Property, Plant, and Equipment - Assets Held for Sale - Additional Information (Details) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Long Lived Assets Held-for-Sale [Line Items]
Assets held for sale	$ 229	$ 0
Liabilities held for sale	138	$ 0
Denmark
Long Lived Assets Held-for-Sale [Line Items]
Assets held for sale	229
Liabilities held for sale	138
Disposed of by Sale \| Denmark
Long Lived Assets Held-for-Sale [Line Items]
Expected proceeds from divestiture of businesses and interest in affiliates	$ 150

Expected Proceeds From Divestiture Of Businesses And Interests In Affiliates

No definition available.

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- Definition

Liabilities held for sale not part of disposal group, current

+ References

No definition available.

+ Details

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- Definition

Amount of assets held-for-sale that are not part of a disposal group, expected to be sold within a year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 15
-Paragraph 4
-Subparagraph (b)(2)
-URI http://asc.fasb.org/extlink&oid=121558832&loc=d3e400-110220

+ Details

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- Definition

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.

+ References

No definition available.

+ Details

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- Details

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