Derivatives, Fair Value of Derivatives Contracts (Details) - USD ($) $ in Thousands	Sep. 30, 2022		Dec. 31, 2021
Derivative Assets, Fair Value, Net [Abstract]
Derviative contracts, net of cash collateral, Assets, Fair value	$ 1,693,742		$ 1,097,297
Derivative Liabilities, Fair Value, Net [Abstract]
Derivative Liabilities, Fair Value, Net of Cash Collateral	821,275		275,625
Not Designated as Hedging Instrument [Member]
Notional Amount of Derivatives [Abstract]
Derivative Assets, Notional	31,925,278	[1]	45,694,922	[2]
Derivative Liabilities, Notional	30,171,405	[1]	50,930,000	[2]
Derivative Assets, Fair Value, Net [Abstract]
Derivative Assets, Gross Fair Value	2,826,379		1,588,528
Derivative Assets, Netting Adjustments	(984,509)		(490,268)
Derivative Assets, Net Fair Value Before Cash Collateral	1,841,870		1,098,260
Derivative Assets, Cash Collateral	(148,128)		(963)
Derviative contracts, net of cash collateral, Assets, Fair value	1,693,742		1,097,297
Derivative Liabilities, Fair Value, Net [Abstract]
Derivative Liabilities, Gross Fair Value	2,815,066		1,627,386
Derivative Liabilities, Netting Adjustments	(984,509)		(490,268)
Derivative Liabilities, Net Fair Value Before Cash Collateral	1,830,557		1,137,118
Derivative Liabilities, Cash Collateral	(1,009,282)		(861,493)
Derivative Liabilities, Fair Value, Net of Cash Collateral	821,275		275,625
Not Designated as Hedging Instrument [Member] | Total customer risk management programs
Notional Amount of Derivatives [Abstract]
Derivative Assets, Notional	11,362,080	[1]	9,232,665	[2]
Derivative Liabilities, Notional	11,687,920	[1]	9,345,519	[2]
Derivative Assets, Fair Value, Net [Abstract]
Derivative Assets, Gross Fair Value	2,234,303		1,438,147
Derivative Assets, Netting Adjustments	(766,029)		(385,725)
Derivative Assets, Net Fair Value Before Cash Collateral	1,468,274		1,052,422
Derivative Assets, Cash Collateral	(147,779)		(242)
Derviative contracts, net of cash collateral, Assets, Fair value	1,320,495		1,052,180
Derivative Liabilities, Fair Value, Net [Abstract]
Derivative Liabilities, Gross Fair Value	2,266,205		1,472,882
Derivative Liabilities, Netting Adjustments	(766,029)		(385,725)
Derivative Liabilities, Net Fair Value Before Cash Collateral	1,500,176		1,087,157
Derivative Liabilities, Cash Collateral	(984,924)		(837,419)
Derivative Liabilities, Fair Value, Net of Cash Collateral	515,252		249,738
Not Designated as Hedging Instrument [Member] | Interest rate contracts [Member]
Notional Amount of Derivatives [Abstract]
Derivative Assets, Notional	2,679,510	[1]	2,614,162	[2]
Derivative Liabilities, Notional	2,679,510	[1]	2,614,162	[2]
Derivative Assets, Fair Value, Net [Abstract]
Derivative Assets, Gross Fair Value	170,252		53,881
Derivative Assets, Netting Adjustments	0		(10,101)
Derivative Assets, Net Fair Value Before Cash Collateral	170,252		43,780
Derivative Assets, Cash Collateral	(109,758)		0
Derviative contracts, net of cash collateral, Assets, Fair value	60,494		43,780
Derivative Liabilities, Fair Value, Net [Abstract]
Derivative Liabilities, Gross Fair Value	170,252		54,062
Derivative Liabilities, Netting Adjustments	0		(10,101)
Derivative Liabilities, Net Fair Value Before Cash Collateral	170,252		43,961
Derivative Liabilities, Cash Collateral	0		(33,870)
Derivative Liabilities, Fair Value, Net of Cash Collateral	170,252		10,091
Not Designated as Hedging Instrument [Member] | Energy contracts [Member]
Notional Amount of Derivatives [Abstract]
Derivative Assets, Notional	8,408,274	[1]	6,360,095	[2]
Derivative Liabilities, Notional	8,735,189	[1]	6,480,840	[2]
Derivative Assets, Fair Value, Net [Abstract]
Derivative Assets, Gross Fair Value	1,826,832		1,168,363
Derivative Assets, Netting Adjustments	(766,029)		(375,624)
Derivative Assets, Net Fair Value Before Cash Collateral	1,060,803		792,739
Derivative Assets, Cash Collateral	(35,907)		0
Derviative contracts, net of cash collateral, Assets, Fair value	1,024,896		792,739
Derivative Liabilities, Fair Value, Net [Abstract]
Derivative Liabilities, Gross Fair Value	1,860,112		1,210,946
Derivative Liabilities, Netting Adjustments	(766,029)		(375,624)
Derivative Liabilities, Net Fair Value Before Cash Collateral	1,094,083		835,322
Derivative Liabilities, Cash Collateral	(984,924)		(803,102)
Derivative Liabilities, Fair Value, Net of Cash Collateral	109,159		32,220
Not Designated as Hedging Instrument [Member] | Foreign exchange contracts [Member]
Notional Amount of Derivatives [Abstract]
Derivative Assets, Notional	243,059	[1]	216,272	[2]
Derivative Liabilities, Notional	241,984	[1]	208,381	[2]
Derivative Assets, Fair Value, Net [Abstract]
Derivative Assets, Gross Fair Value	237,031		215,148
Derivative Assets, Netting Adjustments	0		0
Derivative Assets, Net Fair Value Before Cash Collateral	237,031		215,148
Derivative Assets, Cash Collateral	(2,023)		0
Derviative contracts, net of cash collateral, Assets, Fair value	235,008		215,148
Derivative Liabilities, Fair Value, Net [Abstract]
Derivative Liabilities, Gross Fair Value	235,653		207,119
Derivative Liabilities, Netting Adjustments	0		0
Derivative Liabilities, Net Fair Value Before Cash Collateral	235,653		207,119
Derivative Liabilities, Cash Collateral	0		(447)
Derivative Liabilities, Fair Value, Net of Cash Collateral	235,653		206,672
Not Designated as Hedging Instrument [Member] | Equity option contracts [Member]
Notional Amount of Derivatives [Abstract]
Derivative Assets, Notional	31,237	[1]	42,136	[2]
Derivative Liabilities, Notional	31,237	[1]	42,136	[2]
Derivative Assets, Fair Value, Net [Abstract]
Derivative Assets, Gross Fair Value	188		755
Derivative Assets, Netting Adjustments	0		0
Derivative Assets, Net Fair Value Before Cash Collateral	188		755
Derivative Assets, Cash Collateral	(91)		(242)
Derviative contracts, net of cash collateral, Assets, Fair value	97		513
Derivative Liabilities, Fair Value, Net [Abstract]
Derivative Liabilities, Gross Fair Value	188		755
Derivative Liabilities, Netting Adjustments	0		0
Derivative Liabilities, Net Fair Value Before Cash Collateral	188		755
Derivative Liabilities, Cash Collateral	0		0
Derivative Liabilities, Fair Value, Net of Cash Collateral	188		755
Not Designated as Hedging Instrument [Member] | Trading [Member]
Notional Amount of Derivatives [Abstract]
Derivative Assets, Notional	20,478,198	[1]	35,592,751	[2]
Derivative Liabilities, Notional	18,089,890	[1]	41,285,649	[2]
Derivative Assets, Fair Value, Net [Abstract]
Derivative Assets, Gross Fair Value	588,982		139,694
Derivative Assets, Netting Adjustments	(217,095)		(104,326)
Derivative Assets, Net Fair Value Before Cash Collateral	371,887		35,368
Derivative Assets, Cash Collateral	(349)		(721)
Derviative contracts, net of cash collateral, Assets, Fair value	371,538		34,647
Derivative Liabilities, Fair Value, Net [Abstract]
Derivative Liabilities, Gross Fair Value	537,052		152,947
Derivative Liabilities, Netting Adjustments	(217,095)		(104,326)
Derivative Liabilities, Net Fair Value Before Cash Collateral	319,957		48,621
Derivative Liabilities, Cash Collateral	(24,358)		(24,074)
Derivative Liabilities, Fair Value, Net of Cash Collateral	295,599		24,547
Not Designated as Hedging Instrument [Member] | Internal risk management programs [Member]
Notional Amount of Derivatives [Abstract]
Derivative Assets, Notional	85,000	[1]	869,506	[2]
Derivative Liabilities, Notional	393,595	[1]	298,832	[2]
Derivative Assets, Fair Value, Net [Abstract]
Derivative Assets, Gross Fair Value	3,094		10,687
Derivative Assets, Netting Adjustments	(1,385)		(217)
Derivative Assets, Net Fair Value Before Cash Collateral	1,709		10,470
Derivative Assets, Cash Collateral	0		0
Derviative contracts, net of cash collateral, Assets, Fair value	1,709		10,470
Derivative Liabilities, Fair Value, Net [Abstract]
Derivative Liabilities, Gross Fair Value	11,809		1,557
Derivative Liabilities, Netting Adjustments	(1,385)		(217)
Derivative Liabilities, Net Fair Value Before Cash Collateral	10,424		1,340
Derivative Liabilities, Cash Collateral	0		0
Derivative Liabilities, Fair Value, Net of Cash Collateral	$ 10,424		$ 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.