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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

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

Impact of Separation (Details) - USD ($)	Sep. 24, 2018	Sep. 05, 2018	Aug. 28, 2018
Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount	$ 2,000,000,000		$ 2,000,000,000
Credit Facility \| Senior Unsecured Revolving Credit Facility
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity	750,000,000	$ 750,000,000
Credit Facility \| Senior Unsecured Term Credit Facility
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity	$ 500,000,000	$ 500,000,000