Capital Stock - Schedule of Dividends Declared (Details) - USD ($) $ / shares in Units, $ in Millions			12 Months Ended
Mar. 26, 2020	Feb. 13, 2020	Dec. 31, 2020
Equity [Abstract]
Dividends declared per common share (in dollars per share)		$ 0.34	$ 0.34
Dividend paid (in dollars per share)	$ 0.34
Total Amount (in millions)	$ 48

Aggregate dividends paid during the period for each share of common stock outstanding.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

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- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

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- References

No definition available.

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- Definition

Cash outflow in the form of ordinary dividends to common shareholders, preferred shareholders and noncontrolling interests, generally out of earnings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3291-108585

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