RESTATEMENT OF PREVIOUSLY ISSUED FINANCIAL STATEMENTS - Cash Flows (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Cash Flows From Operating Activities
Net (loss) income	$ (1,219.1)	$ 51.7	$ (1,896.0)	$ 98.6
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization, including impairments of finite-lived intangible assets			2,532.5	1,768.4
Amortization and write-off of debt discounts and debt issuance costs			89.2	123.7
In-process research and development impairments			20.0	108.1
Acquisition accounting adjustment on inventory sold			38.1	97.7
Acquisition-related contingent consideration			18.3	22.6
Allowances for losses on accounts receivable and inventories			95.9	46.4
Deferred income tax benefit			(310.3)	(61.1)
Loss on disposal of assets and liabilities			(11.0)	9.2
(Reductions) additions to accrued legal settlements			(32.1)	31.9
Payments of accrued legal settlements			(67.8)	(32.1)
Share-based compensation			134.0	111.4
Foreign exchange (gain) loss			(14.6)	96.6
Loss on extinguishment of debt	0.0	0.0	0.0	20.0
Payment of contingent consideration adjustments, including accretion			(26.6)	(19.8)
Other			(12.2)	(13.6)
Changes in operating assets and liabilities:
Trade receivables			(30.9)	(656.0)
Inventories			(166.3)	(184.9)
Prepaid expenses and other current assets			117.7	(252.0)
Accounts payable, accrued and other liabilities			29.2	344.7
Net cash provided by operating activities			1,574.5	1,659.8
Net cash used in investing activities			(131.4)	(14,041.9)
Net cash provided by financing activities			(1,388.3)	13,501.5
Effect of exchange rate changes on cash and cash equivalents			6.4	(22.0)
Net increase in cash and cash equivalents			61.2	1,097.4
Cash and cash equivalents, beginning of period			597.3	322.6	$ 322.6
Cash and cash equivalents, end of period	$ 658.5	1,420.0	658.5	1,420.0	597.3
Non-Cash Investing and Financing Activities
Acquisition of businesses, contingent consideration at fair value			0.0	(744.5)
Acquisition of businesses, debt assumed			$ 0.0	(3,129.2)
Deferred Income Taxes Payable
Non-Cash Investing and Financing Activities
Reclassification adjustment				(14.0)
Accounts Payable and Accrued Liabilities
Non-Cash Investing and Financing Activities
Reclassification adjustment				14.0
Revenue Recognition Correction
Cash Flows From Operating Activities
Net (loss) income				98.6
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization, including impairments of finite-lived intangible assets				1,768.4
Amortization and write-off of debt discounts and debt issuance costs				123.7
In-process research and development impairments				108.1
Acquisition accounting adjustment on inventory sold				97.7
Acquisition-related contingent consideration				22.6
Allowances for losses on accounts receivable and inventories				46.4
Deferred income tax benefit				(61.1)
Loss on disposal of assets and liabilities				9.2
(Reductions) additions to accrued legal settlements				31.9
Payments of accrued legal settlements				(32.1)
Share-based compensation				111.4
Foreign exchange (gain) loss				96.6
Loss on extinguishment of debt				20.0
Payment of contingent consideration adjustments, including accretion				(19.8)
Other				(13.6)
Changes in operating assets and liabilities:
Trade receivables				(656.0)
Inventories				(184.9)
Prepaid expenses and other current assets				(252.0)
Accounts payable, accrued and other liabilities				344.7
Net cash provided by operating activities				1,659.8
Net cash used in investing activities				(14,041.9)
Net cash provided by financing activities				13,501.5
Effect of exchange rate changes on cash and cash equivalents				(22.0)
Net increase in cash and cash equivalents				1,097.4
Cash and cash equivalents, beginning of period				322.6	322.6
Cash and cash equivalents, end of period		1,420.0		1,420.0
Non-Cash Investing and Financing Activities
Acquisition of businesses, contingent consideration at fair value				(744.5)
Acquisition of businesses, debt assumed				(3,129.2)
Revenue Recognition Correction | Amounts Recognized as of Acquisition Date (as previously reported)
Cash Flows From Operating Activities
Net (loss) income				74.6
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization, including impairments of finite-lived intangible assets				1,768.4
Amortization and write-off of debt discounts and debt issuance costs				123.7
In-process research and development impairments				108.1
Acquisition accounting adjustment on inventory sold				97.7
Acquisition-related contingent consideration				22.6
Allowances for losses on accounts receivable and inventories				46.4
Deferred income tax benefit				(64.7)
Loss on disposal of assets and liabilities				9.2
(Reductions) additions to accrued legal settlements				31.9
Payments of accrued legal settlements				(32.1)
Share-based compensation				111.4
Foreign exchange (gain) loss				96.6
Loss on extinguishment of debt				20.0
Payment of contingent consideration adjustments, including accretion				(19.8)
Other				(13.6)
Changes in operating assets and liabilities:
Trade receivables				(656.0)
Inventories				(132.4)
Prepaid expenses and other current assets				(252.0)
Accounts payable, accrued and other liabilities				319.8
Net cash provided by operating activities				1,659.8
Net cash used in investing activities				(14,041.9)
Net cash provided by financing activities				13,501.5
Effect of exchange rate changes on cash and cash equivalents				(22.0)
Net increase in cash and cash equivalents				1,097.4
Cash and cash equivalents, beginning of period				322.6	322.6
Cash and cash equivalents, end of period		1,420.0		1,420.0
Non-Cash Investing and Financing Activities
Acquisition of businesses, contingent consideration at fair value				(783.3)
Acquisition of businesses, debt assumed				(3,129.2)
Revenue Recognition Correction | Restatement Adjustment
Cash Flows From Operating Activities
Net (loss) income				24.0
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization, including impairments of finite-lived intangible assets				0.0
Amortization and write-off of debt discounts and debt issuance costs				0.0
In-process research and development impairments				0.0
Acquisition accounting adjustment on inventory sold				0.0
Acquisition-related contingent consideration				0.0
Allowances for losses on accounts receivable and inventories				0.0
Deferred income tax benefit				3.6
Loss on disposal of assets and liabilities				0.0
(Reductions) additions to accrued legal settlements				0.0
Payments of accrued legal settlements				0.0
Share-based compensation				0.0
Foreign exchange (gain) loss				0.0
Loss on extinguishment of debt				0.0
Payment of contingent consideration adjustments, including accretion				0.0
Other				0.0
Changes in operating assets and liabilities:
Trade receivables				0.0
Inventories				(52.5)
Prepaid expenses and other current assets				0.0
Accounts payable, accrued and other liabilities				24.9
Net cash provided by operating activities				0.0
Net cash used in investing activities				0.0
Net cash provided by financing activities				0.0
Effect of exchange rate changes on cash and cash equivalents				0.0
Net increase in cash and cash equivalents				0.0
Cash and cash equivalents, beginning of period				0.0	$ 0.0
Cash and cash equivalents, end of period		$ 0.0		0.0
Non-Cash Investing and Financing Activities
Acquisition of businesses, contingent consideration at fair value				38.8
Acquisition of businesses, debt assumed				$ 0.0