Income Taxes - Narrative (Details) - USD ($)	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Taxes [Line Items]
Income tax expense (benefit) allocated directly to equity	$ 146,000,000	$ (101,000,000)	$ (13,000,000)
Unrecognized tax benefits that would impact effective tax rate	235,000,000
Interest (income) expense recognized related to unrecognized tax benefits	10,000,000	9,000,000	0
Accrued interest related to unrecognized tax benefits	$ 35,000,000	$ 24,000,000	$ 23,000,000
Minimum
Income Taxes [Line Items]
Statue of limitations on foreign jurisdictions for tax audits	3 years
Maximum
Income Taxes [Line Items]
Statue of limitations on foreign jurisdictions for tax audits	6 years

Statue Of Limitations Of Certain Foreign Entities

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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.

+ References

No definition available.

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The sum of the tax effects of all items occurring during the period that have been charged or credited directly to other comprehensive income or to related components of shareholders' equity.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32672-109319

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Amount of interest expense accrued for an underpayment of income taxes.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32718-109319

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Amount of interest expense for an underpayment of income taxes.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
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