Asset Impairment and Exit Costs (Movement in Exit Cost Liabilities) (Details) $ in Millions	9 Months Ended
Sep. 30, 2020 USD ($)
Movement in exit cost liabilities
Liability balance, January 1, 2020	$ 191
Charges, net	64
Cash spent	(115)
Currency/other	4
Liability balance, September 30,2020	$ 144

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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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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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of increase (decrease) in the restructuring reserve related to foreign currency translation (gain) loss and other increases (decreases).

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