Shareholders' Equity (Narrative) (Details) $ / shares in Units, $ in Millions	Sep. 19, 2015	Mar. 31, 2016 USD ($)	Mar. 31, 2016 € / shares	Dec. 31, 2015 USD ($)	Nov. 16, 2015 USD ($)	Jul. 23, 2015 shares	Apr. 21, 2015 $ / shares
Class of Stock [Line Items]
Par value, per preferred shares | € / shares			€ 0.01
Teva unsolicited, non-binding expression of interest purchase price | $ / shares							$ 82
Preferred shares outstanding | shares						488,388,431
Stock issued during period, foreign requirement for acquisition, percent	25.00%
Other current liabilities		$ 1,690.9		$ 1,841.9
Stock Repurchase Program, Authorized Amount					$ 1,000.0
Stock Repurchase Program, Remaining Authorized Repurchase Amount		$ 932.5
Preferred share
Class of Stock [Line Items]
Other current liabilities				$ 1.3