Financial Instruments (Schedule of Fair Value Gain Loss Derivative Instrument) (Details) - USD ($) $ in Millions	Jun. 30, 2021	Jun. 30, 2020
Fair Value Hedging \| Interest Rate Swaps
Derivative [Line Items]
Notional Amount	$ 200	$ 550
Fair Value Gain/(Loss)	1	27
Cash Flow Hedging \| Foreign Currency Contracts
Derivative [Line Items]
Notional Amount	690	653
Fair Value Gain/(Loss)	1	(4)
Cash Flow Hedging \| Forward Contracts [Member]
Derivative [Line Items]
Notional Amount	0	200
Fair Value Gain/(Loss)	0	(16)
Cash Flow Hedging \| Currency Swap [Member]
Derivative [Line Items]
Notional Amount	833	833
Fair Value Gain/(Loss)	40	47
Cash Flow Hedging \| Commodity Contracts
Derivative [Line Items]
Notional Amount	0	16
Fair Value Gain/(Loss)	$ 0	$ (1)

Fair value of the assets less the liabilities of a derivative or group of derivatives.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611

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- Definition

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.

+ References

No definition available.

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959

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