Disposal Group, Including Discontinued Operations, Accrued Selling Costs

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- Definition

Gain (Loss) on Disposition of Business And Impairment Of Long-Lived Assets To Be Disposed Of

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- Definition

Impairment Of Long Lived Assets To Be Disposed Of And Goodwill Impairment Charges

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- Definition

Number Of Businesses Held-for-sale

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- Definition

Amount classified as assets attributable to disposal group held for sale or disposed of.

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- Definition

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

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No definition available.

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- Definition

Amount classified as goodwill attributable to disposal group held for sale or disposed of.

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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

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- Definition

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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- Definition

Amount classified as liabilities attributable to disposal group held for sale or disposed of.

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- Definition

The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

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Business Divestitures - Narrative (Details) $ in Millions					3 Months Ended				6 Months Ended		12 Months Ended
Business Divestitures - Narrative (Details) $ in Millions	Jul. 02, 2021 USD ($) business	Jul. 31, 2020 USD ($)	May 15, 2020 USD ($)	May 04, 2020 USD ($)	Jul. 02, 2021 USD ($) business	Apr. 02, 2021 USD ($)	Jul. 03, 2020 USD ($)	Apr. 03, 2020 USD ($)	Jul. 02, 2021 USD ($) business	Jul. 03, 2020 USD ($)	Jan. 01, 2021 USD ($)	Feb. 23, 2021 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net cash proceeds from sale of business, after selling costs and estimated price adjustments									$ 4	$ 0
Pre-tax loss recognized to reduce fair value of assets of disposal group					$ 63		$ 14		125	19
Non-cash goodwill impairment charge									62	369
Business divestiture-related gains (losses)					180		(49)		165	(52)
Aviation Systems
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Non-cash goodwill impairment charge									62	364
Communication Systems
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Non-cash goodwill impairment charge									0	0
Space and Airborne Systems
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Non-cash goodwill impairment charge									0	5
Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Goodwill assigned to disposal group	$ 26				26				26
Assets of disposal group held for sale	479				479				479
Liabilities of disposal group held for sale	243				243				243
Held-for-sale \| Electron Devices business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Goodwill assigned to disposal group	15				15				15
Assets of disposal group held for sale	309				309				309
Liabilities of disposal group held for sale	180				180				180
Held-for-sale \| Electron Devices business \| Aviation Systems
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sale price of business	185				185				185
Held-for-sale \| Aerospace disposal group
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Goodwill assigned to disposal group	11				11				11
Assets of disposal group held for sale	155				155				155
Liabilities of disposal group held for sale	$ 61				$ 61				$ 61
Held-for-sale \| Aerospace disposal group \| Aviation Systems
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of businesses classified as held-for-sale \| business	2				2				2
Held-for-sale \| VSE disposal group
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Goodwill assigned to disposal group	$ 0				$ 0		14		$ 0	14
Business divestiture-related gains (losses)							18
Assets of disposal group held for sale	15				15				15
Liabilities of disposal group held for sale	2				2				2
Held-for-sale \| VSE disposal group \| Aviation Systems
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Goodwill assigned to disposal group							14			14
Non-cash goodwill impairment charge							14				$ 14
Held-for-sale \| VSE disposal group \| Aviation Systems
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Pre-tax loss recognized to reduce fair value of assets of disposal group											32
Non-cash remeasurement loss recognized on remaining assets of disposal group											18
Assets of disposal group held for sale											35
Liabilities of disposal group held for sale											$ 13
Held-for-sale \| CPS business \| Aviation Systems
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Non-cash goodwill impairment charge						$ 62
Held-for-sale or Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business divestiture-related gains (losses)					180		(49)		165	(52)
Held-for-sale or Disposed of by Sale \| VSE disposal group
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business divestiture-related gains (losses)					(18)		(14)		(26)	(14)
Held-for-sale or Disposed of by Sale \| VSE disposal group \| Aviation Systems
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sale price of business												$ 20
Held-for-sale or Disposed of by Sale \| CPS business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business divestiture-related gains (losses)					(12)		0		(19)	0
Held-for-sale or Disposed of by Sale \| Military training business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business divestiture-related gains (losses)					212		0		212	0
Held-for-sale or Disposed of by Sale \| Airport security and automation business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business divestiture-related gains (losses)					0		$ (23)		0	$ (26)
Disposed of by Sale \| VSE disposal group \| Aviation Systems
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net cash proceeds from sale of business, after selling costs and estimated price adjustments	2
Disposed of by Sale \| CPS business \| Aviation Systems
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Goodwill assigned to disposal group						$ 174
Disposed of by Sale \| CPS business \| Aviation Systems
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sale price of business	398				398				398
Net cash proceeds from sale of business, after selling costs and estimated price adjustments	347
Accrued selling costs	6				6				6
Disposed of by Sale \| Military training business \| Aviation Systems
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sale price of business	1,050				1,050				1,050
Net cash proceeds from sale of business, after selling costs and estimated price adjustments	1,057
Accrued selling costs	$ 17				$ 17				$ 17
Disposed of by Sale \| EOTech Business \| Communication Systems
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sale price of business		$ 42
Net cash proceeds from sale of business, after selling costs and estimated price adjustments		$ 40
Disposed of by Sale \| Applied Kilovolts and Analytical Instrumentation business \| Space and Airborne Systems
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Non-cash goodwill impairment charge								$ 5
Disposed of by Sale \| Applied Kilovolts and Analytical Instrumentation business \| Space and Airborne Systems
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net cash proceeds from sale of business, after selling costs and estimated price adjustments			$ 12
Disposed of by Sale \| Airport security and automation business \| Aviation Systems
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sale price of business				$ 1,000
Net cash proceeds from sale of business, after selling costs and estimated price adjustments				$ 987