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v3.20.1

Fair Value Measurements - Changes in balances of Level 3 financial assets carried at fair value (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |
Financial assets, Beginning Balance | $ 3,841 | $ 3,521
Total realized/unrealized gains (losses) included in Net income | (43) | 4
Total realized/unrealized gains (losses) included in other comprehensive income (loss) | (48) | 39
Purchases and issuances | 202 | 508
Sales and settlements | (223) | (211)
Transfer into Level 3 | 195 | 16
Transfer out of Level 3 | (411) | (192)
Financial assets, Ending Balance | 3,513 | 3,685
Fixed maturities |  |
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |
Financial assets, Beginning Balance | 3,387 | 3,164
Total realized/unrealized gains (losses) included in Net income | (18) | 4
Total realized/unrealized gains (losses) included in other comprehensive income (loss) | (48) | 39
Purchases and issuances | 196 | 507
Sales and settlements | (223) | (211)
Transfer into Level 3 | 178 | 0
Transfer out of Level 3 | (411) | (192)
Financial assets, Ending Balance | 3,061 | 3,311
U.S. government agency |  |
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |
Financial assets, Beginning Balance | 15 | 9
Total realized/unrealized gains (losses) included in Net income | 1 | 0
Total realized/unrealized gains (losses) included in other comprehensive income (loss) | (1) | 0
Purchases and issuances | 0 | 0
Sales and settlements | 0 | (1)
Transfer into Level 3 | 0 | 0
Transfer out of Level 3 | 0 | 0
Financial assets, Ending Balance | 15 | 8
State and municipal |  |
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |
Financial assets, Beginning Balance | 105 | 59
Total realized/unrealized gains (losses) included in Net income | 0 | 0
Total realized/unrealized gains (losses) included in other comprehensive income (loss) | 1 | 5
Purchases and issuances | 0 | 0
Sales and settlements | (1) | (1)
Transfer into Level 3 | 0 | 0
Transfer out of Level 3 | 0 | 0
Financial assets, Ending Balance | 105 | 63
Residential MBS |  |
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |
Financial assets, Beginning Balance | 173 | 197
Total realized/unrealized gains (losses) included in Net income | 5 | 5
Total realized/unrealized gains (losses) included in other comprehensive income (loss) | (12) | (5)
Purchases and issuances | 0 | 0
Sales and settlements | (5) | (6)
Transfer into Level 3 | 2 | 0
Transfer out of Level 3 | 0 | (22)
Financial assets, Ending Balance | 163 | 169
Commercial MBS |  |
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |
Financial assets, Beginning Balance | 35 | 56
Total realized/unrealized gains (losses) included in Net income | 0 | 0
Total realized/unrealized gains (losses) included in other comprehensive income (loss) | 0 | 0
Purchases and issuances | 0 | 0
Sales and settlements | (3) | (1)
Transfer into Level 3 | 0 | 0
Transfer out of Level 3 | 0 | 0
Financial assets, Ending Balance | 32 | 55
Collateralized loan obligations |  |
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |
Financial assets, Beginning Balance | 15 | 116
Total realized/unrealized gains (losses) included in Net income | (7) | 0
Total realized/unrealized gains (losses) included in other comprehensive income (loss) | 2 | 0
Purchases and issuances | 0 | 0
Sales and settlements | 0 | 0
Transfer into Level 3 | 158 | 0
Transfer out of Level 3 | 0 | 0
Financial assets, Ending Balance | 168 | 116
Other asset-backed securities |  |
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |
Financial assets, Beginning Balance | 1,286 | 731
Total realized/unrealized gains (losses) included in Net income | (14) | (3)
Total realized/unrealized gains (losses) included in other comprehensive income (loss) | (11) | 8
Purchases and issuances | 77 | 75
Sales and settlements | (178) | (114)
Transfer into Level 3 | 13 | 0
Transfer out of Level 3 | (143) | (143)
Financial assets, Ending Balance | 1,030 | 554
Corporate and other |  |
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |
Financial assets, Beginning Balance | 1,758 | 1,996
Total realized/unrealized gains (losses) included in Net income | (3) | 2
Total realized/unrealized gains (losses) included in other comprehensive income (loss) | (27) | 31
Purchases and issuances | 119 | 432
Sales and settlements | (36) | (88)
Transfer into Level 3 | 5 | 0
Transfer out of Level 3 | (268) | (27)
Financial assets, Ending Balance | 1,548 | 2,346
Equity securities |  |
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |
Financial assets, Beginning Balance | 437 | 336
Total realized/unrealized gains (losses) included in Net income | (24) | 1
Total realized/unrealized gains (losses) included in other comprehensive income (loss) | 0 | 0
Purchases and issuances | 6 | 1
Sales and settlements | 0 | 0
Transfer into Level 3 | 17 | 16
Transfer out of Level 3 | 0 | 0
Financial assets, Ending Balance | 436 | 354
Assets of MIE |  |
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |
Financial assets, Beginning Balance | 17 | 21
Total realized/unrealized gains (losses) included in Net income | (1) | (1)
Total realized/unrealized gains (losses) included in other comprehensive income (loss) | 0 | 0
Purchases and issuances | 0 | 0
Sales and settlements | 0 | 0
Transfer into Level 3 | 0 | 0
Transfer out of Level 3 | 0 | 0
Financial assets, Ending Balance | $ 16 | $ 20

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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 http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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