Other Operating Credits and Charges, Net (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Gain Contingencies [Line Items]
Reorganization charges	$ (5)	$ (12)	$ (10)
Reorganization Value, Net Realizable Value of Asset Dispositions	(8)	0	0
Insurance and environmental recoveries	3	9	8
Adjustment to product related warranty reserves	0	4	8
Other Income	3	(2)	(4)
Other operating credits and charges, net	$ (4)	$ (1)	$ 2

Gain loss on settlement, environmental

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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.

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Amount of revenue and income classified as other.

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The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations.

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Amount of increase (decrease) in the standard and extended product warranty liability.

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Amount of reorganization value related to estimated net realizable value of asset dispositions. Reorganization value is the amount attributed to the reconstituted entity, as well as the expected net realizable value of those assets that will be disposed before reconstitution occurs.

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Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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