Schedule II-Condensed Financial Information Of Registrant (Narrative) (Details) - Parent Company [Member] - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash dividends received from subsidiaries	$ 3,134	$ 3,618	$ 3,790
Cash dividends paid to subsidiaries	54	46	38
Capital contribution to subsidiaries	3,271	2,460	$ 232
Amounts due from subsidiaries	446	0
Net due to subsidiaries	0	$ 1,239
Notes Receivable, Related Parties, Current	1,500
Parental Guarantees	$ 530

Capital contribution to subsidiaries

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This element represents disclosure of the total aggregate cash dividends paid to the entity by consolidated subsidiaries, by unconsolidated subsidiaries, and by 50% or less owned persons accounted for using the equity method.

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Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

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Amount of receivables due from an entity that is affiliated with the reporting entity by means of direct or indirect ownership, due within 1 year (or 1 business cycle).

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Amount of payable due to an entity that is affiliated with the reporting entity by means of direct or indirect ownership. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

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Amounts due from parties associated with the reporting entity as evidenced by a written promise to pay, due within 1 year (or 1 business cycle).

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