BUSINESS COMBINATION - Preliminary Measurement of Assets Acquired, Liabilities Assumed and Noncontrolling Interest (Details) - USD ($) $ in Millions	6 Months Ended	9 Months Ended
	Jan. 03, 2020	Oct. 02, 2020	Jan. 01, 2021	Jun. 29, 2019	Jun. 28, 2019
Preliminary Fair Value
Goodwill	$ 20,001		$ 18,876		$ 5,340
Measurement Period Adjustments
Goodwill		$ (90)
L3Harris
Preliminary Fair Value
Receivables	829
Contract assets	1,651
Inventories	983
Other current assets	501
Property, plant and equipment	1,219
Operating lease right-of-use assets	812
Goodwill	14,582
Other intangible assets	8,458			$ 8,458
Other non-current assets	314
Total assets acquired	29,349
Accounts payable	885
Contract liabilities	726
Other current liabilities	1,073
Operating lease liabilities	760
Defined benefit plans	1,411
Long-term debt, net	3,548
Other long-term liabilities	2,141
Total liabilities assumed	10,544
Net assets acquired	18,805
Noncontrolling interests	(155)
Total net consideration transferred	18,650
Measurement Period Adjustments
Receivables	(20)
Contract assets	(57)
Inventories	(73)
Other current assets	(16)
Property, plant and equipment	43
Operating lease right-of-use assets	108
Goodwill	(841)
Other intangible assets	1,690
Other non-current assets	(13)
Total assets acquired	821
Accounts payable	(13)
Contract liabilities	4
Other current liabilities	301
Operating lease liabilities	45
Defined benefit plans	0
Long-term debt, net	0
Other long-term liabilities	480
Total liabilities assumed	817
Net assets acquired	4
Noncontrolling interests	(4)
Total net consideration transferred	$ 0
As Previously Reported | L3Harris
Preliminary Fair Value
Receivables				849
Contract assets				1,708
Inventories				1,056
Other current assets				517
Property, plant and equipment				1,176
Operating lease right-of-use assets				704
Goodwill				15,423
Other intangible assets				6,768
Other non-current assets				327
Total assets acquired				28,528
Accounts payable				898
Contract liabilities				722
Other current liabilities				772
Operating lease liabilities				715
Defined benefit plans				1,411
Long-term debt, net				3,548
Other long-term liabilities				1,661
Total liabilities assumed				9,727
Net assets acquired				18,801
Noncontrolling interests				(151)
Total net consideration transferred				$ 18,650