Debt and Other Financing Arrangements - Senior Credit Facility (Details) $ in Billions	Apr. 10, 2018 USD ($)
Line of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 4.9
Line of Credit \| Revolving Credit Facility
Debt Instrument [Line Items]
Debt term	5 years
Maximum borrowing capacity	$ 1.5
Term Loan \| Term Loan A Facility
Debt Instrument [Line Items]
Debt term	5 years
Maximum borrowing capacity	$ 1.7
Term Loan \| Term Loan B Facility
Debt Instrument [Line Items]
Debt term	7 years
Maximum borrowing capacity	$ 1.7

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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