Impairment - Schedule of Impairment (Details) - Energy Solutions - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Restructuring [Line Items]
Energy Solutions' equity method investment	$ 0	$ 26
Goodwill	0	13
Fair value adjustment of Stork and AMECO assets	63	(8)
Total impairment	(63)	$ 47
Stork and AMECO
Restructuring [Line Items]
Fair value adjustment of Stork and AMECO assets	$ 63

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 addition (reduction) to the amount at which an asset could be incurred (settled) in a current transaction between willing parties.

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This item represents an other than temporary decline in value that has been recognized against an investment accounted for under the equity method of accounting. The excess of the carrying amount over the fair value of the investment represents the amount of the write down which is or was reflected in earnings. The written down value is a new cost basis with the adjusted value of the investment becoming its new carrying value subject to the equity accounting method. Evidence of a loss in value might include, but would not necessarily be limited to, absence of an ability to recover the carrying amount of the investment or inability of the investee to sustain an earnings capacity which would justify the carrying amount of the investment.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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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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