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Financial Instruments (Narrative) (Details) ¥ in Millions, $ in Millions | 12 Months Ended |
--- | --- | ---
Jun. 30, 2022 USD ($) | Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($) | Jun. 30, 2022 JPY (¥)
Derivative [Line Items] |  |  |  |
Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments | $ 0 | $ 0 | $ 0 |
Proceeds from net investment hedge terminations | 71 | 0 | 0 |
Interest Rate Swap |  |  |  |
Derivative [Line Items] |  |  |  |
Deferred Gain (Loss) on Discontinuation of Interest Rate Fair Value Hedge |  | 18 |  |
Currency Swap [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative Liability, Notional Amount | 600 |  |  | ¥ 64,000
Foreign Currency Contracts |  |  |  |
Derivative [Line Items] |  |  |  |
Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), before Reclassification and Tax | 86 | 7 |  |
Interest Income (Expense), Nonoperating, Net | 21 | 19 |  |
Cash Flow Hedging |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative Liability, Notional Amount |  |  | 200 |
Derivates, Hedge Discontinuances, Hedging Instrument Terminated, Amount |  | 200 |  |
Fair Value Hedging | Interest Rate Swap |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, notional amount | 800 | 200 |  |
Cash Flow Hedging | Foreign Currency Contracts |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, notional amount | 327 | 436 |  |
Designated as Hedging Instrument | Fair Value Hedging | Interest Rate Swap |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative Liability, Notional Amount | 600 | 200 |  |
Derivatives, matured notional amounts |  |  | 200 |
Derivates, Hedge Discontinuances, Hedging Instrument Terminated, Amount |  | $ 550 |  |
Deferred Gain (Loss) on Discontinuation of Interest Rate Fair Value Hedge |  |  | $ 112 |
Designated as Hedging Instrument | Net Investment Hedging [Member] | Currency Swap [Member] | September 2025 [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative Liability, Notional Amount | 200 |  |  | 24,000
Designated as Hedging Instrument | Net Investment Hedging [Member] | Currency Swap [Member] | June 2027 [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative Liability, Notional Amount | $ 200 |  |  | ¥ 24,000

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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 https://asc.fasb.org/extlink&oid=121577467&loc=d3e76258-113986 + Details
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- Definition Amount as of the balance sheet date of the unamortized adjustment to the carrying value of an interest-bearing hedged item made under an effective interest rate fair value hedge that is amortized upon discontinuation of the interest rate fair value hedge. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 35 -Paragraph 9 -URI https://asc.fasb.org/extlink&oid=124267147&loc=d3e75592-113984 + Details
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