Amount of deferred tax liability attributable to taxable temporary differences classified as other.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32632-109319

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32621-109319

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

Income Taxes (Deferred Tax Assets (Liabilities)) (Parenthetical) (Details) - USD ($) $ in Millions	Jun. 30, 2021	Jun. 30, 2020	Mar. 19, 2019
Income Tax Disclosure [Line Items]
Other deferred tax liability	$ 2	$ 2
Separation and Distribution
Income Tax Disclosure [Line Items]
Estimated tax liability included in Transaction Tax paid			$ 5,800