Debt (Details) - USD ($)	3 Months Ended
Sep. 30, 2019	Jun. 30, 2019
Term Loan Due September 2023 \| Medium-term Notes
Debt Instrument [Line Items]
Loan principle	$ 925,000,000
Amended And Extended Multi-Currency Credit Agreement
Debt Instrument [Line Items]
Commercial paper outstanding	1,691,000,000	$ 586,000,000
Amended And Extended Multi-Currency Credit Agreement \| Line of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 2,500,000,000
Debt to debt-shareholders' equity ratio, maximum	0.65
Debt to debt-shareholders' equity ratio	0.60
London Interbank Offered Rate (LIBOR) \| Term Loan Due September 2023 \| Medium-term Notes
Debt Instrument [Line Items]
Basis spread on variable rate	1.00%

Debt Instrument, Covenant, Debt To Debt-Shareholders' Equity Ratio, Maximum

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- Definition

Debt Instrument, Debt To Debt-Shareholders' Equity Ratio

+ References

No definition available.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
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-Section 45
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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-Publisher FASB
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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of long-term unsecured obligations issued by corporations and other borrowers to investors (with maturities initially due after one year or beyond the operating cycle if longer).

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