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Schedule I - Condensed Financial Information of Registrant (Parent Company Only) (Transactions With Affiliates) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Schedule I - Condensed Financial Information of Registrant (Parent Company Only) [Abstract]
Dividends received	$ 112	$ 67	$ 81
Affiliate	$ 222	$ 199

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
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