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v3.21.1

Fair Value Measurements - Change in Fair Values of Level 3 Financial Instruments (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Other investments |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |
Beginning of Period Balance | $ 13 | $ 12
Gains (Losses) Included in Other Comprehensive Income | 0 | 0
Gains (Losses) Included in Earnings | (1) | (2)
Purchases | 0 | 0
Sales | 0 | 0
Settlements | 0 | 0
Transfers Other | 0 | 0
Transfers into Level 3 | 0 | 0
Transfers out of Level 3 | (3) | 0
End of Period Balance | 9 | 10
Unrealized Gains (Losses) Included in Earnings | (1) | (2)
Other investments | Principal investments, Direct |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |
Beginning of Period Balance | 1 | 1
Gains (Losses) Included in Other Comprehensive Income | 0 | 0
Gains (Losses) Included in Earnings | 0 | 0
Purchases | 0 | 0
Sales | 0 | 0
Settlements | 0 | 0
Transfers Other | 0 | 0
Transfers into Level 3 | 0 | 0
Transfers out of Level 3 | 0 | 0
End of Period Balance | 1 | 1
Unrealized Gains (Losses) Included in Earnings | 0 | 0
Securities available for sale | Other securities |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |
Beginning of Period Balance | 13 | 11
Gains (Losses) Included in Other Comprehensive Income | 9 | (2)
Gains (Losses) Included in Earnings | 0 | 0
Purchases | 0 | 0
Sales | 0 | 0
Settlements | 0 | 0
Transfers Other | 0 | 0
Transfers into Level 3 | 0 | 0
Transfers out of Level 3 | 0 | 0
End of Period Balance | 22 | 9
Unrealized Gains (Losses) Included in Earnings | 0 | 0
Interest rate |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |
Beginning of Period Balance | 56 | 22
Gains (Losses) Included in Other Comprehensive Income | 0 | 0
Gains (Losses) Included in Earnings | (22) | 19
Purchases | 0 | 11
Sales | (4) | (1)
Settlements | 0 | 0
Transfers Other | 0 | 0
Transfers into Level 3 | 7 | 55
Transfers out of Level 3 | (7) | (10)
End of Period Balance | 30 | 96
Unrealized Gains (Losses) Included in Earnings | 0 | 0
Credit |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |
Beginning of Period Balance | (10) | (8)
Gains (Losses) Included in Other Comprehensive Income | 0 | 0
Gains (Losses) Included in Earnings | 5 | (16)
Purchases | 0 | 1
Sales | 0 |
Settlements | 0 | 0
Transfers Other | 0 | 0
Transfers into Level 3 | 0 | 0
Transfers out of Level 3 | 0 |
End of Period Balance | (5) | (23)
Unrealized Gains (Losses) Included in Earnings | 0 | 0
Other |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |
Beginning of Period Balance | 32 | 5
Gains (Losses) Included in Other Comprehensive Income | 0 | 0
Gains (Losses) Included in Earnings | (4) | 0
Purchases | 0 | 0
Sales | 0 | 0
Settlements | 0 | 0
Transfers Other | (22) | 18
Transfers into Level 3 | 0 | 0
Transfers out of Level 3 | 0 | 0
End of Period Balance |  | 23
Unrealized Gains (Losses) Included in Earnings | 0 | 0
Loans held for sale (residential) |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |
Beginning of Period Balance | 0 | 0
Gains (Losses) Included in Other Comprehensive Income | 0 | 0
Gains (Losses) Included in Earnings | 0 | 0
Purchases | 0 | 0
Sales | (1) | 0
Settlements | 0 | 0
Transfers Other | 1 | 10
Transfers into Level 3 | 0 | 0
Transfers out of Level 3 | 0 | 0
End of Period Balance | 0 | 10
Unrealized Gains (Losses) Included in Earnings | 0 | 0
Loans, net of unearned income (residential) |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |
Beginning of Period Balance | 11 | 4
Gains (Losses) Included in Other Comprehensive Income | 0 | 0
Gains (Losses) Included in Earnings | 0 | 0
Purchases | 0 | 0
Sales | (1) | (1)
Settlements | 0 | 0
Transfers Other | 1 | 0
Transfers into Level 3 | 0 | 0
Transfers out of Level 3 | 0 | 0
End of Period Balance | 11 | 3
Unrealized Gains (Losses) Included in Earnings | $ 0 | $ 0

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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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