Derivatives, Fair Value of Derivatives Contracts (Details) - USD ($) $ in Thousands	Mar. 31, 2022		Dec. 31, 2021
Derivative Assets, Fair Value, Net [Abstract]
Derviative contracts, net of cash collateral, Assets, Fair value	$ 2,680,207		$ 1,097,297
Derivative Liabilities, Fair Value, Net [Abstract]
Derivative Liabilities, Fair Value, Net of Cash Collateral	557,834		275,625
Not Designated as Hedging Instrument [Member]
Notional Amount of Derivatives [Abstract]
Derivative Assets, Notional	40,334,338	[1]	45,694,922	[2]
Derivative Liabilities, Notional	37,883,229	[1]	50,930,000	[2]
Derivative Assets, Fair Value, Net [Abstract]
Derivative Assets, Gross Fair Value	3,484,734		1,588,528
Derivative Assets, Netting Adjustments	(766,540)		(490,268)
Derivative Assets, Net Fair Value Before Cash Collateral	2,718,194		1,098,260
Derivative Assets, Cash Collateral	(37,987)		(963)
Derviative contracts, net of cash collateral, Assets, Fair value	2,680,207		1,097,297
Derivative Liabilities, Fair Value, Net [Abstract]
Derivative Liabilities, Gross Fair Value	3,499,311		1,627,386
Derivative Liabilities, Netting Adjustments	(766,540)		(490,268)
Derivative Liabilities, Net Fair Value Before Cash Collateral	2,732,771		1,137,118
Derivative Liabilities, Cash Collateral	(2,174,937)		(861,493)
Derivative Liabilities, Fair Value, Net of Cash Collateral	557,834		275,625
Not Designated as Hedging Instrument [Member] | Total customer risk management programs
Notional Amount of Derivatives [Abstract]
Derivative Assets, Notional	11,132,221	[1]	9,232,665	[2]
Derivative Liabilities, Notional	11,190,787	[1]	9,345,519	[2]
Derivative Assets, Fair Value, Net [Abstract]
Derivative Assets, Gross Fair Value	2,932,726		1,438,147
Derivative Assets, Netting Adjustments	(548,111)		(385,725)
Derivative Assets, Net Fair Value Before Cash Collateral	2,384,615		1,052,422
Derivative Assets, Cash Collateral	(37,891)		(242)
Derviative contracts, net of cash collateral, Assets, Fair value	2,346,724		1,052,180
Derivative Liabilities, Fair Value, Net [Abstract]
Derivative Liabilities, Gross Fair Value	2,960,456		1,472,882
Derivative Liabilities, Netting Adjustments	(548,111)		(385,725)
Derivative Liabilities, Net Fair Value Before Cash Collateral	2,412,345		1,087,157
Derivative Liabilities, Cash Collateral	(2,159,463)		(837,419)
Derivative Liabilities, Fair Value, Net of Cash Collateral	252,882		249,738
Not Designated as Hedging Instrument [Member] | Interest rate contracts [Member]
Notional Amount of Derivatives [Abstract]
Derivative Assets, Notional	2,901,463	[1]	2,614,162	[2]
Derivative Liabilities, Notional	2,901,463	[1]	2,614,162	[2]
Derivative Assets, Fair Value, Net [Abstract]
Derivative Assets, Gross Fair Value	69,287		53,881
Derivative Assets, Netting Adjustments	(6,285)		(10,101)
Derivative Assets, Net Fair Value Before Cash Collateral	63,002		43,780
Derivative Assets, Cash Collateral	(24,595)		0
Derviative contracts, net of cash collateral, Assets, Fair value	38,407		43,780
Derivative Liabilities, Fair Value, Net [Abstract]
Derivative Liabilities, Gross Fair Value	69,334		54,062
Derivative Liabilities, Netting Adjustments	(6,285)		(10,101)
Derivative Liabilities, Net Fair Value Before Cash Collateral	63,049		43,961
Derivative Liabilities, Cash Collateral	(61)		(33,870)
Derivative Liabilities, Fair Value, Net of Cash Collateral	62,988		10,091
Not Designated as Hedging Instrument [Member] | Energy contracts [Member]
Notional Amount of Derivatives [Abstract]
Derivative Assets, Notional	8,010,126	[1]	6,360,095	[2]
Derivative Liabilities, Notional	8,069,893	[1]	6,480,840	[2]
Derivative Assets, Fair Value, Net [Abstract]
Derivative Assets, Gross Fair Value	2,683,519		1,168,363
Derivative Assets, Netting Adjustments	(541,826)		(375,624)
Derivative Assets, Net Fair Value Before Cash Collateral	2,141,693		792,739
Derivative Assets, Cash Collateral	(12,281)		0
Derviative contracts, net of cash collateral, Assets, Fair value	2,129,412		792,739
Derivative Liabilities, Fair Value, Net [Abstract]
Derivative Liabilities, Gross Fair Value	2,712,617		1,210,946
Derivative Liabilities, Netting Adjustments	(541,826)		(375,624)
Derivative Liabilities, Net Fair Value Before Cash Collateral	2,170,791		835,322
Derivative Liabilities, Cash Collateral	(2,159,402)		(803,102)
Derivative Liabilities, Fair Value, Net of Cash Collateral	11,389		32,220
Not Designated as Hedging Instrument [Member] | Agricultural contracts [Member]
Notional Amount of Derivatives [Abstract]
Derivative Assets, Notional	0	[1]	0	[2]
Derivative Liabilities, Notional	0	[1]	0	[2]
Derivative Assets, Fair Value, Net [Abstract]
Derivative Assets, Gross Fair Value	0		0
Derivative Assets, Netting Adjustments	0		0
Derivative Assets, Net Fair Value Before Cash Collateral	0		0
Derivative Assets, Cash Collateral	0		0
Derviative contracts, net of cash collateral, Assets, Fair value	0		0
Derivative Liabilities, Fair Value, Net [Abstract]
Derivative Liabilities, Gross Fair Value	0		0
Derivative Liabilities, Netting Adjustments	0		0
Derivative Liabilities, Net Fair Value Before Cash Collateral	0		0
Derivative Liabilities, Cash Collateral	0		0
Derivative Liabilities, Fair Value, Net of Cash Collateral	0		0
Not Designated as Hedging Instrument [Member] | Foreign exchange contracts [Member]
Notional Amount of Derivatives [Abstract]
Derivative Assets, Notional	180,648	[1]	216,272	[2]
Derivative Liabilities, Notional	179,447	[1]	208,381	[2]
Derivative Assets, Fair Value, Net [Abstract]
Derivative Assets, Gross Fair Value	179,024		215,148
Derivative Assets, Netting Adjustments	0		0
Derivative Assets, Net Fair Value Before Cash Collateral	179,024		215,148
Derivative Assets, Cash Collateral	(715)		0
Derviative contracts, net of cash collateral, Assets, Fair value	178,309		215,148
Derivative Liabilities, Fair Value, Net [Abstract]
Derivative Liabilities, Gross Fair Value	177,609		207,119
Derivative Liabilities, Netting Adjustments	0		0
Derivative Liabilities, Net Fair Value Before Cash Collateral	177,609		207,119
Derivative Liabilities, Cash Collateral	0		(447)
Derivative Liabilities, Fair Value, Net of Cash Collateral	177,609		206,672
Not Designated as Hedging Instrument [Member] | Equity option contracts [Member]
Notional Amount of Derivatives [Abstract]
Derivative Assets, Notional	39,984	[1]	42,136	[2]
Derivative Liabilities, Notional	39,984	[1]	42,136	[2]
Derivative Assets, Fair Value, Net [Abstract]
Derivative Assets, Gross Fair Value	896		755
Derivative Assets, Netting Adjustments	0		0
Derivative Assets, Net Fair Value Before Cash Collateral	896		755
Derivative Assets, Cash Collateral	(300)		(242)
Derviative contracts, net of cash collateral, Assets, Fair value	596		513
Derivative Liabilities, Fair Value, Net [Abstract]
Derivative Liabilities, Gross Fair Value	896		755
Derivative Liabilities, Netting Adjustments	0		0
Derivative Liabilities, Net Fair Value Before Cash Collateral	896		755
Derivative Liabilities, Cash Collateral	0		0
Derivative Liabilities, Fair Value, Net of Cash Collateral	896		755
Not Designated as Hedging Instrument [Member] | Trading [Member]
Notional Amount of Derivatives [Abstract]
Derivative Assets, Notional	29,002,117	[1]	35,592,751	[2]
Derivative Liabilities, Notional	26,298,226	[1]	41,285,649	[2]
Derivative Assets, Fair Value, Net [Abstract]
Derivative Assets, Gross Fair Value	550,075		139,694
Derivative Assets, Netting Adjustments	(218,429)		(104,326)
Derivative Assets, Net Fair Value Before Cash Collateral	331,646		35,368
Derivative Assets, Cash Collateral	(96)		(721)
Derviative contracts, net of cash collateral, Assets, Fair value	331,550		34,647
Derivative Liabilities, Fair Value, Net [Abstract]
Derivative Liabilities, Gross Fair Value	525,699		152,947
Derivative Liabilities, Netting Adjustments	(218,429)		(104,326)
Derivative Liabilities, Net Fair Value Before Cash Collateral	307,270		48,621
Derivative Liabilities, Cash Collateral	(15,474)		(24,074)
Derivative Liabilities, Fair Value, Net of Cash Collateral	291,796		24,547
Not Designated as Hedging Instrument [Member] | Internal risk management programs [Member]
Notional Amount of Derivatives [Abstract]
Derivative Assets, Notional	200,000	[1]	869,506	[2]
Derivative Liabilities, Notional	394,216	[1]	298,832	[2]
Derivative Assets, Fair Value, Net [Abstract]
Derivative Assets, Gross Fair Value	1,933		10,687
Derivative Assets, Netting Adjustments	0		(217)
Derivative Assets, Net Fair Value Before Cash Collateral	1,933		10,470
Derivative Assets, Cash Collateral	0		0
Derviative contracts, net of cash collateral, Assets, Fair value	1,933		10,470
Derivative Liabilities, Fair Value, Net [Abstract]
Derivative Liabilities, Gross Fair Value	13,156		1,557
Derivative Liabilities, Netting Adjustments	0		(217)
Derivative Liabilities, Net Fair Value Before Cash Collateral	13,156		1,340
Derivative Liabilities, Cash Collateral	0		0
Derivative Liabilities, Fair Value, Net of Cash Collateral	$ 13,156		$ 1,340

[1] Notional amounts for commodity contracts are converted into dollar-equivalent amounts based on dollar prices at the inception of the contract.

[2] Notional amounts for commodity contracts are converted into dollar-equivalent amounts based on dollar prices at the inception of the contract.