ended
	Jun. 30, 2012	May 31, 2010	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Common Stock [Member]	Dec. 31, 2013 Common Stock [Member]	Dec. 31, 2010 Common Stock [Member]	Dec. 31, 2013 Treasury Stock [Member]	Dec. 31, 2012 Treasury Stock [Member]	Dec. 31, 2011 Treasury Stock [Member]
Equity [Line Items]
Common Stock, Shares Issued, Balance at January 1,														2,205	2,208	2,205
Common Stock, Shares Issued, Balance at December 31,														2,208	2,208	2,205
Common Stock, Value, Issued, Balance at January 1,						$ 221,000,000					$ 221,000,000			$ 220,000,000	$ 221,000,000	$ 220,000,000
Common Stock, Value, Issued, Balance at December 31,			221,000,000				221,000,000				221,000,000	221,000,000		221,000,000	221,000,000	220,000,000
Capital in Excess of Par Value of Stock, Balance at January 1,						2,694,000,000				3,114,000,000	2,694,000,000	3,114,000,000	3,682,000,000
Employee stock compensation plans, Capital in Excess of Par Value of Stock											(772,000,000)	(420,000,000)	(568,000,000)
Capital in Excess of Par Value of Stock, Balance at December 31,			1,922,000,000				2,694,000,000				1,922,000,000	2,694,000,000	3,114,000,000
Retained Earnings, Balance at January 1,						32,733,000,000				33,069,000,000	32,733,000,000	33,069,000,000	31,636,000,000
Net Earnings/(Loss) Attributable to BMS			726,000,000	692,000,000	536,000,000	609,000,000	925,000,000	(711,000,000)	645,000,000	1,101,000,000	2,563,000,000	1,960,000,000	3,709,000,000
Cash dividends declared											(2,344,000,000)	(2,296,000,000)	(2,276,000,000)
Retained Earnings, Balance at December 31,			32,952,000,000				32,733,000,000				32,952,000,000	32,733,000,000	33,069,000,000
Treasury Stock, Shares, Balance at January 1,						570				515	570	515	501
Stock repurchase program, Treasury Stock											11	73	42
Employee stock compensation plans, Shares														(3)			(22)	(18)	(28)
Treasury Stock, Shares, Balance at December 31,			559				570				559	570	515
Cost of Treasury Stock, Balance at January 1,						(18,823,000,000)				(17,402,000,000)	(18,823,000,000)	(17,402,000,000)	(17,454,000,000)
Employee stock compensation plans, Cost														1,000,000			1,436,000,000	986,000,000	1,278,000,000
Stock repurchase program, Cost of Treasury Stock											(413,000,000)	(2,407,000,000)	(1,226,000,000)
Cost of Treasury Stock, Balance at December 31,			(17,800,000,000)				(18,823,000,000)				(17,800,000,000)	(18,823,000,000)	(17,402,000,000)
Noncontrolling interest, Balance at January 1,						15,000,000				(89,000,000)	15,000,000	(89,000,000)	(75,000,000)
Net earnings attributable to noncontrolling interest											38,000,000	850,000,000	2,333,000,000
Other comprehensive income attributable to noncontrolling interest												(6,000,000)	7,000,000
Distributions											29,000,000	(740,000,000)	(2,354,000,000)
Noncontrolling interest, Balance at December 31,			82,000,000				15,000,000				82,000,000	15,000,000	(89,000,000)
The increase in authorization of common stock repurchases		3,000,000,000
Stock repurchase program, Authorized amount	3,000,000,000
Net earnings attributable to noncontrolling interest, tax											$ 20,000,000	$ 317,000,000	$ 792,000,000