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Deferred Policy Acquisition Costs, Value of Business Acquired and Other Policy-Related Intangibles - Unearned Revenue (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Unearned Revenue [Roll Forward] |  |  |
Deferred Revenue, Current, Beginning Balance | $ 4,106 | $ 3,625 | $ 3,163
Deferrals | 959 | 856 | 884
Amortization | (385) | (343) | (323)
Effect of foreign currency translation and other - net | (143) | (32) | (99)
Deferred Revenue, Current, Ending Balance | 4,537 | 4,106 | 3,625
Retirement and Income Solutions |  |  |
Unearned Revenue [Roll Forward] |  |  |
Deferred Revenue, Current, Beginning Balance | 36 | 38 | 42
Deferrals | 2 | 5 | 3
Amortization | (7) | (7) | (7)
Effect of foreign currency translation and other - net | 0 | 0 | 0
Deferred Revenue, Current, Ending Balance | 31 | 36 | 38
Asia |  |  |
Unearned Revenue [Roll Forward] |  |  |
Deferred Revenue, Current, Beginning Balance | 2,382 | 2,033 | 1,616
Deferrals | 667 | 546 | 610
Amortization | (181) | (144) | (147)
Effect of foreign currency translation and other - net | (18) | (53) | (46)
Deferred Revenue, Current, Ending Balance | 2,850 | 2,382 | 2,033
Latin America |  |  |
Unearned Revenue [Roll Forward] |  |  |
Deferred Revenue, Current, Beginning Balance | 848 | 795 | 835
Deferrals | 147 | 134 | 110
Amortization | (116) | (116) | (96)
Effect of foreign currency translation and other - net | 110 | 35 | (54)
Deferred Revenue, Current, Ending Balance | 989 | 848 | 795
EMEA |  |  |
Unearned Revenue [Roll Forward] |  |  |
Deferred Revenue, Current, Beginning Balance | 559 | 521 | 482
Deferrals | 95 | 111 | 97
Amortization | (63) | (59) | (59)
Effect of foreign currency translation and other - net | 17 | (14) | 1
Deferred Revenue, Current, Ending Balance | 608 | 559 | 521
MetLife Holdings |  |  |
Unearned Revenue [Roll Forward] |  |  |
Deferred Revenue, Current, Beginning Balance | 281 | 238 | 188
Deferrals | 48 | 60 | 64
Amortization | (18) | (17) | (14)
Effect of foreign currency translation and other - net | (252) | 0 | 0
Deferred Revenue, Current, Ending Balance | $ 59 | $ 281 | $ 238

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- Definition Amount of deferred income excluding obligation to transfer product and service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479432/944-30-50-2B Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 65 -Paragraph 2 -Subparagraph (g)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480016/944-40-65-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Section 25 -Paragraph 2 -SubTopic 10 -Topic 470 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481174/470-10-25-2 + Details
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