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Variable Interest Entities - Changes in Level 3 Assets (Details) - Consolidated investment entities - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Common stocks |  |  |
Summary of changes in Level 3 assets measured at fair value on a recurring basis |  |  |
Balance, beginning | $ 0 |  |
Total gains (losses) included in Net income | 0 |  |
Purchases | 0 |  |
Sales | 0 |  |
Settlements | 0 |  |
Transfers into Level 3 | 2 |  |
Transfers out of Level 3 | (2) |  |
Balance, ending | 0 | $ 0 |
Changes in unrealized gains (losses) in net income relating to assets held at end of period | 0 |  |
Syndicated loans |  |  |
Summary of changes in Level 3 assets measured at fair value on a recurring basis |  |  |
Balance, beginning | 64 | 92 | $ 143
Total gains (losses) included in Net income | (11) | 2 | (16)
Purchases | 69 | 106 | 111
Sales | (4) | (38) | (29)
Settlements | (8) | (49) | (33)
Transfers into Level 3 | 218 | 119 | 438
Transfers out of Level 3 | (203) | (150) | (522)
Deconsolidation of consolidated investment entities |  | (18) |
Balance, ending | 125 | 64 | 92
Changes in unrealized gains (losses) in net income relating to assets held at end of period | (10) | 0 | (2)
Other assets |  |  |
Summary of changes in Level 3 assets measured at fair value on a recurring basis |  |  |
Balance, beginning | 3 | 2 | 0
Total gains (losses) included in Net income | 0 | 1 | 0
Purchases | 0 | 0 | 2
Sales | 0 | 0 | 0
Settlements | 0 | 0 | 0
Transfers into Level 3 | 1 | 2 | 0
Transfers out of Level 3 | (3) | (2) | 0
Deconsolidation of consolidated investment entities |  | 0 |
Balance, ending | 1 | 3 | 2
Changes in unrealized gains (losses) in net income relating to assets held at end of period | $ 0 | $ 1 | $ 0

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- Definition Amount of unrealized gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3) and still held. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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- Definition Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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- Definition Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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- Definition Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(3) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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