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v3.19.2

Derivatives (Notional and Fair Values) (Details) MMBTU in Thousands, Boe in Thousands, $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2019 USD ($) MMBTU Boe company | Dec. 31, 2018 USD ($) MMBTU Boe company
Derivative Asset [Abstract] |  |
Derivative assets - Fair value | $ 242,876 | $ 107,816
Less: Master netting agreements | (40,372) | (31,569)
Less: Cash collateral received/paid | (3,831) | (13,577)
Derivative asset, after netting | 198,673 | 62,670
Derivative Liability [Abstract] |  |
Derivative liabilities - Fair value | 172,923 | 118,305
Less: Master netting agreements | (40,372) | (31,569)
Less: Cash collateral received/paid | (34,122) | (6,833)
Derivative liability, after netting | $ 98,429 | $ 79,903
Crude oil |  |
Derivative Liability [Abstract] |  |
Derivative, nonmonetary notional amount, energy measure | Boe | 5,646 | 2,507
Natural gas |  |
Derivative Liability [Abstract] |  |
Derivative, nonmonetary notional amount, energy measure | MMBTU | 30,775 | 14,722
Derivative instruments designated as hedging instruments |  |
Derivative Instruments |  |
Notional amount | $ 191,033 | $ 126,056
Derivative Asset [Abstract] |  |
Derivative assets - Fair value | 52 | 0
Derivative Liability [Abstract] |  |
Derivative liabilities - Fair value | 3,019 | 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 | 3,019 | 5,866
Derivative instruments designated as hedging instruments | Foreign exchange contracts |  |
Derivative Instruments |  |
Notional amount | 160,007 | 90,245
Derivative Asset [Abstract] |  |
Derivative assets - Fair value | 52 | 0
Derivative Liability [Abstract] |  |
Derivative liabilities - Fair value | 0 | 611
Derivatives not designated as hedging instruments |  |
Derivative Instruments |  |
Notional amount | 16,986,784 | 15,222,341
Derivative Asset [Abstract] |  |
Derivative assets - Fair value | 242,824 | 107,816
Derivative Liability [Abstract] |  |
Derivative liabilities - Fair value | 169,904 | 111,828
Derivatives not designated as hedging instruments | Interest rate contracts |  |
Derivative Instruments |  |
Notional amount | 13,469,821 | 11,695,499
Derivative Asset [Abstract] |  |
Derivative assets - Fair value | 190,388 | 69,818
Derivative Liability [Abstract] |  |
Derivative liabilities - Fair value | 121,352 | 69,267
Derivatives not designated as hedging instruments | Foreign exchange contracts |  |
Derivative Instruments |  |
Notional amount | 3,425,107 | 3,407,522
Derivative Asset [Abstract] |  |
Derivative assets - Fair value | 27,797 | 21,624
Derivative Liability [Abstract] |  |
Derivative liabilities - Fair value | 22,528 | 19,329
Derivatives not designated as hedging instruments | Credit contracts |  |
Derivative Instruments |  |
Notional amount | 91,856 | 119,320
Derivative Asset [Abstract] |  |
Derivative assets - Fair value | 3 | 1
Derivative Liability [Abstract] |  |
Derivative liabilities - Fair value | 118 | 164
Derivatives not designated as hedging instruments | Equity contracts |  |
Derivative Instruments |  |
Notional amount | 0 | 0
Derivative Asset [Abstract] |  |
Derivative assets - Fair value | 1,985 | 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 | 22,651 | 14,422
Derivative Liability [Abstract] |  |
Derivative liabilities - Fair value | $ 25,906 | $ 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

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