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Derivatives (Notional and Fair Values) (Details) MMBTU in Thousands, Boe in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 USD ($) MMBTU Boe company | Dec. 31, 2020 USD ($) Boe MMBTU company
Derivative Asset [Abstract] |  |
Derivative assets - Fair value | $ 484,184 | $ 602,754
Less: Master Netting Arrangements | (58,679) | (93,063)
Less: Cash collateral received or paid | (42,274) | (8,449)
Derivative asset, after netting | 383,231 | 501,242
Derivative Liability [Abstract] |  |
Derivative liabilities - Fair Value | 390,171 | 424,828
Less: Master Netting Arrangements | (58,679) | (93,063)
Less: Cash collateral received/paid | (174,048) | (91,634)
Derivative liability, after netting | $ 157,444 | $ 240,131
Customer Counterparty | Crude Oil |  |
Derivative Liability [Abstract] |  |
Derivative, nonmonetary notional amount, energy measure | Boe | 7,519 | 6,321
Customer Counterparty | Natural Gas |  |
Derivative Liability [Abstract] |  |
Derivative, nonmonetary notional amount, energy measure | MMBTU | 83,274 | 109,635
Derivative instruments designated as hedging instruments |  |
Derivative Instruments |  |
Notional Amount | $ 361,531 | $ 359,269
Derivative Asset [Abstract] |  |
Derivative assets - Fair value | 0 | 0
Derivative Liability [Abstract] |  |
Derivative liabilities - Fair Value | 282 | 2,099
Derivative instruments designated as hedging instruments | Interest rate contracts | Cash Flow Hedging |  |
Derivative Instruments |  |
Notional Amount | 275,000 | 275,000
Derivative Asset [Abstract] |  |
Derivative assets - Fair value | 0 | 0
Derivative Liability [Abstract] |  |
Derivative liabilities - Fair Value | 57 | 1,864
Derivative instruments designated as hedging instruments | Foreign exchange contracts | Net investment hedges |  |
Derivative Instruments |  |
Notional Amount | 86,531 | 84,269
Derivative Asset [Abstract] |  |
Derivative assets - Fair value | 0 | 0
Derivative Liability [Abstract] |  |
Derivative liabilities - Fair Value | 225 | 235
Derivative instruments not designated as hedging instruments |  |
Derivative Instruments |  |
Notional Amount | 19,522,661 | 21,341,158
Derivative Asset [Abstract] |  |
Derivative assets - Fair value | 484,184 | 602,754
Derivative Liability [Abstract] |  |
Derivative liabilities - Fair Value | 389,889 | 422,729
Derivative instruments not designated as hedging instruments | Interest rate contracts |  |
Derivative Instruments |  |
Notional Amount | 17,575,420 | 18,155,678
Derivative Asset [Abstract] |  |
Derivative assets - Fair value | 240,222 | 489,132
Derivative Liability [Abstract] |  |
Derivative liabilities - Fair Value | 179,905 | 315,834
Derivative instruments not designated as hedging instruments | Foreign exchange contracts |  |
Derivative Instruments |  |
Notional Amount | 1,874,681 | 3,108,488
Derivative Asset [Abstract] |  |
Derivative assets - Fair value | 21,033 | 30,300
Derivative Liability [Abstract] |  |
Derivative liabilities - Fair Value | 15,276 | 22,524
Derivative instruments not designated as hedging instruments | Credit contracts |  |
Derivative Instruments |  |
Notional Amount | 72,560 | 76,992
Derivative Asset [Abstract] |  |
Derivative assets - Fair value | 0 | 13
Derivative Liability [Abstract] |  |
Derivative liabilities - Fair Value | 141 | 206
Derivative instruments not designated as hedging instruments | Equity contracts |  |
Derivative Instruments |  |
Notional Amount | 0 | 0
Derivative Asset [Abstract] |  |
Derivative assets - Fair value | 220 | 858
Derivative Liability [Abstract] |  |
Derivative liabilities - Fair Value | 0 | 0
Derivative instruments not designated as hedging instruments | Commodity contracts |  |
Derivative Instruments |  |
Notional Amount | 0 | 0
Derivative Asset [Abstract] |  |
Derivative assets - Fair value | 222,709 | 82,451
Derivative Liability [Abstract] |  |
Derivative liabilities - Fair Value | $ 194,567 | $ 84,165
Derivative instruments not designated as hedging instruments | Equity, Public Companies |  |
Derivative Liability [Abstract] |  |
Number of companies that Issued the equity contracts (Issuers Portion Only) | company | 1 | 2
Derivative instruments not designated as hedging instruments | Equity, Private Companies |  |
Derivative Liability [Abstract] |  |
Number of companies that Issued the equity contracts (Issuers Portion Only) | company | 12 | 17

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