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Shareholders' Equity Narrative (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Oct. 25, 2018
Class of Stock [Line Items]
Payments for Repurchase of Common Stock	$ 350	$ 600
Final Shares Received from ASR Program			2.0
Treasury Shares
Class of Stock [Line Items]
Payments for Repurchase of Common Stock	$ 280	$ 480
Treasury shares acquired (using cost method), shares	6.4	9.5
Payments for Repurchase of Common Stock	$ 280	$ 480
Treasury shares acquired, average price per share (in usd per share)	$ 43.76	$ 50.45

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Final Shares Received from ASR Program

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The cash outflow to reacquire common stock during the period.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585

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Total cost of shares repurchased divided by the total number of shares repurchased.

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Number of shares that have been repurchased during the period and are being held in treasury.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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