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Impairment - Schedule of Impairment (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Restructuring [Line Items]
Fair value adjustment of Stork and AMECO assets	$ (63)
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]		Restructuring Charges	Restructuring Charges	Restructuring Charges
Energy Solutions
Restructuring [Line Items]
Energy Solutions' equity method investments		$ 0	$ 28	$ 86
Total impairment		(24)	290	372
Energy Solutions | Stork and AMECO
Restructuring [Line Items]
Fair value adjustment of Stork and AMECO assets		(63)	233	74
Energy Solutions | Other Reporting Unit
Restructuring [Line Items]
Impairment of assets		40	13	169
Energy Solutions | Customer relationships | Stork
Restructuring [Line Items]
Impairment of assets		0	0	27
Energy Solutions | Technology-Based Intangible Assets
Restructuring [Line Items]
Impairment of assets		$ 0	$ 16	$ 16

X

- Definition

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

+ References

No definition available.

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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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 35
-Paragraph 32
-URI https://asc.fasb.org/extlink&oid=126903467&loc=d3e32787-111569

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- Definition

Indicates line item in statement of income or comprehensive income that includes impairment of finite-lived intangible asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275

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- Definition

The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585

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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, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan and expenses resulting from the write-down of assets. Excludes expenses related to a business combination, a discontinued operation or an asset retirement obligation.

+ References

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