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Acquisitions - Narrative (Details) - F&G - USD ($) $ in Millions		3 Months Ended	6 Months Ended
	Jun. 01, 2020	Jun. 30, 2021	Jun. 30, 2021
Business Acquisition [Line Items]
Percentage of outstanding equity acquired	100.00%
Consideration transferred	$ 2,700
Goodwill expected to be tax deductible	$ 16
Increase in intangibles		$ 61	$ 61
Decrease in reinsurance recoverable		289	289
Decrease in future policy benefits		227	227
Increase in goodwill		$ 5	$ 5

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- Definition

Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Future Policy Benefits

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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.

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to intangibles acquired in connection with a business combination for which the initial accounting was incomplete.

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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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