XML 135 R113.htm IDEA: XBRL DOCUMENT
v3.22.4

Investments (Net Investment Income on Leveraged and Direct Financing Leases) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Investments, All Other Investments [Abstract] |  |  |
Leveraged Leases, Income Statement, Income from Leveraged Leases | $ 35 | $ 34 | $ 39
Leveraged Leases, Income Statement, Income Tax Expense on Leveraged Leases | (7) | (7) | (8)
Leveraged Leases, Income (Loss) | $ 28 | $ 27 | $ 31
Direct Financing Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration] | Total revenues | Total revenues | Total revenues
Direct Financing Leases Income Statement Tax Expense on Direct Financing Leases | $ (27) | $ (20) | $ (22)
Direct Financing Leases Income Statement Net Income from Direct Financing Leases | $ 102 | $ 76 | $ 84

X
- Definition Direct Financing Leases investment income after tax expense + References No definition available. + Details
Name: | met_DirectFinancingLeasesIncomeStatementNetIncomefromDirectFinancingLeases
Namespace Prefix: | met_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Tax Expense on Direct Financing Leases + References No definition available. + Details
Name: | met_DirectFinancingLeasesIncomeStatementTaxExpenseonDirectFinancingLeases
Namespace Prefix: | met_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Indicates line item in statement of comprehensive income that includes direct financing lease income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 45 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=123420820&loc=SL77919311-209978 + Details
Name: | us-gaap_DirectFinancingLeaseIncomeComprehensiveIncomeExtensibleList
Namespace Prefix: | us-gaap_
Data Type: | enum2:enumerationSetItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_InvestmentsAllOtherInvestmentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Pretax lease income allocated in proportionate amounts from unearned income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 50 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=123416469&loc=SL77920237-209979 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 45 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=123394354&loc=d3e45152-112736 + Details
Name: | us-gaap_LeveragedLeasesIncomeStatementIncomeFromLeveragedLeases
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The tax effect from the current year income from arrangements meeting the criteria for classification as a leveraged lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 50 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=123416469&loc=SL77920237-209979 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 45 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=123394354&loc=d3e45152-112736 + Details
Name: | us-gaap_LeveragedLeasesIncomeStatementIncomeTaxExpenseOnLeveragedLeases
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The total recognized during the period for income on leases meeting the criteria for classification as leveraged leases. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 45 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=123394354&loc=d3e45152-112736 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 50 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=123416469&loc=SL77920237-209979 + Details
Name: | us-gaap_LeveragedLeasesIncomeStatementNetIncomeFromLeveragedLeases
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration