OTHER - Contract Estimates (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
Mar. 26, 2023	Mar. 27, 2022
Change in Accounting Estimate [Line Items]
Performance obligation satisfied in previous period	$ 433	$ 416
Classified Fixed-Price Incentive Fee Contract \| Aeronautics
Change in Accounting Estimate [Line Items]
Performance growth costs	270
Classified Fixed-Price Incentive Fee Contract \| Rotary and Mission Systems
Change in Accounting Estimate [Line Items]
Cumulative losses on development	280
Contracts Accounted for under Percentage of Completion
Change in Accounting Estimate [Line Items]
Increase in operating profit due to profit rate adjustments	415	405
Increase in net earnings due to profit rate adjustments	$ 328	$ 320
Increase in diluted earnings per common share due to profit rate adjustments (in dollars per share)	$ 1.28	$ 1.19

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Amount of revenue recognized from performance obligation satisfied or partially satisfied in previous reporting periods. Includes, but is not limited to, change in transaction price.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 12A
-URI https://asc.fasb.org/extlink&oid=126920106&loc=SL108322424-203045

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