Aggregate dividends declared during the period for each share of common stock outstanding.

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The cash outflow to reacquire common stock during the period.

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Number of shares that have been repurchased and retired during the period.

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Subsequent Events (Narrative) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	1 Months Ended					12 Months Ended
	Aug. 10, 2022	Sep. 30, 2020	Aug. 31, 2020	Jan. 31, 2020	Nov. 30, 2019	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Subsequent Event [Line Items]
Repurchase of common stock						$ 1,000	$ 1,001	$ 600
Subsequent Event
Subsequent Event [Line Items]
Total number of shares repurchased	1.5
Repurchase of common stock	$ 50
Class B
Subsequent Event [Line Items]
Cash dividend per share (in USD per share)						$ 0.48	$ 0.46	$ 0.46
Total number of shares repurchased		0.4	2.0
Class A
Subsequent Event [Line Items]
Cash dividend per share (in USD per share)						$ 0.48	$ 0.46	$ 0.46
Total number of shares repurchased		0.9	4.7	2.0	8.0
Semi Annual Dividend \| Class B \| Subsequent Event
Subsequent Event [Line Items]
Cash dividend per share (in USD per share)	$ 0.25
Semi Annual Dividend \| Class A \| Subsequent Event
Subsequent Event [Line Items]
Cash dividend per share (in USD per share)	$ 0.25