Equity and Redeemable Preferred Stock - Narrative (Details) $ / shares in Units, $ in Millions					1 Months Ended		12 Months Ended
	Jul. 03, 2023 shares	Jul. 01, 2022 USD ($) $ / shares shares	Jun. 08, 2021 USD ($)	Mar. 31, 2021 USD ($) d $ / shares shares	Mar. 31, 2021 $ / shares	Jul. 31, 2020 year d shares	Jun. 30, 2023 USD ($) $ / shares shares	Jun. 30, 2022 USD ($) $ / shares shares	Jun. 30, 2021 shares
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)							5,000,000
Series A Mandatory Convertible Preferred Stock | Expected Term
Class of Stock [Line Items]
Measurement input | year						3
Series A Mandatory Convertible Preferred Stock | Risk Free Interest Rate
Class of Stock [Line Items]
Measurement input						0.002
Series A Mandatory Convertible Preferred Stock | Dividend Yield
Class of Stock [Line Items]
Measurement input						0
Series A Mandatory Convertible Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares issued (in shares)							2,300,000
Preferred stock, dividend rate, percentage							6.00%
Series B Convertible Preferred Stock
Class of Stock [Line Items]
Redeemable convertible preferred stock, shares authorized (in shares)							215,000
Redeemable convertible preferred stock, shares issued (in shares)							215,000	75,000
Mandatory convertible preferred stock, par value (in usd per share) | $ / shares							$ 0	$ 0
Redeemable convertible preferred stock, shares outstanding (in shares)							215,000	75,000	75,000
Mandatory Convertible Preferred Stock
Class of Stock [Line Items]
Convertible preferred stock, right to convert, into common stock (in shares)						1
Mandatory convertible preferred stock, holder, days after effective date of change | d						20
Mandatory Convertible Preferred Stock | Dividend Declared
Class of Stock [Line Items]
Accrued preferred stock dividends | $							$ 28	$ 28
Mandatory Convertible Preferred Stock | Subsequent Event
Class of Stock [Line Items]
Redeemable convertible preferred stock, shares issued (in shares)	0
Convertible preferred stock, shares issued upon conversion (in shares)	4.4523
Redeemable convertible preferred stock, shares outstanding (in shares)	0
Mandatory Convertible Preferred Stock | Minimum
Class of Stock [Line Items]
Convertible preferred stock, shares issued upon conversion (in shares)						3.8760
Mandatory Convertible Preferred Stock | Maximum
Class of Stock [Line Items]
Convertible preferred stock, shares issued upon conversion (in shares)						4.4523
Mandatory Convertible Preferred Stock | Underwritten Public Offering
Class of Stock [Line Items]
Shares issued and sold (in shares)						2,300,000
Common Stock | Subsequent Event
Class of Stock [Line Items]
Preferred stock, shares converted (in shares)	10,240,290
Series B-1 Convertible Preferred Stock
Class of Stock [Line Items]
Mandatory convertible preferred stock, par value (in usd per share) | $ / shares				$ 0	$ 0
Shares issued and sold (in shares)				75,000
Equity per share price (in usd per share) | $ / shares				$ 10,000	10,000
Aggregate purchase price of stock sold | $				$ 750
Preferred stock, dividend rate, percentage				5.00%
Debt instrument conversion, conversion price per share | $ / shares				$ 85	$ 85
Common stock , conversion, if volume weighted average price, percentage exceeds applicable conversion price				150.00%
Trading days | d				20
Consecutive trading days | d				30
Default on payment obligation, cure period					30 days
Default on payment obligation, dividend rate, quarterly increase, percentage					200.00%
Preferred stock, accretion of redemption value, period					10 years
Series B-1 Convertible Preferred Stock | Minimum
Class of Stock [Line Items]
Preferred stock, default on payment obligation, dividend rate, percentage					8.00%
Series B-1 Convertible Preferred Stock | Maximum
Class of Stock [Line Items]
Preferred stock, default on payment obligation, dividend rate, percentage				14.00%	14.00%
Series B-1 Convertible Preferred Stock | Over-Allotment Option
Class of Stock [Line Items]
Aggregate purchase price of stock sold | $			$ 2,150
Series B-2 Convertible Preferred Stock
Class of Stock [Line Items]
Shares issued and sold (in shares)		140,000
Equity per share price (in usd per share) | $ / shares		$ 10,000
Aggregate purchase price of stock sold | $		$ 1,400
Preferred Stock
Class of Stock [Line Items]
Accrued preferred stock dividends | $							$ 117	$ 41