Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

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Financial instruments - Additional information (Details) € in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2019 USD ($)	Mar. 31, 2019 EUR (€)	Jun. 30, 2018
Senior Notes \| Senior Notes Due 2025
Debt Instrument [Line Items]
Aggregate principal amount (in EUR) \| €		€ 700
Minimum
Debt Instrument [Line Items]
Contractual maturities of available-for-sale debt			1 year
Maximum
Debt Instrument [Line Items]
Contractual maturities of available-for-sale debt			3 years
Forward exchange contracts
Debt Instrument [Line Items]
Net unrealized gains recorded in income \| $	$ 14