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Separate Account Assets Fair Value (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Fair Value, Separate Account Investment [Line Items]
Separate account assets	$ 144,634	$ 146,038
Other invested assets
Fair Value, Separate Account Investment [Line Items]
Separate account assets	6,265	6,006
Separate Account, Debt Security | Commodities Investment
Fair Value, Separate Account Investment [Line Items]
Separate account assets	144	242
Separate Account, Debt Security | Communications
Fair Value, Separate Account Investment [Line Items]
Separate account assets	904	1,193
Separate Account, Debt Security | Consumer Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	1,929	2,400
Separate Account, Debt Security | Energy Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	1,018	970
Separate Account, Debt Security | Financial Services Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	9,687	11,914
Separate Account, Debt Security | Commercial and Industrial Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	4,403	4,706
Separate Account, Debt Security | Foreign Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	5,055	6,524
Separate Account, Debt Security | Technology Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	550	720
Separate Account, Debt Security | Foreign government
Fair Value, Separate Account Investment [Line Items]
Separate account assets	5,388	4,216
Separate Account, Debt Security | U.S. government and agency
Fair Value, Separate Account Investment [Line Items]
Separate account assets	19,611	20,181
Separate Account, Debt Security | US States and Political Subdivisions Debt Securities [Member]
Fair Value, Separate Account Investment [Line Items]
Separate account assets	424	549
Separate Account, Debt Security | Corporate Bond Securities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	23,690	28,669
Separate Account, Debt Security | Bonds
Fair Value, Separate Account Investment [Line Items]
Separate account assets	50,502	55,083
Separate Account, Debt Security | Separate Account, Mortgage-Backed Security
Fair Value, Separate Account Investment [Line Items]
Separate account assets	9,706	12,360
Separate Account, Debt Security | Asset-Backed Securities, Securitized Loans and Receivables
Fair Value, Separate Account Investment [Line Items]
Separate account assets	2,586	2,968
Separate Account, Debt Security | Redeemable Preferred Stock
Fair Value, Separate Account Investment [Line Items]
Separate account assets	9	4
Separate Account, Debt Security | Total fixed maturity securities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	62,803	70,415
Separate Account, Debt Security | Public Utilities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	1,389	1,468
Separate Account, Equity Security
Fair Value, Separate Account Investment [Line Items]
Separate account assets	68,439	62,805
Separate Account, Equity Security | Non-redeemable Preferred Stock
Fair Value, Separate Account Investment [Line Items]
Separate account assets	115	2
Separate Account, Equity Security | Financial Services Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	1,733	1,404
Separate Account, Equity Security | Commercial and Industrial Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	8,202	7,815
Separate Account, Equity Security | Public Utilities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	158	168
Separate Account, Equity Security | Mutual Fund
Fair Value, Separate Account Investment [Line Items]
Separate account assets	58,231	53,416
Investments
Fair Value, Separate Account Investment [Line Items]
Separate account assets	137,507	139,226
Other Assets
Fair Value, Separate Account Investment [Line Items]
Separate account assets	7,127	6,812
Group Benefits
Fair Value, Separate Account Investment [Line Items]
Separate account assets	1,159	990
Group Benefits | Other invested assets
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	2
Group Benefits | Separate Account, Debt Security | Commodities Investment
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Debt Security | Communications
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Debt Security | Consumer Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Debt Security | Energy Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Debt Security | Financial Services Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Debt Security | Commercial and Industrial Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Debt Security | Foreign Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Debt Security | Technology Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Debt Security | Foreign government
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Debt Security | U.S. government and agency
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Debt Security | US States and Political Subdivisions Debt Securities [Member]
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Debt Security | Corporate Bond Securities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Debt Security | Bonds
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Debt Security | Separate Account, Mortgage-Backed Security
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Debt Security | Asset-Backed Securities, Securitized Loans and Receivables
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Debt Security | Redeemable Preferred Stock
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Debt Security | Total fixed maturity securities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Debt Security | Public Utilities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Equity Security
Fair Value, Separate Account Investment [Line Items]
Separate account assets	1,159	988
Group Benefits | Separate Account, Equity Security | Non-redeemable Preferred Stock
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Equity Security | Financial Services Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Equity Security | Commercial and Industrial Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Equity Security | Public Utilities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Equity Security | Mutual Fund
Fair Value, Separate Account Investment [Line Items]
Separate account assets	1,159	988
Group Benefits | Investments
Fair Value, Separate Account Investment [Line Items]
Separate account assets	1,159	990
Group Benefits | Other Assets
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Retirement and Income Solutions
Fair Value, Separate Account Investment [Line Items]
Separate account assets	53,093	60,040
Retirement and Income Solutions | Other invested assets
Fair Value, Separate Account Investment [Line Items]
Separate account assets	1,620	1,863
Retirement and Income Solutions | Separate Account, Debt Security | Commodities Investment
Fair Value, Separate Account Investment [Line Items]
Separate account assets	144	242
Retirement and Income Solutions | Separate Account, Debt Security | Communications
Fair Value, Separate Account Investment [Line Items]
Separate account assets	893	1,182
Retirement and Income Solutions | Separate Account, Debt Security | Consumer Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	1,882	2,393
Retirement and Income Solutions | Separate Account, Debt Security | Energy Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	911	866
Retirement and Income Solutions | Separate Account, Debt Security | Financial Services Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	2,717	3,538
Retirement and Income Solutions | Separate Account, Debt Security | Commercial and Industrial Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	764	882
Retirement and Income Solutions | Separate Account, Debt Security | Foreign Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	1,920	2,473
Retirement and Income Solutions | Separate Account, Debt Security | Technology Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	547	717
Retirement and Income Solutions | Separate Account, Debt Security | Foreign government
Fair Value, Separate Account Investment [Line Items]
Separate account assets	509	588
Retirement and Income Solutions | Separate Account, Debt Security | U.S. government and agency
Fair Value, Separate Account Investment [Line Items]
Separate account assets	9,673	11,340
Retirement and Income Solutions | Separate Account, Debt Security | US States and Political Subdivisions Debt Securities [Member]
Fair Value, Separate Account Investment [Line Items]
Separate account assets	380	504
Retirement and Income Solutions | Separate Account, Debt Security | Corporate Bond Securities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	9,778	12,293
Retirement and Income Solutions | Separate Account, Debt Security | Bonds
Fair Value, Separate Account Investment [Line Items]
Separate account assets	21,417	25,908
Retirement and Income Solutions | Separate Account, Debt Security | Separate Account, Mortgage-Backed Security
Fair Value, Separate Account Investment [Line Items]
Separate account assets	9,671	12,328
Retirement and Income Solutions | Separate Account, Debt Security | Asset-Backed Securities, Securitized Loans and Receivables
Fair Value, Separate Account Investment [Line Items]
Separate account assets	2,557	2,926
Retirement and Income Solutions | Separate Account, Debt Security | Redeemable Preferred Stock
Fair Value, Separate Account Investment [Line Items]
Separate account assets	9	4
Retirement and Income Solutions | Separate Account, Debt Security | Total fixed maturity securities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	33,654	41,166
Retirement and Income Solutions | Separate Account, Debt Security | Public Utilities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	1,077	1,183
Retirement and Income Solutions | Separate Account, Equity Security
Fair Value, Separate Account Investment [Line Items]
Separate account assets	11,726	10,866
Retirement and Income Solutions | Separate Account, Equity Security | Non-redeemable Preferred Stock
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	2
Retirement and Income Solutions | Separate Account, Equity Security | Financial Services Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	731	599
Retirement and Income Solutions | Separate Account, Equity Security | Commercial and Industrial Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	2,411	2,910
Retirement and Income Solutions | Separate Account, Equity Security | Public Utilities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	67	96
Retirement and Income Solutions | Separate Account, Equity Security | Mutual Fund
Fair Value, Separate Account Investment [Line Items]
Separate account assets	8,517	7,259
Retirement and Income Solutions | Investments
Fair Value, Separate Account Investment [Line Items]
Separate account assets	47,000	53,895
Retirement and Income Solutions | Other Assets
Fair Value, Separate Account Investment [Line Items]
Separate account assets	6,093	6,145
Asia
Fair Value, Separate Account Investment [Line Items]
Separate account assets	9,187	8,292
Asia | Other invested assets
Fair Value, Separate Account Investment [Line Items]
Separate account assets	403	411
Asia | Separate Account, Debt Security | Commodities Investment
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Asia | Separate Account, Debt Security | Communications
Fair Value, Separate Account Investment [Line Items]
Separate account assets	8	8
Asia | Separate Account, Debt Security | Consumer Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	39	0
Asia | Separate Account, Debt Security | Energy Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	105	103
Asia | Separate Account, Debt Security | Financial Services Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	551	527
Asia | Separate Account, Debt Security | Commercial and Industrial Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	38	186
Asia | Separate Account, Debt Security | Foreign Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Asia | Separate Account, Debt Security | Technology Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Asia | Separate Account, Debt Security | Foreign government
Fair Value, Separate Account Investment [Line Items]
Separate account assets	1,190	1,047
Asia | Separate Account, Debt Security | U.S. government and agency
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Asia | Separate Account, Debt Security | US States and Political Subdivisions Debt Securities [Member]
Fair Value, Separate Account Investment [Line Items]
Separate account assets	31	33
Asia | Separate Account, Debt Security | Corporate Bond Securities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	741	824
Asia | Separate Account, Debt Security | Bonds
Fair Value, Separate Account Investment [Line Items]
Separate account assets	2,270	2,185
Asia | Separate Account, Debt Security | Separate Account, Mortgage-Backed Security
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Asia | Separate Account, Debt Security | Asset-Backed Securities, Securitized Loans and Receivables
Fair Value, Separate Account Investment [Line Items]
Separate account assets	18	28
Asia | Separate Account, Debt Security | Redeemable Preferred Stock
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Asia | Separate Account, Debt Security | Total fixed maturity securities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	2,288	2,213
Asia | Separate Account, Debt Security | Public Utilities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	308	281
Asia | Separate Account, Equity Security
Fair Value, Separate Account Investment [Line Items]
Separate account assets	5,993	5,234
Asia | Separate Account, Equity Security | Non-redeemable Preferred Stock
Fair Value, Separate Account Investment [Line Items]
Separate account assets	115	0
Asia | Separate Account, Equity Security | Financial Services Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	269	270
Asia | Separate Account, Equity Security | Commercial and Industrial Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	2,661	2,330
Asia | Separate Account, Equity Security | Public Utilities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	19	27
Asia | Separate Account, Equity Security | Mutual Fund
Fair Value, Separate Account Investment [Line Items]
Separate account assets	2,929	2,607
Asia | Investments
Fair Value, Separate Account Investment [Line Items]
Separate account assets	8,684	7,858
Asia | Other Assets
Fair Value, Separate Account Investment [Line Items]
Separate account assets	503	434
Latin America
Fair Value, Separate Account Investment [Line Items]
Separate account assets	41,320	39,428
Latin America | Other invested assets
Fair Value, Separate Account Investment [Line Items]
Separate account assets	4,212	3,687
Latin America | Separate Account, Debt Security | Commodities Investment
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Latin America | Separate Account, Debt Security | Communications
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Latin America | Separate Account, Debt Security | Consumer Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Latin America | Separate Account, Debt Security | Energy Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Latin America | Separate Account, Debt Security | Financial Services Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	6,006	7,389
Latin America | Separate Account, Debt Security | Commercial and Industrial Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	3,598	3,635
Latin America | Separate Account, Debt Security | Foreign Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	3,095	4,018
Latin America | Separate Account, Debt Security | Technology Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Latin America | Separate Account, Debt Security | Foreign government
Fair Value, Separate Account Investment [Line Items]
Separate account assets	1,051	593
Latin America | Separate Account, Debt Security | U.S. government and agency
Fair Value, Separate Account Investment [Line Items]
Separate account assets	9,920	8,828
Latin America | Separate Account, Debt Security | US States and Political Subdivisions Debt Securities [Member]
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Latin America | Separate Account, Debt Security | Corporate Bond Securities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	12,699	15,042
Latin America | Separate Account, Debt Security | Bonds
Fair Value, Separate Account Investment [Line Items]
Separate account assets	23,670	24,463
Latin America | Separate Account, Debt Security | Separate Account, Mortgage-Backed Security
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Latin America | Separate Account, Debt Security | Asset-Backed Securities, Securitized Loans and Receivables
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Latin America | Separate Account, Debt Security | Redeemable Preferred Stock
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Latin America | Separate Account, Debt Security | Total fixed maturity securities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	23,670	24,463
Latin America | Separate Account, Debt Security | Public Utilities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Latin America | Separate Account, Equity Security
Fair Value, Separate Account Investment [Line Items]
Separate account assets	12,944	11,086
Latin America | Separate Account, Equity Security | Non-redeemable Preferred Stock
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Latin America | Separate Account, Equity Security | Financial Services Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	392	347
Latin America | Separate Account, Equity Security | Commercial and Industrial Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	2,453	2,100
Latin America | Separate Account, Equity Security | Public Utilities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Latin America | Separate Account, Equity Security | Mutual Fund
Fair Value, Separate Account Investment [Line Items]
Separate account assets	10,099	8,639
Latin America | Investments
Fair Value, Separate Account Investment [Line Items]
Separate account assets	40,826	39,236
Latin America | Other Assets
Fair Value, Separate Account Investment [Line Items]
Separate account assets	494	192
EMEA
Fair Value, Separate Account Investment [Line Items]
Separate account assets	4,327	3,314
EMEA | Other invested assets
Fair Value, Separate Account Investment [Line Items]
Separate account assets	30	43
EMEA | Separate Account, Debt Security | Commodities Investment
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
EMEA | Separate Account, Debt Security | Communications
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
EMEA | Separate Account, Debt Security | Consumer Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
EMEA | Separate Account, Debt Security | Energy Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
EMEA | Separate Account, Debt Security | Financial Services Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	398	444
EMEA | Separate Account, Debt Security | Commercial and Industrial Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
EMEA | Separate Account, Debt Security | Foreign Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	27	21
EMEA | Separate Account, Debt Security | Technology Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
EMEA | Separate Account, Debt Security | Foreign government
Fair Value, Separate Account Investment [Line Items]
Separate account assets	2,638	1,988
EMEA | Separate Account, Debt Security | U.S. government and agency
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
EMEA | Separate Account, Debt Security | US States and Political Subdivisions Debt Securities [Member]
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
EMEA | Separate Account, Debt Security | Corporate Bond Securities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	425	465
EMEA | Separate Account, Debt Security | Bonds
Fair Value, Separate Account Investment [Line Items]
Separate account assets	3,063	2,453
EMEA | Separate Account, Debt Security | Separate Account, Mortgage-Backed Security
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
EMEA | Separate Account, Debt Security | Asset-Backed Securities, Securitized Loans and Receivables
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
EMEA | Separate Account, Debt Security | Redeemable Preferred Stock
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
EMEA | Separate Account, Debt Security | Total fixed maturity securities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	3,063	2,453
EMEA | Separate Account, Debt Security | Public Utilities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
EMEA | Separate Account, Equity Security
Fair Value, Separate Account Investment [Line Items]
Separate account assets	1,199	783
EMEA | Separate Account, Equity Security | Non-redeemable Preferred Stock
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
EMEA | Separate Account, Equity Security | Financial Services Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	341	188
EMEA | Separate Account, Equity Security | Commercial and Industrial Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	677	475
EMEA | Separate Account, Equity Security | Public Utilities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	72	45
EMEA | Separate Account, Equity Security | Mutual Fund
Fair Value, Separate Account Investment [Line Items]
Separate account assets	109	75
EMEA | Investments
Fair Value, Separate Account Investment [Line Items]
Separate account assets	4,292	3,279
EMEA | Other Assets
Fair Value, Separate Account Investment [Line Items]
Separate account assets	35	35
MetLife Holdings
Fair Value, Separate Account Investment [Line Items]
Separate account assets	35,548	33,974
MetLife Holdings | Other invested assets
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
MetLife Holdings | Separate Account, Debt Security | Commodities Investment
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
MetLife Holdings | Separate Account, Debt Security | Communications
Fair Value, Separate Account Investment [Line Items]
Separate account assets	3	3
MetLife Holdings | Separate Account, Debt Security | Consumer Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	8	7
MetLife Holdings | Separate Account, Debt Security | Energy Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	2	1
MetLife Holdings | Separate Account, Debt Security | Financial Services Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	15	16
MetLife Holdings | Separate Account, Debt Security | Commercial and Industrial Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	3	3
MetLife Holdings | Separate Account, Debt Security | Foreign Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	13	12
MetLife Holdings | Separate Account, Debt Security | Technology Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	3	3
MetLife Holdings | Separate Account, Debt Security | Foreign government
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
MetLife Holdings | Separate Account, Debt Security | U.S. government and agency
Fair Value, Separate Account Investment [Line Items]
Separate account assets	18	13
MetLife Holdings | Separate Account, Debt Security | US States and Political Subdivisions Debt Securities [Member]
Fair Value, Separate Account Investment [Line Items]
Separate account assets	13	12
MetLife Holdings | Separate Account, Debt Security | Corporate Bond Securities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	47	45
MetLife Holdings | Separate Account, Debt Security | Bonds
Fair Value, Separate Account Investment [Line Items]
Separate account assets	82	74
MetLife Holdings | Separate Account, Debt Security | Separate Account, Mortgage-Backed Security
Fair Value, Separate Account Investment [Line Items]
Separate account assets	35	32
MetLife Holdings | Separate Account, Debt Security | Asset-Backed Securities, Securitized Loans and Receivables
Fair Value, Separate Account Investment [Line Items]
Separate account assets	11	14
MetLife Holdings | Separate Account, Debt Security | Redeemable Preferred Stock
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
MetLife Holdings | Separate Account, Debt Security | Total fixed maturity securities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	128	120
MetLife Holdings | Separate Account, Debt Security | Public Utilities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	4	4
MetLife Holdings | Separate Account, Equity Security
Fair Value, Separate Account Investment [Line Items]
Separate account assets	35,418	33,848
MetLife Holdings | Separate Account, Equity Security | Non-redeemable Preferred Stock
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
MetLife Holdings | Separate Account, Equity Security | Financial Services Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
MetLife Holdings | Separate Account, Equity Security | Commercial and Industrial Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
MetLife Holdings | Separate Account, Equity Security | Public Utilities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
MetLife Holdings | Separate Account, Equity Security | Mutual Fund
Fair Value, Separate Account Investment [Line Items]
Separate account assets	35,418	33,848
MetLife Holdings | Investments
Fair Value, Separate Account Investment [Line Items]
Separate account assets	35,546	33,968
MetLife Holdings | Other Assets
Fair Value, Separate Account Investment [Line Items]
Separate account assets	$ 2	$ 6

X

- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 944
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 15
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479808/944-20-55-15

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 944
-SubTopic 80
-Name Accounting Standards Codification
-Section 55
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480078/944-80-55-17

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 80
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480109/944-80-50-1

+ Details

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