Restructuring Charges (Details Textuals) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Restructuring Charges (Textuals) [Abstract]
Restructuring charges, net of revisions	$ (23)	$ 42	$ 329
Restructuring Charges	554
Restructuring Reserve	$ 69	$ 199	$ 383
Earliest Year [Member]
Restructuring Charges (Textuals) [Abstract]
Restructuring Programs Initiation Date	Jan. 01, 2011
Latest Year [Member]
Restructuring Charges (Textuals) [Abstract]
Restructuring Programs Initiation Date	Dec. 31, 2018

Restructuring Charges.

No definition available.

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- Definition

Date the restructuring activities were initiated or are expected to be initiated, in CCYY-MM-DD format.

+ References

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-Publisher FASB
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Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost.

+ References

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-Publisher FASB
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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

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