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v3.19.3

Derivatives (Notional and Fair Values) (Details) MMBTU in Thousands, Boe in Thousands, $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2019 USD ($) Boe MMBTU company | Dec. 31, 2018 USD ($) Boe MMBTU company
Derivative Asset [Abstract] |  |
Derivative assets - Fair value | $ 358,639 | $ 107,816
Less: Master netting agreements | (62,741) | (31,569)
Less: Cash collateral received/paid | (6,587) | (13,577)
Derivative asset, after netting | 289,311 | 62,670
Derivative Liability [Abstract] |  |
Derivative liabilities - Fair value | 263,734 | 118,305
Less: Master netting agreements | (62,741) | (31,569)
Less: Cash collateral received/paid | (47,979) | (6,833)
Derivative liability, after netting | $ 153,014 | $ 79,903
Crude oil | Customer Counterparty |  |
Derivative Liability [Abstract] |  |
Derivative, nonmonetary notional amount, energy measure | Boe | 7,166 | 2,507
Natural gas | Customer Counterparty |  |
Derivative Liability [Abstract] |  |
Derivative, nonmonetary notional amount, energy measure | MMBTU | 33,089 | 14,722
Derivative instruments designated as hedging instruments |  |
Derivative Instruments |  |
Notional amount | $ 115,857 | $ 126,056
Derivative Asset [Abstract] |  |
Derivative assets - Fair value | 0 | 0
Derivative Liability [Abstract] |  |
Derivative liabilities - Fair value | 3,235 | 6,477
Derivative instruments designated as hedging instruments | Interest rate contracts |  |
Derivative Instruments |  |
Notional amount | 31,026 | 35,811
Derivative Asset [Abstract] |  |
Derivative assets - Fair value | 0 | 0
Derivative Liability [Abstract] |  |
Derivative liabilities - Fair value | 2,804 | 5,866
Derivative instruments designated as hedging instruments | Foreign exchange contracts |  |
Derivative Instruments |  |
Notional amount | 84,831 | 90,245
Derivative Asset [Abstract] |  |
Derivative assets - Fair value | 0 | 0
Derivative Liability [Abstract] |  |
Derivative liabilities - Fair value | 431 | 611
Derivatives not designated as hedging instruments |  |
Derivative Instruments |  |
Notional amount | 18,988,712 | 15,222,341
Derivative Asset [Abstract] |  |
Derivative assets - Fair value | 358,639 | 107,816
Derivative Liability [Abstract] |  |
Derivative liabilities - Fair value | 260,499 | 111,828
Derivatives not designated as hedging instruments | Interest rate contracts |  |
Derivative Instruments |  |
Notional amount | 14,139,233 | 11,695,499
Derivative Asset [Abstract] |  |
Derivative assets - Fair value | 264,603 | 69,818
Derivative Liability [Abstract] |  |
Derivative liabilities - Fair value | 168,113 | 69,267
Derivatives not designated as hedging instruments | Foreign exchange contracts |  |
Derivative Instruments |  |
Notional amount | 4,638,136 | 3,407,522
Derivative Asset [Abstract] |  |
Derivative assets - Fair value | 59,512 | 21,624
Derivative Liability [Abstract] |  |
Derivative liabilities - Fair value | 50,397 | 19,329
Derivatives not designated as hedging instruments | Credit contracts |  |
Derivative Instruments |  |
Notional amount | 211,343 | 119,320
Derivative Asset [Abstract] |  |
Derivative assets - Fair value | 4 | 1
Derivative Liability [Abstract] |  |
Derivative liabilities - Fair value | 122 | 164
Derivatives not designated as hedging instruments | Equity contracts |  |
Derivative Instruments |  |
Notional amount | 0 | 0
Derivative Asset [Abstract] |  |
Derivative assets - Fair value | 1,542 | 1,951
Derivative Liability [Abstract] |  |
Derivative liabilities - Fair value | 0 | 0
Derivatives not designated as hedging instruments | Commodity contracts |  |
Derivative Instruments |  |
Notional amount | 0 | 0
Derivative Asset [Abstract] |  |
Derivative assets - Fair value | 32,978 | 14,422
Derivative Liability [Abstract] |  |
Derivative liabilities - Fair value | $ 41,867 | $ 23,068
Derivatives not designated as hedging instruments | Equity, Public Companies |  |
Derivative Liability [Abstract] |  |
Number of companies that issued the equity (issuers portion only) | company | 3 | 4
Derivatives not designated as hedging instruments | Equity, Private Companies |  |
Derivative Liability [Abstract] |  |
Number of companies that issued the equity (issuers portion only) | company | 17 | 18
Commodity contracts | Derivatives not designated as hedging instruments | Commodity contracts | Customer Counterparty |  |
Derivative Asset [Abstract] |  |
Derivative assets - Fair value | $ 4,289 | $ 1,127
Derivative Liability [Abstract] |  |
Derivative liabilities - Fair value | 36,147 | 22,687
Commodity contracts | Derivatives not designated as hedging instruments | Commodity contracts | Crude oil | Customer Counterparty |  |
Derivative Asset [Abstract] |  |
Derivative assets - Fair value | 1,473 | 0
Derivative Liability [Abstract] |  |
Derivative liabilities - Fair value | $ 28,634 | $ 20,678
Derivative, nonmonetary notional amount, energy measure | Boe | 7,166 | 2,507
Commodity contracts | Derivatives not designated as hedging instruments | Commodity contracts | Natural gas | Customer Counterparty |  |
Derivative Asset [Abstract] |  |
Derivative assets - Fair value | $ 2,816 | $ 1,127
Derivative Liability [Abstract] |  |
Derivative liabilities - Fair value | $ 7,513 | $ 2,009
Derivative, nonmonetary notional amount, energy measure | MMBTU | 33,089 | 14,722

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