CONSOLIDATED STATEMENT OF OPERATIONS - USD ($) $ in Millions	12 Months Ended
	Dec. 29, 2023	Dec. 30, 2022	Dec. 31, 2021
Revenue
Revenue	$ 19,419	$ 17,062	$ 17,814
Cost of revenue
Cost of revenue	(14,306)	(12,135)	(12,438)
General and administrative expenses	(3,262)	(3,006)	(3,280)
Asset group and business divestiture-related gains, net	(51)	8	220
Impairment of goodwill and other assets	(374)	(802)	(207)
Operating income	1,426	1,127	2,109
Non-service FAS pension income and other, net	338	425	439
Interest expense, net	(543)	(279)	(265)
Income from continuing operations before income taxes	1,221	1,273	2,283
Income taxes	(23)	(212)	(440)
Income from continuing operations	1,198	1,061	1,843
Discontinued operations, net of income taxes	0	0	(1)
Net income	1,198	1,061	1,842
Noncontrolling interests, net of income taxes	29	1	4
Net income attributable to L3Harris Technologies, Inc.	1,227	1,062	1,846
Amount attributable to L3Harris Technologies, Inc. common shareholders
Income from continuing operations	1,227	1,062	1,847
Discontinued operations, net of income taxes	0	0	(1)
Net income attributable to L3Harris Technologies, Inc.	$ 1,227	$ 1,062	$ 1,846
Net income per common share attributable to L3Harris Technologies, Inc. common shareholders
Basic (in dollars per share)	$ 6.47	$ 5.54	$ 9.17
Diluted (in dollars per share)	$ 6.44	$ 5.49	$ 9.09
Product
Revenue
Revenue	$ 13,694	$ 12,097	$ 13,156
Cost of revenue
Cost of revenue	(9,711)	(8,355)	(9,007)
Services
Revenue
Revenue	5,725	4,965	4,658
Cost of revenue
Cost of revenue	$ (4,595)	$ (3,780)	$ (3,431)