Amount of gain (loss) recognized in net periodic benefit (cost) credit from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk related to obligation and assets used to effect settlement.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
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The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.

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-SubTopic 10
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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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Geographic and Segment Information - Reconciliation of Segment Adjusted EBITDA from Segments to Consolidated Net Income (Loss) Before Income Taxes (Parenthetical) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Legal charges	$ 175	$ 82	$ 9
GenX and Other Perfluorinated and Polyfluorinated Compounds [Member]
Segment Reporting Information [Line Items]
Legal charges	168	63
Edge Moor, Delaware Site [Member]
Segment Reporting Information [Line Items]
Gain on sale of asset			12
East Chicago, Indiana [Member]
Segment Reporting Information [Line Items]
Gain on sale of asset		3
Repauno New Jersey [Member] \| Land [Member]
Segment Reporting Information [Line Items]
Gain on sale of asset			$ 13
Linden, New Jersey Sites [Member]
Segment Reporting Information [Line Items]
Gain on sale of asset		$ 42
Repauno, New Jersey Sites [Member]
Segment Reporting Information [Line Items]
Gain on sale of asset	9
Netherlands Pension Plan [Member]
Segment Reporting Information [Line Items]
Settlement loss	$ 380