v3.8.0.1

Financial Instruments and Fair Value Measurements - Summary of Gains (Losses) From Change in Fair Value of Derivative Instruments Included in Other Comprehensive Income (Parenthetical) (Detail) € in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2017 EUR (€)	Jun. 30, 2017 USD ($)	Jun. 30, 2017 EUR (€)	Dec. 31, 2016 USD ($)	Dec. 31, 2016 EUR (€)
Derivative Instruments Gain Loss [Line Items]
Amount received from (paid for) on settlement of net investment hedges	$ 0	$ 0	$ 2,500,000	$ 16,800,000
Amount received from (paid for) on settlement of net investment hedges	0	0	(2,500,000)	(16,800,000)
Interest expense reclassified	64,190,000	75,310,000	212,456,000	232,577,000
Debt	9,721,065,000		9,721,065,000					$ 10,608,294,000
Amount of gain (loss) included in AOCI	4,061,000	(48,232,000)	46,890,000	(69,832,000)
Senior notes	6,900,000,000		6,900,000,000
Forward Contracts
Derivative Instruments Gain Loss [Line Items]
Amount of gain (loss) included in AOCI	(3,800,000)	0	(15,100,000)
Foreign Currency Options [Member]
Derivative Instruments Gain Loss [Line Items]
Amount of gain (loss) included in AOCI	4,200,000		4,200,000
Designated As Hedging Instrument [Member] | Forward Contracts
Derivative Instruments Gain Loss [Line Items]
Debt	3,600,000,000		3,600,000,000		€ 3,000.0			$ 3,400,000,000	€ 3,200.0
Designated As Hedging Instrument [Member] | Foreign Currency Options [Member]
Derivative Instruments Gain Loss [Line Items]
Senior notes	415,000,000		415,000,000		€ 322.8	$ 645,300,000	€ 500.0
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Derivative Instruments Gain Loss [Line Items]
Interest expense reclassified	1,300,000	$ 2,000,000	4,200,000	$ 4,100,000
Amount to be reclassified to interest expense, next 12 months	$ 3,500,000		$ 3,500,000

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Amount of the cost of borrowed funds accounted for as interest expense.

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The estimated net amount of unrealized gains or losses on interest rate cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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The cash outflow or inflow for a financial contract that meets the hedge criteria as either a cash flow hedge, fair value hedge, or hedge of a net investment in a foreign operation.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

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