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Income (loss) from discontinued operations, net of tax, before loss on disposal of discontinued operations

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Tax charges associated with the Separation

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Amount after tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

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Amount before tax of income (loss) from a discontinued operation. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.

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Amount of operating expense attributable to disposal group, including, but not limited to, discontinued operation.

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Amount of other expense attributable to disposal group, including, but not limited to, discontinued operation.

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Amount of revenue attributable to disposal group, including, but not limited to, discontinued operation.

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Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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Separation of Brighthouse (Income Statement) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income (loss) from discontinued operations, net of income tax	$ 0	$ (968)	$ 0	$ (986)
Brighthouse Financial, Inc
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Other Income		27		150
Disposal Group, Including Discontinued Operation, Revenue		536		3,843
Disposal Group, Including Discontinued Operation, Other Expense		108		853
Disposal Group, Including Discontinued Operation, Operating Expenses		534		3,706
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax		2		137
Discontinued Operation, Tax Effect of Discontinued Operation		(10)		(48)
Income (loss) from discontinued operations before loss on disposal of discontinued operations, net of income tax		12		185
Transaction costs associated with the Separation, net of income tax		(25)		(216)
Tax charges associated with the Separation		(955)		(955)
Income (loss) on disposal of discontinued operations, net of income tax		(980)		(1,171)
Income (loss) from discontinued operations, net of income tax		(968)		(986)
Brighthouse Financial, Inc \| Premiums
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Revenue		116		820
Brighthouse Financial, Inc \| Universal life and investment-type product policy fees
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Revenue		320		2,201
Brighthouse Financial, Inc \| Net investment income
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Revenue		243		1,783
Brighthouse Financial, Inc \| Gain (Loss) on Investments
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Revenue		1		(50)
Brighthouse Financial, Inc \| Gain (Loss) on Derivative Instruments
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Revenue		(171)		(1,061)
Brighthouse Financial, Inc \| Policyholder benefits and claims
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Operating Expenses		335		2,217
Brighthouse Financial, Inc \| Interest credited to policyholder account balances
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Operating Expenses		89		620
Brighthouse Financial, Inc \| Policyholder dividend expense
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Operating Expenses		$ 2		$ 16