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

Subsequent Events (Details) - USD ($) $ in Millions		6 Months Ended
Subsequent Events (Details) - USD ($) $ in Millions	Jul. 31, 2020	Jul. 03, 2020	Jun. 28, 2019
Subsequent Event [Line Items]
Cash proceeds from sale of business, after selling costs and estimated price adjustments		$ 963	$ 0
Subsequent Event \| Disposal Group, Disposed of by Sale, Not Discontinued Operations \| EOTech Business
Subsequent Event [Line Items]
Cash proceeds from sale of business, after selling costs and estimated price adjustments	$ 42