Document and Entity Information Document - USD ($)
$ in Billions

12 Months Ended

Dec. 31, 2019

Feb. 10, 2020

Jun. 28, 2019

Entity Information [Line Items]

Document Type

10-K

Document Annual Report

true

Document Period End Date

Dec. 31, 2019

Current Fiscal Year End Date

--12-31

Document Fiscal Year Focus

2019

Document Fiscal Period Focus

FY

Document Transition Report

false

Entity File Number

1-13699

Entity Central Index Key

0001047122

Entity Registrant Name

RAYTHEON COMPANY

Entity Incorporation, State or Country Code

DE

Entity Tax Identification Number

95-1778500

Entity Address, Address Line One

 870 Winter Street

Entity Address, City or Town

Waltham

Entity Address, State or Province

MA

Entity Address, Postal Zip Code

02451

City Area Code

781

Local Phone Number

522-3000

Title of 12(b) Security

Common Stock, $0.01 par value

Trading Symbol

RTN

Security Exchange Name

NYSE

Entity Well-known Seasoned Issuer

Yes

Entity Voluntary Filers

No

Entity Current Reporting Status

Yes

Entity Interactive Data Current

Yes

Amendment Flag

false

Entity Filer Category

Large Accelerated Filer

Entity Small Business

false

Entity Emerging Growth Company

false

Entity Shell Company

false

Aggregate market value of the voting stock held by non-affiliates

$ 48.3

Entity Common Stock, Shares Outstanding

278,441,000

Documents Incorporated by Reference [Text Block]

Portions of the Registrant’s Definitive Proxy Statement for its 2020 Annual Meeting of Stockholders or an amendment on Form 10-K/A are incorporated by reference in Part III of this Form 10-K.