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Stock-Based Compensation - Compensation Expense (Details) - Executives - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
SGI Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
SGI awards	$ 92	$ 73
SGI Awards | Corporate general and administrative expense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based liabilities paid	54	67	$ 25
Performance-based awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
SGI awards	15	8
Performance-based awards | Corporate general and administrative expense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based liabilities paid	$ 14	$ 1	$ 3

X

- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- Definition

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+ References

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