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v3.19.3.a.u2

Fair Value Measurements - Changes in balances of Level 3 financial assets carried at fair value (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |  |  |
Financial assets, Beginning Balance | $ 2,290 | $ 3,521 | $ 2,290 | $ 1,762
Total realized/unrealized gains (losses) included in Net earnings |  | (10) | (21) | (39)
Total realized/unrealized gains (losses) included in other comprehensive income (loss) |  | 75 | (39) | 17
Purchases and issuances |  | 1,578 | 1,828 | 1,079
Sales and settlements |  | (565) | (482) | (437)
Transfer into Level 3 |  | 244 | 270 | 289
Transfer out of Level 3 |  | (1,002) | (325) | (381)
Financial assets, Ending Balance |  | 3,841 | 3,521 | 2,290
Fixed maturities |  |  |  |
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |  |  |
Financial assets, Beginning Balance | 2,102 | 3,164 | 2,102 | 1,559
Total realized/unrealized gains (losses) included in Net earnings |  | 0 | (22) | (7)
Total realized/unrealized gains (losses) included in other comprehensive income (loss) |  | 75 | (39) | 7
Purchases and issuances |  | 1,525 | 1,667 | 1,032
Sales and settlements |  | (563) | (476) | (421)
Transfer into Level 3 |  | 188 | 240 | 289
Transfer out of Level 3 |  | (1,002) | (308) | (357)
Financial assets, Ending Balance |  | 3,387 | 3,164 | 2,102
U.S. government agency |  |  |  |
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |  |  |
Financial assets, Beginning Balance | 8 | 9 | 8 | 8
Total realized/unrealized gains (losses) included in Net earnings |  | 0 | 0 | 0
Total realized/unrealized gains (losses) included in other comprehensive income (loss) |  | 7 | 0 | 0
Purchases and issuances |  | 0 | 0 | 0
Sales and settlements |  | (1) | 0 | 0
Transfer into Level 3 |  | 0 | 1 | 0
Transfer out of Level 3 |  | 0 | 0 | 0
Financial assets, Ending Balance |  | 15 | 9 | 8
State and municipal |  |  |  |
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |  |  |
Financial assets, Beginning Balance | 148 | 59 | 148 | 140
Total realized/unrealized gains (losses) included in Net earnings |  | 0 | 0 | 0
Total realized/unrealized gains (losses) included in other comprehensive income (loss) |  | 5 | (2) | 2
Purchases and issuances |  | 0 | 0 | 0
Sales and settlements |  | (3) | (3) | (2)
Transfer into Level 3 |  | 55 | 0 | 10
Transfer out of Level 3 |  | (11) | (84) | (2)
Financial assets, Ending Balance |  | 105 | 59 | 148
Residential MBS |  |  |  |
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |  |  |
Financial assets, Beginning Balance | 122 | 197 | 122 | 190
Total realized/unrealized gains (losses) included in Net earnings |  | 6 | (9) | (4)
Total realized/unrealized gains (losses) included in other comprehensive income (loss) |  | (3) | (4) | 2
Purchases and issuances |  | 0 | 0 | 1
Sales and settlements |  | (20) | (21) | (40)
Transfer into Level 3 |  | 48 | 130 | 44
Transfer out of Level 3 |  | (55) | (21) | (71)
Financial assets, Ending Balance |  | 173 | 197 | 122
Commercial MBS |  |  |  |
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |  |  |
Financial assets, Beginning Balance | 36 | 56 | 36 | 25
Total realized/unrealized gains (losses) included in Net earnings |  | 2 | 0 | 2
Total realized/unrealized gains (losses) included in other comprehensive income (loss) |  | 0 | 0 | 0
Purchases and issuances |  | 0 | 20 | 15
Sales and settlements |  | (12) | 0 | (10)
Transfer into Level 3 |  | 4 | 0 | 4
Transfer out of Level 3 |  | (15) | 0 | 0
Financial assets, Ending Balance |  | 35 | 56 | 36
Collateralized loan obligations |  |  |  |
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |  |  |
Financial assets, Beginning Balance | 200 | 116 | 200 | 174
Total realized/unrealized gains (losses) included in Net earnings |  | (5) | (3) | (1)
Total realized/unrealized gains (losses) included in other comprehensive income (loss) |  | 5 | (13) | (1)
Purchases and issuances |  | 0 | 35 | 55
Sales and settlements |  | 0 | (20) | (27)
Transfer into Level 3 |  | 28 | 3 | 0
Transfer out of Level 3 |  | (129) | (86) | 0
Financial assets, Ending Balance |  | 15 | 116 | 200
Other asset-backed securities |  |  |  |
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |  |  |
Financial assets, Beginning Balance | 544 | 731 | 544 | 310
Total realized/unrealized gains (losses) included in Net earnings |  | 0 | 0 | 1
Total realized/unrealized gains (losses) included in other comprehensive income (loss) |  | 6 | (2) | 2
Purchases and issuances |  | 787 | 391 | 355
Sales and settlements |  | (192) | (228) | (105)
Transfer into Level 3 |  | 23 | 79 | 202
Transfer out of Level 3 |  | (69) | (53) | (221)
Financial assets, Ending Balance |  | 1,286 | 731 | 544
Corporate and other |  |  |  |
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |  |  |
Financial assets, Beginning Balance | 1,044 | 1,996 | 1,044 | 712
Total realized/unrealized gains (losses) included in Net earnings |  | (3) | (10) | (5)
Total realized/unrealized gains (losses) included in other comprehensive income (loss) |  | 55 | (18) | 2
Purchases and issuances |  | 738 | 1,221 | 606
Sales and settlements |  | (335) | (204) | (237)
Transfer into Level 3 |  | 30 | 27 | 29
Transfer out of Level 3 |  | (723) | (64) | (63)
Financial assets, Ending Balance |  | 1,758 | 1,996 | 1,044
Equity securities |  |  |  |
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |  |  |
Financial assets, Beginning Balance | 165 | 336 | 165 | 174
Total realized/unrealized gains (losses) included in Net earnings |  | (5) | 9 | (21)
Total realized/unrealized gains (losses) included in other comprehensive income (loss) |  | 0 | 0 | 10
Purchases and issuances |  | 52 | 155 | 38
Sales and settlements |  | (2) | (6) | (16)
Transfer into Level 3 | 29 | 56 | 30 | 0
Transfer out of Level 3 |  | 0 | (17) | (20)
Financial assets, Ending Balance |  | 437 | 336 | 165
Assets of MIE |  |  |  |
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |  |  |
Financial assets, Beginning Balance | $ 23 | 21 | 23 | 29
Total realized/unrealized gains (losses) included in Net earnings |  | (5) | (8) | (11)
Total realized/unrealized gains (losses) included in other comprehensive income (loss) |  | 0 | 0 | 0
Purchases and issuances |  | 1 | 6 | 9
Sales and settlements |  | 0 | 0 | 0
Transfer into Level 3 |  | 0 | 0 | 0
Transfer out of Level 3 |  | 0 | 0 | (4)
Financial assets, Ending Balance |  | $ 17 | $ 21 | $ 23

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