ALLIANCES ALLIANCES (The Medicines Company) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Alliances Statement [Line Items]
Number of years in alliance period	2
Net product sales	$ 12,304	$ 13,654	$ 17,622
Alliance and other revenues	4,081	3,967	3,622
The Medicines Company [Member]
Alliances Statement [Line Items]
Alliance and other revenues	74
The Medicines Company [Member] | Recothrom [Member]
Alliances Statement [Line Items]
Net product sales		67
The Medicines Company [Member] | Recothrom [Member] | Upfront, milestone and other licensing payments [Member]
Alliances Statement [Line Items]
Upfront, milestone and other licensing payments received	115
Upfront payment allocated to license and other rights transferred to a collaboration partner	80
Upfront option fee to be received from a collaboration partner	$ 35