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Financial Instruments (Narrative) (Details) € in Millions, $ in Millions | 12 Months Ended |
--- | --- | ---
Jun. 30, 2019 USD ($) | Jun. 30, 2018 USD ($) | Jun. 30, 2019 EUR (€)
Derivative [Line Items] |  |  |
Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments | $ 0 | $ 0 |
Currency Swap [Member] |  |  |
Derivative [Line Items] |  |  |
Derivative Liability, Notional Amount | € |  |  | € 200
Fair Value Hedging | Interest Rate Swaps |  |  |
Derivative [Line Items] |  |  |
Derivative, notional amount | 2,150 | 2,313 |
Designated as Hedging Instrument | Fair Value Hedging | Interest Rate Swaps |  |  |
Derivative [Line Items] |  |  |
Derivative, notional amount |  | 1,100 |
Derivatives, terminated notional amounts | $ 163 |  |
Derivatives, matured notional amounts |  | $ 550 |

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- Definition Amount of gain (loss) from the increase (decrease) in fair value of derivative and nonderivative instruments designated as fair value hedging instruments recognized in the income statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=109977999&loc=d3e76258-113986 + Details
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