Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2018

Accounting Policies [Abstract]

Effect of Adoption of Topic 606

Unaudited Consolidated Balance Sheets

	As of March 31, 2018
(In millions)	As reported		Before Adoption of Topic 606		Effect of change
Prepaid expenses and other current assets	$	1,080.5	$	1,035.8	$	44.7
Other current liabilities	1,218.4		1,229.2		(10.8		)
Other non-current liabilities	2,074.1		2,076.5		(2.4		)
Retained earnings	10,594.7		10,564.5		30.2

Unaudited Consolidated Statements of Operations

	Three Months ended March 31, 2018
(In millions, except per share)	As reported		Before Adoption of Topic 606		Effect of change
Product sales	$	3,637.1	$	3,642.5	$	(5.4	)
Royalties and other revenues	128.6		151.4		(22.8		)
Net income	550.6		572.4		(21.8		)
Net income per share applicable to common shareholders - basic	0.61		0.63		(0.02		)
Net income per share applicable to common shareholders - diluted	0.60		0.63		(0.03		)

Unaudited Consolidated Statements of Cash Flows

	Three Months ended March 31, 2018
(In millions)	As reported			Before Adoption of Topic 606			Effect of change
Net income	$	550.6		$	572.4		$	(21.8	)
Adjustments to reconcile net income to net cash provided by operating activities:
Increase in prepayments and other assets	(136.7		)	(92.0		)	(44.7		)
Decrease in accounts payable and other liabilities	(172.6		)	(159.4		)	(13.2		)