Related Party Transactions Related Party Transaction (Shared Service and Overhead Allocations - Narrative) (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Insurance Commissions and Fees	$ 697	$ 735	$ 1,398	$ 1,465
Related Party Transaction, Selling, General and Administrative Expenses from Transactions with Related Party	261	283	517	572
Related Party Transaction, Amounts of Transaction	20	0	42	0
Affiliated Entity
Insurance Commissions and Fees	50	$ 55	103	$ 109
All Services and Transactions Except Broker Dealer Activities [Member]
Due from (to) Related Parties	$ (23)		$ (23)		$ (43)

Income from agency and brokerage operations (includes sales of annuities and supplemental contracts); service charges, commissions, and fees from the sale of insurance and related services; and management fees from separate accounts, deferred annuities, and universal life products.

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Amount of transactions with related party during the financial reporting period.

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-Publisher FASB
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Receivables to be collected from (obligations owed to) related parties, net as of the balance sheet date where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth.

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-Publisher FASB
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Amount of selling, general and administrative expenses resulting from transactions, excluding transactions that are eliminated in consolidated or combined financial statements, with related party.

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