|**STOCK OPTIONS AND OTHER SHARE-BASED COMPENSATION**   | 6 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
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|**Share-Based Payment Arrangement [Abstract]**         |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|STOCK OPTIONS AND OTHER SHARE-BASED COMPENSATION       | NOTE C: STOCK OPTIONS AND OTHER SHARE-BASED COMPENSATIONAt June 30, 2023, we had stock options or other share-based compensation awards outstanding under several employee stock incentive plans (“L3Harris SIPs”). The compensation cost related to our share-based awards that was charged against income for the quarter and two quarters ended June 30, 2023 was $22 million and $45 million, respectively, and $41 million and $69 million for the quarter and two quarters ended July 1, 2022, respectively.Awards granted to participants under L3Harris SIPs and the weighted-average grant-date fair value per share during the two quarters ended June 30, 2023 and July 1, 2022 are as follows:Two Quarters Ended June 30, 2023Two Quarters Ended July 1, 2022(In millions, except per share amounts)SharesWeighted-Average Grant-Date Fair ValuePer ShareSharesWeighted-Average Grant-Date Fair ValuePer ShareStock options granted(1)0.4$210.370.4$231.71Restricted stock and restricted stock units granted(2)0.2$209.130.2$223.35Performance share units grants(3)0.2$223.090.2$258.83_______________(1)Other than certain stock options granted in connection with new hires, our stock options generally ratably vest in equal amounts over a three-year period.(2)Other than certain restricted stock units granted in connection with new hires, our restricted stock and restricted stock units generally vest on a three-year cliff.(3)Our performance share units are subject to performance criteria and generally vest after the three-year performance period.There were no significant stock options, restricted stock and restricted stock units or performance share units granted to participants under the L3Harris SIPs during the quarters ended June 30, 2023 and July 1, 2022.The aggregate number of shares of our common stock issued under L3Harris SIPs, net of shares withheld for tax purposes, was 0.1 million and 0.4 million for the quarter and two quarters ended June 30, 2023, respectively, and 0.2 million and 0.6 million for the quarter and two quarters ended July 1, 2022, respectively.SeeNote 15: Stock Options and Other Share-Based Compensationin our Fiscal 2022 Form 10-K for additional information regarding the L3Harris SIPs.
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|                                                       | Two Quarters Ended June 30, 2023                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
|(In millions, except per share amounts)                | Shares                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
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|Stock options granted(1)                               | 0.4                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Restricted stock and restricted stock units granted(2) | 0.2                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Performance share units grants(3)                      | 0.2                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           

X- DefinitionThe entire disclosure for share-based payment arrangement.
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