Restructuring and Impairment Charges - Charges (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Restructuring and impairment charges
Restructuring/impairment charges	$ 370	$ 14
Asset impairment	360
Restructuring charges	10
Cost Smart Cost of Sales Program
Restructuring and impairment charges
Restructuring/impairment charges		9
Restructuring charges	3	9
Cost Smart SG&A Program
Restructuring and impairment charges
Restructuring/impairment charges		5
Restructuring charges		$ 5
South America joint venture restructuring
Restructuring and impairment charges
Restructuring charges	$ 2

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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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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Amount of restructuring charges, remediation cost, and asset impairment loss.

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