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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Acquisitions (Details) - USD ($)				3 Months Ended
Acquisitions (Details) - USD ($)	Feb. 12, 2020	Feb. 03, 2020	Jan. 31, 2020	Apr. 03, 2020	Mar. 29, 2019
Restructuring Cost and Reserve [Line Items]
Payments to acquire businesses, net of cash acquired				$ 1,642,000,000	$ 0
Revenues				2,889,000,000	$ 2,577,000,000
L3Harris Security Detection and Automation Businesses
Restructuring Cost and Reserve [Line Items]
Business combination, consideration transferred		$ 1,000,000,000.0
L3Harris Security Detection and Automation Businesses \| Delayed Draw Term Loan Facility \| Unsecured Debt
Restructuring Cost and Reserve [Line Items]
Line of credit facility, maximum borrowing capacity	$ 1,000,000,000.0
Debt instrument term	2 years
Dynetics
Restructuring Cost and Reserve [Line Items]
Payments to acquire businesses, net of cash acquired			$ 1,640,000,000
Goodwill tax deductible amount			$ 867,000,000
Revenues				129,000,000
Acquisition costs				$ 8,000,000
Dynetics \| Bridge Loan
Restructuring Cost and Reserve [Line Items]
Debt instrument term			364 days
Debt instrument, face amount			$ 1,250,000,000