v3.22.2.2
Equity and Accumulated Other Comprehensive Income (Loss) Equity (Details)
$ / shares in Units, number in Millions
 3 Months Ended 9 Months Ended 12 Months Ended
Nov. 18, 2021
USD ($)
shares
Nov. 23, 2020
USD ($)
shares
Jun. 15, 2020
USD ($)
$ / shares
shares
Feb. 06, 2020
USD ($)
$ / shares
shares
Mar. 31, 2022
USD ($)
Mar. 31, 2022
USD ($)
Jun. 30, 2022
USD ($)
$ / shares
shares
Jun. 30, 2021
USD ($)
$ / shares
shares
Jun. 30, 2020
USD ($)
$ / shares
shares
May 17, 2019
USD ($)
Equity [Abstract]                    
Common Stock, Shares Authorized | shares             1,000,000,000 1,000,000,000    
Common stock, par value (usd per share) | $ / shares             $ 0.01 $ 0.01    
Preferred Stock, Shares Authorized | shares             100,000,000 100,000,000    
Preferred Stock, Shares Issued & Outstanding | shares             384,777 650,000    
Preferred Stock, Par or Stated Value Per Share | $ / shares             $ 0.01 $ 0.01 $ 0.01  
Stock Issued During Period, Shares, New Issues | shares     8,000,000 8,000,000            
Shares Issued, Price Per Share | $ / shares     $ 70.72 $ 58.58            
Stock Issued During Period, Value, New Issues | $     $ 548,000,000 $ 494,000,000       $ 82,000,000 $ 1,042,000,000  
Net Proceeds used to Repay Debt, Stock Issued During Period, New Issues | $     $ 200,000,000 $ 100,000,000            
Stcok Issued During Period, Shares, Over-allotment Option     1.0              
Stock Issued During Period, Value, Over-allotment Option | $     $ 82,000,000              
Auction Market Preferred Securities, Stock Series [Line Items]                    
Preferred Stock, Shares Authorized | shares             100,000,000 100,000,000    
Preferred Stock, Par or Stated Value Per Share | $ / shares             $ 0.01 $ 0.01 $ 0.01  
Preferred Stock, Shares Issued | shares             384,777 650,000 650,000  
Preferred Stock, Issuance Value | $                 $ 650,000,000  
Preferred Stock, Value, Issued | $                 1,000  
Preferred Stock, Issuance Value, Net | $             $ 646,000,000      
Embedded Derivative, Estimate of Embedded Derivative Liability | $                   $ 40,000,000
Conversion of Stock, Shares Converted | shares 384,777 265,223                
Dividends, Preferred Stock, Stock | $ $ 2 $ 2,000,000                
Convertible Preferred Stock, Shares Issued upon Conversion | shares 20.32 20.33                
Stock Issued During Period, Shares, Conversion of Convertible Securities | shares 7,817,554 5,392,280                
Preferred Stock, Shares Issued & Outstanding | shares             384,777 650,000    
Stock Issued During Period, Value, Conversion of Convertible Securities | $             $ 362,000,000 $ 253,000,000    
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Purchases, Sales, Issues, Settlements | $   $ 4,000,000       $ 1 1,000,000      
Additional Paid-in Capital [Member]                    
Equity [Abstract]                    
Stock Issued During Period, Value, New Issues | $               82,000,000 $ 1,042,000,000  
Auction Market Preferred Securities, Stock Series [Line Items]                    
Stock Issued During Period, Value, Conversion of Convertible Securities | $   $ 253,000,000     $ 362   $ 362,000,000 $ 253,000,000    
Designated shares [Member]                    
Equity [Abstract]                    
Preferred Stock, Shares Authorized | shares                 1,000,000  
Auction Market Preferred Securities, Stock Series [Line Items]                    
Preferred Stock, Shares Authorized | shares                 1,000,000