Derivatives, Fair Value of Derivatives Contracts (Details) - USD ($) $ in Thousands	Jun. 30, 2022		Dec. 31, 2021
Derivative Assets, Fair Value, Net [Abstract]
Derviative contracts, net of cash collateral, Assets, Fair value	$ 1,992,977		$ 1,097,297
Derivative Liabilities, Fair Value, Net [Abstract]
Derivative Liabilities, Fair Value, Net of Cash Collateral	214,576		275,625
Not Designated as Hedging Instrument [Member]
Notional Amount of Derivatives [Abstract]
Derivative Assets, Notional	36,178,316	[1]	45,694,922	[2]
Derivative Liabilities, Notional	35,225,734	[1]	50,930,000	[2]
Derivative Assets, Fair Value, Net [Abstract]
Derivative Assets, Gross Fair Value	2,850,103		1,588,528
Derivative Assets, Netting Adjustments	(781,797)		(490,268)
Derivative Assets, Net Fair Value Before Cash Collateral	2,068,306		1,098,260
Derivative Assets, Cash Collateral	(75,329)		(963)
Derviative contracts, net of cash collateral, Assets, Fair value	1,992,977		1,097,297
Derivative Liabilities, Fair Value, Net [Abstract]
Derivative Liabilities, Gross Fair Value	2,858,959		1,627,386
Derivative Liabilities, Netting Adjustments	(781,797)		(490,268)
Derivative Liabilities, Net Fair Value Before Cash Collateral	2,077,162		1,137,118
Derivative Liabilities, Cash Collateral	(1,862,586)		(861,493)
Derivative Liabilities, Fair Value, Net of Cash Collateral	214,576		275,625
Not Designated as Hedging Instrument [Member] | Total customer risk management programs
Notional Amount of Derivatives [Abstract]
Derivative Assets, Notional	12,227,179	[1]	9,232,665	[2]
Derivative Liabilities, Notional	12,400,755	[1]	9,345,519	[2]
Derivative Assets, Fair Value, Net [Abstract]
Derivative Assets, Gross Fair Value	2,667,377		1,438,147
Derivative Assets, Netting Adjustments	(641,170)		(385,725)
Derivative Assets, Net Fair Value Before Cash Collateral	2,026,207		1,052,422
Derivative Assets, Cash Collateral	(75,329)		(242)
Derviative contracts, net of cash collateral, Assets, Fair value	1,950,878		1,052,180
Derivative Liabilities, Fair Value, Net [Abstract]
Derivative Liabilities, Gross Fair Value	2,672,732		1,472,882
Derivative Liabilities, Netting Adjustments	(641,170)		(385,725)
Derivative Liabilities, Net Fair Value Before Cash Collateral	2,031,562		1,087,157
Derivative Liabilities, Cash Collateral	(1,856,527)		(837,419)
Derivative Liabilities, Fair Value, Net of Cash Collateral	175,035		249,738
Not Designated as Hedging Instrument [Member] | Interest rate contracts [Member]
Notional Amount of Derivatives [Abstract]
Derivative Assets, Notional	2,891,638	[1]	2,614,162	[2]
Derivative Liabilities, Notional	2,891,638	[1]	2,614,162	[2]
Derivative Assets, Fair Value, Net [Abstract]
Derivative Assets, Gross Fair Value	97,715		53,881
Derivative Assets, Netting Adjustments	(1,291)		(10,101)
Derivative Assets, Net Fair Value Before Cash Collateral	96,424		43,780
Derivative Assets, Cash Collateral	(65,511)		0
Derviative contracts, net of cash collateral, Assets, Fair value	30,913		43,780
Derivative Liabilities, Fair Value, Net [Abstract]
Derivative Liabilities, Gross Fair Value	97,727		54,062
Derivative Liabilities, Netting Adjustments	(1,291)		(10,101)
Derivative Liabilities, Net Fair Value Before Cash Collateral	96,436		43,961
Derivative Liabilities, Cash Collateral	(7)		(33,870)
Derivative Liabilities, Fair Value, Net of Cash Collateral	96,429		10,091
Not Designated as Hedging Instrument [Member] | Energy contracts [Member]
Notional Amount of Derivatives [Abstract]
Derivative Assets, Notional	9,228,827	[1]	6,360,095	[2]
Derivative Liabilities, Notional	9,403,041	[1]	6,480,840	[2]
Derivative Assets, Fair Value, Net [Abstract]
Derivative Assets, Gross Fair Value	2,499,132		1,168,363
Derivative Assets, Netting Adjustments	(639,879)		(375,624)
Derivative Assets, Net Fair Value Before Cash Collateral	1,859,253		792,739
Derivative Assets, Cash Collateral	(8,390)		0
Derviative contracts, net of cash collateral, Assets, Fair value	1,850,863		792,739
Derivative Liabilities, Fair Value, Net [Abstract]
Derivative Liabilities, Gross Fair Value	2,505,367		1,210,946
Derivative Liabilities, Netting Adjustments	(639,879)		(375,624)
Derivative Liabilities, Net Fair Value Before Cash Collateral	1,865,488		835,322
Derivative Liabilities, Cash Collateral	(1,856,520)		(803,102)
Derivative Liabilities, Fair Value, Net of Cash Collateral	8,968		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	72,169	[1]	216,272	[2]
Derivative Liabilities, Notional	71,531	[1]	208,381	[2]
Derivative Assets, Fair Value, Net [Abstract]
Derivative Assets, Gross Fair Value	70,120		215,148
Derivative Assets, Netting Adjustments	0		0
Derivative Assets, Net Fair Value Before Cash Collateral	70,120		215,148
Derivative Assets, Cash Collateral	(1,226)		0
Derviative contracts, net of cash collateral, Assets, Fair value	68,894		215,148
Derivative Liabilities, Fair Value, Net [Abstract]
Derivative Liabilities, Gross Fair Value	69,228		207,119
Derivative Liabilities, Netting Adjustments	0		0
Derivative Liabilities, Net Fair Value Before Cash Collateral	69,228		207,119
Derivative Liabilities, Cash Collateral	0		(447)
Derivative Liabilities, Fair Value, Net of Cash Collateral	69,228		206,672
Not Designated as Hedging Instrument [Member] | Equity option contracts [Member]
Notional Amount of Derivatives [Abstract]
Derivative Assets, Notional	34,545	[1]	42,136	[2]
Derivative Liabilities, Notional	34,545	[1]	42,136	[2]
Derivative Assets, Fair Value, Net [Abstract]
Derivative Assets, Gross Fair Value	410		755
Derivative Assets, Netting Adjustments	0		0
Derivative Assets, Net Fair Value Before Cash Collateral	410		755
Derivative Assets, Cash Collateral	(202)		(242)
Derviative contracts, net of cash collateral, Assets, Fair value	208		513
Derivative Liabilities, Fair Value, Net [Abstract]
Derivative Liabilities, Gross Fair Value	410		755
Derivative Liabilities, Netting Adjustments	0		0
Derivative Liabilities, Net Fair Value Before Cash Collateral	410		755
Derivative Liabilities, Cash Collateral	0		0
Derivative Liabilities, Fair Value, Net of Cash Collateral	410		755
Not Designated as Hedging Instrument [Member] | Trading [Member]
Notional Amount of Derivatives [Abstract]
Derivative Assets, Notional	23,846,052	[1]	35,592,751	[2]
Derivative Liabilities, Notional	22,713,619	[1]	41,285,649	[2]
Derivative Assets, Fair Value, Net [Abstract]
Derivative Assets, Gross Fair Value	180,773		139,694
Derivative Assets, Netting Adjustments	(140,081)		(104,326)
Derivative Assets, Net Fair Value Before Cash Collateral	40,692		35,368
Derivative Assets, Cash Collateral	0		(721)
Derviative contracts, net of cash collateral, Assets, Fair value	40,692		34,647
Derivative Liabilities, Fair Value, Net [Abstract]
Derivative Liabilities, Gross Fair Value	179,652		152,947
Derivative Liabilities, Netting Adjustments	(140,081)		(104,326)
Derivative Liabilities, Net Fair Value Before Cash Collateral	39,571		48,621
Derivative Liabilities, Cash Collateral	(6,059)		(24,074)
Derivative Liabilities, Fair Value, Net of Cash Collateral	33,512		24,547
Not Designated as Hedging Instrument [Member] | Internal risk management programs [Member]
Notional Amount of Derivatives [Abstract]
Derivative Assets, Notional	105,085	[1]	869,506	[2]
Derivative Liabilities, Notional	111,360	[1]	298,832	[2]
Derivative Assets, Fair Value, Net [Abstract]
Derivative Assets, Gross Fair Value	1,953		10,687
Derivative Assets, Netting Adjustments	(546)		(217)
Derivative Assets, Net Fair Value Before Cash Collateral	1,407		10,470
Derivative Assets, Cash Collateral	0		0
Derviative contracts, net of cash collateral, Assets, Fair value	1,407		10,470
Derivative Liabilities, Fair Value, Net [Abstract]
Derivative Liabilities, Gross Fair Value	6,575		1,557
Derivative Liabilities, Netting Adjustments	(546)		(217)
Derivative Liabilities, Net Fair Value Before Cash Collateral	6,029		1,340
Derivative Liabilities, Cash Collateral	0		0
Derivative Liabilities, Fair Value, Net of Cash Collateral	$ 6,029		$ 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.