Borrowings and Capital Leases (Long-term Borrowings) (Details) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Capital leases	$ 341.9	$ 341.7
Other borrowings	46.1	51.6
Total long-term obligations	16,733.7	16,752.4
Total borrowings and capital leases	18,520.9	19,541.1
Baxalta notes
Debt Instrument [Line Items]
Senior notes	4,292.4	4,308.9
SAIIDAC notes
Debt Instrument [Line Items]
Senior notes	$ 12,053.3	$ 12,050.2

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid more than one year (or one operating cycle, if longer) after the balance sheet date.

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Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

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Carrying amount of collateralized debt obligations with maturities initially due after one year or beyond the operating cycle, if longer, excluding the current portion. Obligations include, but not limited to, mortgage loans, chattel loans, and other borrowings secured by assets.

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