Change In Estimated Fair Value Of Equity Securities.

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- Definition

Change In Estimated Fair Value Of Other Limited Partnership Interests And Real Estate Joint Ventures.

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Changes In Estimated Fair Value Subsequent To Purchase For Equity Securities Still Held As Of The End Of The Period Included In Net Income Gains (Losses).

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No definition available.

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The net gain or loss incurred on assets and liabilities held by consolidated securitizations entities and all other gains and losses.

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The net gain (loss) resulting from sales and other disposals of other limited partnership interests.

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This item represents the subtotal of gains (losses)on the investment portfolio.

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- Definition

Amount of realized and unrealized gain (loss) on investment.

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The difference between the carrying value and the sale price of debt securities, not separately or otherwise categorized as trading, available-for-sale, or held-to-maturity. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale.

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The difference between the carrying value and the sale price of equity securities, not separately or otherwise categorized as trading or available-for-sale. This element includes investments in which the entity holds a small ownership stake (generally, less than 20% of the shares outstanding) and cannot exert significant influence.

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No definition available.

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The net realized gain (loss) on investments sold during the period, not including gains (losses) on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, which, for cash flow reporting, is a component of proceeds from investing activities.

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Amount of gain (loss) on sale or disposal of other assets.

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The net gain (loss) resulting from a sale of loans, including adjustments to record loans classified as held-for-sale at the lower-of-cost-or-market and fair value adjustments to loan held for investment purposes.

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The net gain (loss) resulting from sales and other disposals of real estate owned for investment purposes.

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The amount of other than temporary impairment (OTTI) losses on equity securities, OTTI related to credit losses on debt securities, and OTTI losses on debt securities when the entity intends to sell the securities or it is more likely than not that the entity will be required to sell the securities before recovery of its amortized cost basis. Additionally, this item includes OTTI losses recognized during the period on investments accounted for under the cost method of accounting.

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The net realized gains or losses on investments during the period, not including gains or losses on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity.

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Investments (Components of Net Investment Gains Losses) (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Jun. 30, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Marketable Securities, Gain (Loss) [Abstract]
Fixed maturity securities AFS — net gains (losses) on sales and disposals (1)		$ 396	$ 45	$ 328
Equity securities — net gains (losses) on sales and disposals		50	118	117
Change In Estimated Fair Value Of Equity Securities		84	(193)	0
Other net investment gains (losses):
Mortgage Loans		(11)	(56)	14
Real estate and real estate joint ventures		399	326	603
Other limited partnership interests		6	9	(59)
Other (3)		(142)	(169)	(113)
Subtotal - investment portfolio gains (losses)		653	40	855
Change In Estimated Fair Value Of Other Limited Partnership Interests And Real Estate Joint Ventures		(14)	12	0
Non-investment portfolio gains (losses)		(195)	(350)	(1,162)
Subtotal		(209)	(338)	(1,163)
Total net investment gains (losses)		444	(298)	(308)
Changes In Estimated Fair Value Subsequent To Purchase For Equity Securities		122	(81)
Fixed Maturity Securities
Marketable Securities, Gain (Loss) [Abstract]
Total OTTI losses recognized in earnings		(129)	(40)	(10)
Net investment gains (losses)		267	5	318
U.S. corporate and foreign corporate securities
Marketable Securities, Gain (Loss) [Abstract]
Total OTTI losses recognized in earnings		(46)	(31)	(4)
Consumer
Marketable Securities, Gain (Loss) [Abstract]
Total OTTI losses recognized in earnings		(23)	(20)	(4)
Finance
Marketable Securities, Gain (Loss) [Abstract]
Total OTTI losses recognized in earnings		(1)	(9)	0
Industrial
Marketable Securities, Gain (Loss) [Abstract]
Total OTTI losses recognized in earnings		(22)	(2)	0
Foreign government
Marketable Securities, Gain (Loss) [Abstract]
Total OTTI losses recognized in earnings		(81)	(9)	0
ABS
Marketable Securities, Gain (Loss) [Abstract]
Total OTTI losses recognized in earnings		0	0	(3)
RMBS
Marketable Securities, Gain (Loss) [Abstract]
Total OTTI losses recognized in earnings		(2)	0	0
Municipals
Marketable Securities, Gain (Loss) [Abstract]
Total OTTI losses recognized in earnings		0	0	(3)
Equity securities
Marketable Securities, Gain (Loss) [Abstract]
Total OTTI losses recognized in earnings		0	0	(25)
Net investment gains (losses)		134	(75)	92
Common Stock
Marketable Securities, Gain (Loss) [Abstract]
Total OTTI losses recognized in earnings		0	0	(24)
Non-redeemable Preferred Stock
Marketable Securities, Gain (Loss) [Abstract]
Total OTTI losses recognized in earnings		0	0	(1)
Fair Value Option, Other Eligible Items [Member]
Other net investment gains (losses):
Non-investment portfolio gains (losses)		0	0	(1)
Lease Agreements [Member]
Marketable Securities, Gain (Loss) [Abstract]
Total OTTI losses recognized in earnings		(30)	(105)	(79)
Tax credit partnerships [Member]
Marketable Securities, Gain (Loss) [Abstract]
Total OTTI losses recognized in earnings		(92)
Brighthouse Financial, Inc
Marketable Securities, Gain (Loss) [Abstract]
Fixed maturity securities AFS — net gains (losses) on sales and disposals (1)				276
Other net investment gains (losses):
Mortgage Loans				47
Non-investment portfolio gains (losses)				1,016
Total net investment gains (losses)				(1,016)
Brighthouse Financial, Inc \| FVO Common Stock
Other net investment gains (losses):
Non-investment portfolio gains (losses)	$ (327)		(327)	95
MetLife Afore
Other net investment gains (losses):
Non-investment portfolio gains (losses)				$ 98
Other limited partnership interests
Marketable Securities, Gain (Loss) [Abstract]
Total OTTI losses recognized in earnings			$ (83)
Other net investment gains (losses):
Other (3)		$ 46