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OTHER - Changes in Estimates (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 26, 2022	Jun. 27, 2021	Jun. 26, 2022	Jun. 27, 2021
Change in Accounting Estimate [Line Items]
Performance obligation satisfied in previous period	$ 481	$ 492	$ 897	$ 984
Classified Fixed-Price Incentive Fee Contract | Aeronautics
Change in Accounting Estimate [Line Items]
Performance growth costs			225
Classified Fixed-Price Incentive Fee Contract | Rotary and Mission Systems
Change in Accounting Estimate [Line Items]
Cumulative losses on development	280		280
EADGE-T
Change in Accounting Estimate [Line Items]
Cumulative losses on development	260		260
Contracts Accounted for under Percentage of Completion
Change in Accounting Estimate [Line Items]
Increase in operating profit due to profit rate adjustments	455	385	860	880
Increase in net earnings due to profit rate adjustments	$ 359	$ 304	$ 679	$ 695
Increase in diluted earnings per common share due to profit rate adjustments (in dollars per share)	$ 1.35	$ 1.09	$ 2.53	$ 2.49

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- Definition

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- Definition

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- Definition

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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