Number of Businesses Sold

No definition available.

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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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.

+ References

No definition available.

+ Details

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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- Definition

Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

+ References

No definition available.

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- Definition

The number of businesses acquired by the entity during the period.

+ References

No definition available.

+ Details

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

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-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585

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Acquisitions and Divestitures, Goodwill and Intangible Assets - Additional Information (Details) $ / shares in Units, $ in Millions		3 Months Ended		6 Months Ended		12 Months Ended
	Apr. 03, 2018 USD ($) $ / shares	Jun. 30, 2019 USD ($)	Jul. 01, 2018 USD ($)	Jun. 30, 2019 USD ($) business	Jul. 01, 2018 USD ($)	Dec. 31, 2018 USD ($) business
Business Acquisition [Line Items]
Amortization expense of intangibles \| $		$ 70	$ 84	$ 140	$ 104
CSRA
Business Acquisition [Line Items]
Payments to acquire businesses, gross \| $	$ 9,700
Series of Individually Immaterial Business Acquisitions
Business Acquisition [Line Items]
Payments to acquire businesses, gross \| $				$ 17		$ 400
Number of businesses acquired						5
Series of Individually Immaterial Business Acquisitions \| Aerospace
Business Acquisition [Line Items]
Number of businesses acquired				1		2
Series of Individually Immaterial Business Acquisitions \| Mission Systems
Business Acquisition [Line Items]
Number of businesses acquired				1
Series of Individually Immaterial Business Acquisitions \| Information Technology
Business Acquisition [Line Items]
Number of businesses sold				1		2
Common Stock \| CSRA
Business Acquisition [Line Items]
Percentage of interest acquired	100.00%
Cash acquisition price (in dollars per share) \| $ / shares	$ 41.25