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v3.21.1

Fair Value Measurement - Level 3 Recurring Fair Value Rollforward (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020
Derivative, Fair Value, Net [Abstract] |  |  |
Derivative assets, gross amount | $ 2,869 |  | $ 3,415
Derivative liabilities, gross amount | 1,651 |  | 1,518
Recurring | Level 3 |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Net Unrealized Gains (Losses) Included in OCI Related to Assets and Liabilities Still Held | (2) | $ (52) |
Derivative, Fair Value, Net [Abstract] |  |  |
Beginning balance | 31 | 26 |
Total Gains or (Losses) (Realized/Unrealized), Included in Net Income | (21) | 20 |
Total Gains or (Losses) (Realized/Unrealized), Included in OCI | 0 | 0 |
Purchases | 0 | 0 |
Sales | 0 | 0 |
Issuances | 38 | 24 |
Settlements | (14) | (2) |
Transfers Into Level 3 | 0 | 0 |
Transfers Out of Level 3 | 0 | (2) |
Ending balance | 34 | 66 |
Derivative assets, gross amount | 157 | 147 | 141
Derivative liabilities, gross amount | 123 | 81 | $ 110
RMBS | Recurring | Level 3 |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Beginning balance | 328 | 433 |
Total Gains or (Losses) (Realized/Unrealized), Included in Net Income | 7 | 3 |
Total Gains or (Losses) (Realized/Unrealized), Included in OCI | 2 | (53) |
Purchases | 0 | 0 |
Sales | 0 | 0 |
Issuances | 0 | 0 |
Settlements | (26) | (17) |
Transfers Into Level 3 | 39 | 9 |
Transfers Out of Level 3 | (24) | (2) |
Ending balance | 326 | 373 |
Net Unrealized Gains (Losses) Included in Net Income Related to Assets and Liabilities Still Held | 7 | 3 |
CMBS | Recurring | Level 3 |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Beginning balance | 111 | 13 |
Total Gains or (Losses) (Realized/Unrealized), Included in Net Income | 0 | 0 |
Total Gains or (Losses) (Realized/Unrealized), Included in OCI | (2) | 0 |
Purchases | 0 | 0 |
Sales | 0 | 0 |
Issuances | 0 | 0 |
Settlements | (6) | (1) |
Transfers Into Level 3 | 0 | 24 |
Transfers Out of Level 3 | (93) | 0 |
Ending balance | 10 | 36 |
Net Unrealized Gains (Losses) Included in Net Income Related to Assets and Liabilities Still Held | 0 | 0 |
Available-for-sale securities | Recurring | Level 3 |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Beginning balance | 439 | 446 |
Total Gains or (Losses) (Realized/Unrealized), Included in Net Income | 7 | 3 |
Total Gains or (Losses) (Realized/Unrealized), Included in OCI | 0 | (53) |
Purchases | 0 | 0 |
Sales | 0 | 0 |
Issuances | 0 | 0 |
Settlements | (32) | (18) |
Transfers Into Level 3 | 39 | 33 |
Transfers Out of Level 3 | (117) | (2) |
Ending balance | 336 | 409 |
Net Unrealized Gains (Losses) Included in Net Income Related to Assets and Liabilities Still Held | 7 | 3 |
Retained interest in securitizations | Recurring | Level 3 |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Beginning balance | 55 | 66 |
Total Gains or (Losses) (Realized/Unrealized), Included in Net Income | (5) | (7) |
Total Gains or (Losses) (Realized/Unrealized), Included in OCI | 0 | 0 |
Purchases | 0 | 0 |
Sales | 0 | 0 |
Issuances | 0 | 0 |
Settlements | 0 | 0 |
Transfers Into Level 3 | 0 | 0 |
Transfers Out of Level 3 | 0 | 0 |
Ending balance | 50 | 59 |
Net Unrealized Gains (Losses) Included in Net Income Related to Assets and Liabilities Still Held | (5) | (7) |
Net derivative assets (liabilities) | Recurring | Level 3 |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Net Unrealized Gains (Losses) Included in Net Income Related to Assets and Liabilities Still Held | $ (19) | $ 18 |

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