Subsequent Events Subsequent Events (Details) $ in Millions	Jul. 06, 2020 USD ($)
June 2020 Senior Notes Issuance [Domain]
Subsequent Event [Line Items]
Gain (Loss) on Redemption of Debt Instrument	$ 95

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration