Convertible Bonds	9 Months Ended
Sep. 30, 2013
Convertible Debt [Abstract]
Convertible Bonds Disclosure	10. Convertible Bonds Shire 2.75% Convertible Bonds due 2014 On May 9, 2007 Shire issued $1,100 million in principal amount of 2.75% convertible bonds due in 2014 and convertible into fully paid ordinary shares of Shire plc (the “Bonds”). The Bonds were issued at 100% of their principal amount, and unless previously purchased and cancelled, redeemed or converted, will be redeemed on May 9, 2014 (the “Final Maturity Date”) at their principal amount. The Bonds may be redeemed at the option of the Company, at their principal amount together with accrued and unpaid interest if: (i) at any time after May 23, 2012 if on no less than 20 dealing days in any period of 30 consecutive dealing days the value of Shire's ordinary shares underlying each Bond in the principal amount of $100,000 would exceed $130,000; or (ii) at any time conversion rights have been exercised, and/or purchases and corresponding cancellations, and/or redemptions effected in respect of 85% or more in principal amount of Bonds originally issued The Bonds are repayable in US dollars, but also contain provisions entitling the Company to settle redemption amounts in Pounds sterling or in the case of Final Maturity Date by delivery of the underlying ordinary shares and, if necessary, a cash top-up amount. As the Bonds will be redeemed within twelve months of the balance sheet date, the Bonds have been presented as a current liability at September 30, 2013.

Convertible Bonds

9 Months Ended

Sep. 30, 2013

10. Convertible Bonds

Shire 2.75% Convertible Bonds due 2014

On May 9, 2007 Shire issued $1,100 million in principal amount of 2.75% convertible bonds due in 2014 and convertible into fully paid ordinary shares of Shire plc (the “Bonds”). The Bonds were issued at 100% of their principal amount, and unless previously purchased and cancelled, redeemed or converted, will be redeemed on May 9, 2014 (the “Final Maturity Date”) at their principal amount.

The Bonds may be redeemed at the option of the Company, at their principal amount together with accrued and unpaid interest if: (i) at any time after May 23, 2012 if on no less than 20 dealing days in any period of 30 consecutive dealing days the value of Shire's ordinary shares underlying each Bond in the principal amount of $100,000 would exceed $130,000; or (ii) at any time conversion rights have been exercised, and/or purchases and corresponding cancellations, and/or redemptions effected in respect of 85% or more in principal amount of Bonds originally issued

The Bonds are repayable in US dollars, but also contain provisions entitling the Company to settle redemption amounts in Pounds sterling or in the case of Final Maturity Date by delivery of the underlying ordinary shares and, if necessary, a cash top-up amount. As the Bonds will be redeemed within twelve months of the balance sheet date, the Bonds have been presented as a current liability at September 30, 2013.