Debt - Narrative (Details)	12 Months Ended
Jun. 30, 2022 USD ($)
Debt Instrument [Line Items]
Debt instrument, face amount	$ 3,000,000,000
Long-term debt, fair value	$ 2,721,000,000
Minimum
Debt Instrument [Line Items]
Debt instrument, term	7 years
Maximum
Debt Instrument [Line Items]
Debt instrument, term	10 years

Face (par) amount of debt instrument at time of issuance.

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Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant