Business Combinations Rockwell Collins Consideration Transferred (Details) - Rockwell Collins [Member] - USD ($) $ in Millions		12 Months Ended
Nov. 26, 2018	Dec. 31, 2018
Business Acquisition [Line Items]
Payments to Acquire Businesses, Gross	$ 15,500	$ 15,533
Stock Issued During Period, Value, Acquisitions		7,960
Business Combination, Consideration Transferred		$ 23,493

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No definition available.

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

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Value of stock issued pursuant to acquisitions during the period.

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