Subsequent Event (Details) - Subsequent Event $ in Millions	Apr. 25, 2021 USD ($)
Subsequent Event [Line Items]
Proceeds from sale of business	$ 385
Minimum
Subsequent Event [Line Items]
Non-cash impairment loss on sale of business	125
Maximum
Subsequent Event [Line Items]
Non-cash impairment loss on sale of business	$ 135

The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3179-108585

Name:	us-gaap_ProceedsFromDivestitureOfBusinesses
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration