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v3.20.1

Derivatives (Narrative) (Details) MMBTU in Thousands, Boe in Thousands, $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2020 USD ($) MMBTU Boe company | Mar. 31, 2019 MMBTU Boe | Dec. 31, 2019 USD ($) company
Derivative [Line Items] |  |  |
Derivative assets - Fair value | $ 834,204 |  | $ 330,316
Derivative liabilities - Fair value | 658,515 |  | 256,528
Credit-risk-related contingent features |  |  |
Derivative [Line Items] |  |  |
Aggregate fair value of derivative instruments in net liability position | 139,100 |  | 56,400
Derivative asset |  |  | 14,400
Derivative liability |  |  | 70,800
Collateral posted | 138,900 |  | 56,400
Derivative instruments designated as hedging instruments |  |  |
Derivative [Line Items] |  |  |
Notional amount | 186,281 |  | 117,193
Derivative assets - Fair value | 73 |  | 0
Derivative liabilities - Fair value | 1,175 |  | 4,784
Derivative instruments designated as hedging instruments | Foreign exchange contracts |  |  |
Derivative [Line Items] |  |  |
Notional amount | 155,255 |  | 86,167
Derivative assets - Fair value | 73 |  | 0
Derivative liabilities - Fair value | 31 |  | 1,586
Derivative instruments designated as hedging instruments | Interest rate contracts |  |  |
Derivative [Line Items] |  |  |
Notional amount | 31,026 |  | 31,026
Derivative assets - Fair value | 0 |  | 0
Derivative liabilities - Fair value | 1,144 |  | 3,198
Derivatives not designated as hedging instruments |  |  |
Derivative [Line Items] |  |  |
Notional amount | 21,826,497 |  | 20,540,031
Derivative assets - Fair value | 834,131 |  | 330,316
Derivative liabilities - Fair value | 657,340 |  | 251,744
Derivatives not designated as hedging instruments | Foreign exchange contracts |  |  |
Derivative [Line Items] |  |  |
Notional amount | 4,958,834 |  | 4,839,661
Derivative assets - Fair value | 64,310 |  | 54,637
Derivative liabilities - Fair value | 55,627 |  | 47,024
Derivatives not designated as hedging instruments | Interest rate contracts |  |  |
Derivative [Line Items] |  |  |
Notional amount | 16,657,306 |  | 15,489,692
Derivative assets - Fair value | 605,122 |  | 192,883
Derivative liabilities - Fair value | 402,207 |  | 124,119
Derivatives not designated as hedging instruments | Interest rate contracts | Financial Counterparty |  |  |
Derivative [Line Items] |  |  |
Notional amount | 8,340,000 |  | 7,750,000
Derivatives not designated as hedging instruments | Interest rate contracts | LCH |  |  |
Derivative [Line Items] |  |  |
Notional amount | 2,680,000 |  | 2,530,000
Derivative assets - Fair value |  |  | 2,900
Derivative liabilities - Fair value | 213,900 |  | 75,100
Derivatives not designated as hedging instruments | Credit contracts |  |  |
Derivative [Line Items] |  |  |
Notional amount | 210,357 |  | 210,678
Derivative assets - Fair value | 8 |  | 2
Derivative liabilities - Fair value | $ 218 |  | 84
Weighted average remaining maturity of outstanding RPAs | 1 year 10 months 24 days | 2 years 2 months 12 days |
Derivatives not designated as hedging instruments | Credit contracts | RPA protection sold |  |  |
Derivative [Line Items] |  |  |
Maximum exposure of RPAs with protection sold | $ 688 |  | $ 125
Derivatives not designated as hedging instruments | Equity, Public Companies |  |  |
Derivative [Line Items] |  |  |
Number of companies that issued the equity (issuers portion only) | company | 2 |  | 3
Derivatives not designated as hedging instruments | Equity, Private Companies |  |  |
Derivative [Line Items] |  |  |
Number of companies that issued the equity (issuers portion only) | company | 18 |  | 18
Derivatives not designated as hedging instruments | Equity contracts |  |  |
Derivative [Line Items] |  |  |
Notional amount | $ 0 |  | $ 0
Derivative assets - Fair value | 1,128 |  | 1,414
Derivative liabilities - Fair value | 0 |  | 0
Derivatives not designated as hedging instruments | Commodity contracts |  |  |
Derivative [Line Items] |  |  |
Notional amount | 0 |  | 0
Derivative assets - Fair value | 163,563 |  | 81,380
Derivative liabilities - Fair value | 199,288 |  | 80,517
Derivatives not designated as hedging instruments | Commodity contracts | Chicago Mercantile Exchange (CME) |  |  |
Derivative [Line Items] |  |  |
Derivative assets - Fair value | 39,600 |  | 2,900
Derivative liabilities - Fair value | 203 |  | 1,500
Derivative assets (liabilities), at fair value, net | $ 2,400 |  | 986
Derivatives not designated as hedging instruments | Commodity contracts | Chicago Mercantile Exchange (CME) | Oil |  |  |
Derivative [Line Items] |  |  |
Derivative, nonmonetary notional amount, energy measure | Boe | 1,582 | 1,752 |
Derivatives not designated as hedging instruments | Commodity contracts | Chicago Mercantile Exchange (CME) | Natural gas |  |  |
Derivative [Line Items] |  |  |
Derivative, nonmonetary notional amount, energy measure | MMBTU | 5,290 | 6,075 |
Maximum | Derivatives not designated as hedging instruments | Foreign exchange contracts |  |  |
Derivative [Line Items] |  |  |
Original maturity (in years) | 1 year | 1 year |
Derivative Financial Instruments, Assets | Derivative instruments designated as hedging instruments | Foreign exchange contracts |  |  |
Derivative [Line Items] |  |  |
Notional amount | $ 112,900 |  |
Derivative assets - Fair value | 73 |  |
Derivative Financial Instruments, Liabilities | Derivative instruments designated as hedging instruments | Foreign exchange contracts |  |  |
Derivative [Line Items] |  |  |
Notional amount | 42,300 |  | 86,200
Derivative liabilities - Fair value | $ 31 |  | $ 1,600

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