Agreements and Transactions	9 Months Ended
Sep. 30, 2017
Agreements and Transactions [Abstract]
Agreements and Transactions with Baxter	Agreements and Transactions with Baxter In connection with Baxalta’s separation from Baxter on July 1, 2015, Baxalta and Baxter entered into several separation-related agreements that provided a framework for Baxalta’s relationship with Baxter after the separation. These agreements, among others, included a manufacturing and supply agreement, a transition services agreement and a tax matters agreement. For further details on existing agreements with Baxter, refer to Note 28, Agreements and Transactions with Baxter, of Shire's 2016 Form 10-K. The Company reported revenues associated with the manufacturing and supply agreement with Baxter during the three and nine months ended September 30, 2017 of approximately $35.8 million and $106.5 million, respectively, and during the three and nine months ended September 30, 2016 of approximately $31.0 million and $47.0 million, respectively. The Company reported Selling, general and administrative expenses associated with the transition services agreement with Baxter during the three and nine months ended September 30, 2017 of approximately $9.8 million and $43.5 million, respectively, and during the three and nine months ended September 30, 2016 of approximately $24.0 million and $32.0 million, respectively. Net tax-related indemnification liabilities as of September 30, 2017 associated with the tax matters agreement with Baxter are discussed in Note 19, Commitments and Contingencies, of these Unaudited Consolidated Financial Statements. As of September 30, 2017, the Company had total amounts due from or to Baxter of $95.6 million reported in Prepaid expenses and other current assets, $33.6 million reported in Other non-current assets, $60.4 million reported in Other current liabilities and $59.6 million reported in Other non-current liabilities.

Agreements and Transactions with Baxter

In connection with Baxalta’s separation from Baxter on July 1, 2015, Baxalta and Baxter entered into several separation-related agreements that provided a framework for Baxalta’s relationship with Baxter after the separation. These agreements, among others, included a manufacturing and supply agreement, a transition services agreement and a tax matters agreement. For further details on existing agreements with Baxter, refer to Note 28, Agreements and Transactions with Baxter, of Shire's 2016 Form 10-K.

The Company reported revenues associated with the manufacturing and supply agreement with Baxter during the three and nine months ended September 30, 2017 of approximately $35.8 million and $106.5 million, respectively, and during the three and nine months ended September 30, 2016 of approximately $31.0 million and $47.0 million, respectively. The Company reported Selling, general and administrative expenses associated with the transition services agreement with Baxter during the three and nine months ended September 30, 2017 of approximately $9.8 million and $43.5 million, respectively, and during the three and nine months ended September 30, 2016 of approximately $24.0 million and $32.0 million, respectively. Net tax-related indemnification liabilities as of September 30, 2017 associated with the tax matters agreement with Baxter are discussed in Note 19, Commitments and Contingencies, of these Unaudited Consolidated Financial Statements.

As of September 30, 2017, the Company had total amounts due from or to Baxter of $95.6 million reported in Prepaid expenses and other current assets, $33.6 million reported in Other non-current assets, $60.4 million reported in Other current liabilities and $59.6 million reported in Other non-current liabilities.