Gross Proceeds From Sale and Leaseback Transaction, Investing Activities

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Lessee, Operating Lease, Option to Extend, Number

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Net Proceeds From Sale and Leaseback Transaction

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Sale and Leaseback Transaction, Closing Costs

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Sale and Leaseback Transaction, Residual Value Guarantee Payment

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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Amount of operating lease expense. Excludes sublease income.

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Amount of loss from impairment of right-of-use asset from operating lease.

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Amount of gain (loss) on sale and leaseback transaction from transfer of asset accounted for as sale.

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LEASE COMMITMENTS - Narrative (Details) $ in Millions		3 Months Ended	6 Months Ended		12 Months Ended
LEASE COMMITMENTS - Narrative (Details) $ in Millions	Nov. 24, 2020 USD ($) engineer	Jan. 01, 2021 USD ($)	Jan. 03, 2020 USD ($)	Dec. 28, 2018 USD ($)	Dec. 31, 2021 USD ($)	Jan. 01, 2021 USD ($)	Jan. 03, 2020 USD ($)	Jun. 28, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Operating lease cost			$ 88		$ 172	$ 176
Operating lease expense								$ 73
Non-cash impairment charges for long-lived assets			$ 46	$ 0	207	767	$ 46	$ 0
CTS
Lessee, Lease, Description [Line Items]
Impairment of long-lived assets					56
Impairment charge for ROU asset					19
CTS \| Aviation Systems
Lessee, Lease, Description [Line Items]
Impairment of long-lived assets					$ 145
Commercial Aviation Solutions
Lessee, Lease, Description [Line Items]
Impairment of long-lived assets						257
Commercial Aviation Solutions \| COVID
Lessee, Lease, Description [Line Items]
Impairment of long-lived assets		$ 103
Non-cash impairment charges for long-lived assets		257
Impairment charge for ROU asset		$ 31
Commercial Aviation Solutions \| Lease Termination \| COVID
Lessee, Lease, Description [Line Items]
Impairment charge for ROU asset						5
Parcel of land and manufacturing facility \| CALIFORNIA
Lessee, Lease, Description [Line Items]
Gross proceeds from sale and leaseback transaction	$ 92
Net Proceeds From Sale and Leaseback Transaction	66
Closing costs on sale and leaseback transaction	2
Residual value of guaranteed payment on sale and leaseback transaction	$ 24
Term of lease contract	16 months
Number of lease extension options \| engineer	2
Term of lease extensions	1 month
Pre-tax gain on sale and leaseback transaction						$ 22