Debt Schedule of long-term debt (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2019	Jun. 30, 2018
Debt Instrument [Line Items]
Other long-term debt	$ 340	$ 762
Deferred debt issuance costs	(75,321)	(41,432)
Long-term debt	6,521,059	4,418,970
Less: Long-term debt payable within one year	228	100,411
Long-term debt, net	6,520,831	4,318,559
Medium-term Notes \| Fixed rate medium-term notes, 3.30% to 6.25%, due 2023 - 2045
Debt Instrument [Line Items]
Long-term debt	$ 2,125,000	$ 2,225,000
Medium-term Notes \| Fixed rate medium-term notes, 3.30% to 6.25%, due 2023 - 2045 \| Minimum
Debt Instrument [Line Items]
Interest rate	3.30%	3.30%
Medium-term Notes \| Fixed rate medium-term notes, 3.30% to 6.25%, due 2023 - 2045 \| Maximum
Debt Instrument [Line Items]
Interest rate	6.25%	6.25%
Senior Notes \| Senior Notes, 2.70% to 4.10%, due 2024 - 2049
Debt Instrument [Line Items]
Long-term debt	$ 3,675,000	$ 1,300,000
Senior Notes \| Senior Notes, 2.70% to 4.10%, due 2024 - 2049 \| Minimum
Debt Instrument [Line Items]
Interest rate	2.70%	2.70%
Senior Notes \| Senior Notes, 2.70% to 4.10%, due 2024 - 2049 \| Maximum
Debt Instrument [Line Items]
Interest rate	4.10%	4.10%
Senior Notes \| Euro Senior Notes, 1.125%, due 2025
Debt Instrument [Line Items]
Interest rate	1.125%	1.125%
Long-term debt	$ 796,040	$ 817,810
Term Loan \| LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate	1.125%
Term Loan \| Euro Term loan, Libor plus 150 bps, due 2022
Debt Instrument [Line Items]
Long-term debt	$ 0	$ 116,830
Term Loan \| Euro Term loan, Libor plus 150 bps, due 2022 \| LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate		1.50%

Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

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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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