Derivatives - Derivatives Not Designated as Hedging Instruments (Details) MMBTU in Thousands, Boe in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) Boe MMBTU	Dec. 31, 2021 USD ($) Boe MMBTU
Derivative [Line Items]
Derivative assets - Fair value	$ 755,328	$ 484,184
Derivative liabilities - Fair Value	$ 887,264	$ 390,171
Crude Oil
Derivative [Line Items]
Derivative, nonmonetary notional amount, energy measure | Boe	12,005	17,924
Natural Gas
Derivative [Line Items]
Derivative, nonmonetary notional amount, energy measure | MMBTU	247,704	218,770
Customer-related positions:
Derivative [Line Items]
Notional amount	$ 10,158,784	$ 9,760,142
Derivative assets - Fair value	27,146	227,723
Derivative liabilities - Fair Value	592,060	51,903
Other economic hedges:
Derivative [Line Items]
Notional amount	9,756,521	9,689,959
Derivative assets - Fair value	447,201	33,532
Derivative liabilities - Fair Value	16,886	143,278
Interest rate contracts | Customer-related positions:
Derivative [Line Items]
Notional amount	8,420,422	8,773,091
Derivative assets - Fair value	1,438	212,999
Derivative liabilities - Fair Value	561,547	42,440
Interest rate contracts | Other economic hedges:
Derivative [Line Items]
Notional amount	8,511,992	8,802,329
Derivative assets - Fair value	425,390	27,223
Derivative liabilities - Fair Value	3,282	137,465
Interest rate contracts | Swaps | Customer-related positions:
Derivative [Line Items]
Notional amount	6,656,491	7,460,836
Derivative assets - Fair value	1,438	211,727
Derivative liabilities - Fair Value	521,719	39,650
Interest rate contracts | Swaps | Other economic hedges:
Derivative [Line Items]
Notional amount	6,683,828	7,490,074
Derivative assets - Fair value	384,201	24,418
Derivative liabilities - Fair Value	2,047	136,190
Interest rate contracts | Collars and corridors | Customer-related positions:
Derivative [Line Items]
Notional amount	215,773	194,181
Derivative assets - Fair value	0	1,272
Derivative liabilities - Fair Value	8,924	642
Interest rate contracts | Collars and corridors | Other economic hedges:
Derivative [Line Items]
Notional amount	215,772	194,181
Derivative assets - Fair value	8,956	646
Derivative liabilities - Fair Value	0	1,275
Interest rate contracts | Purchased options | Other economic hedges:
Derivative [Line Items]
Notional amount	1,580,275	1,118,074
Derivative assets - Fair value	32,233	2,159
Derivative liabilities - Fair Value	0	0
Interest rate contracts | Written options | Customer-related positions:
Derivative [Line Items]
Notional amount	1,548,158	1,118,074
Derivative assets - Fair value	0	0
Derivative liabilities - Fair Value	30,904	2,148
Interest rate contracts | Written options | Other economic hedges:
Derivative [Line Items]
Notional amount	32,117	0
Derivative assets - Fair value	0	0
Derivative liabilities - Fair Value	1,235	0
Commodity contracts | Customer-related positions:
Derivative [Line Items]
Derivative assets - Fair value	171,082	165,246
Derivative liabilities - Fair Value	100,333	4,399
Commodity contracts | Customer-related positions: | Crude Oil
Derivative [Line Items]
Derivative assets - Fair value	56,551	105,155
Derivative liabilities - Fair Value	$ 8,808	$ 166
Derivative, nonmonetary notional amount, energy measure | Boe	5,476	7,519
Commodity contracts | Customer-related positions: | Natural Gas
Derivative [Line Items]
Derivative assets - Fair value	$ 114,531	$ 60,091
Derivative liabilities - Fair Value	$ 91,525	$ 4,233
Derivative, nonmonetary notional amount, energy measure | MMBTU	124,662	83,274
Commodity contracts | Other economic hedges:
Derivative [Line Items]
Derivative assets - Fair value	$ 90,531	$ 57,463
Derivative liabilities - Fair Value	158,275	190,168
Commodity contracts | Other economic hedges: | Crude Oil
Derivative [Line Items]
Derivative assets - Fair value	8,313	27,524
Derivative liabilities - Fair Value	$ 49,432	$ 116,203
Derivative, nonmonetary notional amount, energy measure | Boe	6,529	10,405
Commodity contracts | Other economic hedges: | Natural Gas
Derivative [Line Items]
Derivative assets - Fair value	$ 82,218	$ 29,939
Derivative liabilities - Fair Value	$ 108,843	$ 73,965
Derivative, nonmonetary notional amount, energy measure | MMBTU	123,042	135,496
Commodity contracts | Swaps | Customer-related positions: | Crude Oil
Derivative [Line Items]
Derivative assets - Fair value	$ 39,955	$ 71,242
Derivative liabilities - Fair Value	$ 6,178	$ 60
Derivative, nonmonetary notional amount, energy measure | Boe	2,465	4,682
Commodity contracts | Swaps | Customer-related positions: | Natural Gas
Derivative [Line Items]
Derivative assets - Fair value	$ 112,314	$ 49,188
Derivative liabilities - Fair Value	$ 73,208	$ 3,775
Derivative, nonmonetary notional amount, energy measure | MMBTU	92,590	58,959
Commodity contracts | Swaps | Other economic hedges: | Crude Oil
Derivative [Line Items]
Derivative assets - Fair value	$ 6,935	$ 27,524
Derivative liabilities - Fair Value	$ 36,060	$ 82,723
Derivative, nonmonetary notional amount, energy measure | Boe	2,587	7,517
Commodity contracts | Swaps | Other economic hedges: | Natural Gas
Derivative [Line Items]
Derivative assets - Fair value	$ 69,767	$ 28,803
Derivative liabilities - Fair Value	$ 106,883	$ 63,029
Derivative, nonmonetary notional amount, energy measure | MMBTU	91,900	109,567
Commodity contracts | Collars | Customer-related positions: | Crude Oil
Derivative [Line Items]
Derivative assets - Fair value	$ 16,038	$ 33,826
Derivative liabilities - Fair Value	$ 2,630	$ 106
Derivative, nonmonetary notional amount, energy measure | Boe	3,011	2,837
Commodity contracts | Collars | Customer-related positions: | Natural Gas
Derivative [Line Items]
Derivative assets - Fair value	$ 2,217	$ 10,903
Derivative liabilities - Fair Value	$ 18,317	$ 458
Derivative, nonmonetary notional amount, energy measure | MMBTU	32,072	24,315
Commodity contracts | Collars | Other economic hedges: | Crude Oil
Derivative [Line Items]
Derivative assets - Fair value	$ 1,378	$ 0
Derivative liabilities - Fair Value	$ 12,856	$ 33,399
Derivative, nonmonetary notional amount, energy measure | Boe	3,942	2,888
Commodity contracts | Collars | Other economic hedges: | Natural Gas
Derivative [Line Items]
Derivative assets - Fair value	$ 12,451	$ 1,136
Derivative liabilities - Fair Value	$ 1,960	$ 10,936
Derivative, nonmonetary notional amount, energy measure | MMBTU	31,142	25,929
Commodity contracts | Written Options | Customer-related positions: | Crude Oil
Derivative [Line Items]
Derivative assets - Fair value	$ 558	$ 87
Derivative liabilities - Fair Value	$ 0	$ 0
Derivative, nonmonetary notional amount, energy measure | Boe	0	0
Commodity contracts | Purchased options | Other economic hedges: | Crude Oil
Derivative [Line Items]
Derivative assets - Fair value	$ 0	$ 0
Derivative liabilities - Fair Value	$ 516	$ 81
Derivative, nonmonetary notional amount, energy measure | Boe	0	0
Foreign exchange contracts | Customer-related positions:
Derivative [Line Items]
Notional amount	$ 1,738,362	$ 987,051
Derivative assets - Fair value	25,708	14,724
Derivative liabilities - Fair Value	30,513	9,463
Foreign exchange contracts | Other economic hedges:
Derivative [Line Items]
Notional amount	1,244,529	887,630
Derivative assets - Fair value	21,811	6,309
Derivative liabilities - Fair Value	13,604	5,813
Foreign exchange contracts | Swaps | Customer-related positions:
Derivative [Line Items]
Notional amount	623,143	66,474
Derivative assets - Fair value	6,629	1,034
Derivative liabilities - Fair Value	12,178	17
Foreign exchange contracts | Swaps | Other economic hedges:
Derivative [Line Items]
Notional amount	1,044,900	599,654
Derivative assets - Fair value	18,516	4,745
Derivative liabilities - Fair Value	11,447	3,116
Foreign exchange contracts | Forwards and spot | Customer-related positions:
Derivative [Line Items]
Notional amount	993,588	900,290
Derivative assets - Fair value	17,009	13,688
Derivative liabilities - Fair Value	18,090	9,446
Foreign exchange contracts | Forwards and spot | Other economic hedges:
Derivative [Line Items]
Notional amount	77,998	267,689
Derivative assets - Fair value	3,050	1,564
Derivative liabilities - Fair Value	87	2,695
Foreign exchange contracts | Other | Customer-related positions:
Derivative [Line Items]
Notional amount	121,631	20,287
Derivative assets - Fair value	2,070	2
Derivative liabilities - Fair Value	245	0
Foreign exchange contracts | Other | Other economic hedges:
Derivative [Line Items]
Notional amount	121,631	20,287
Derivative assets - Fair value	245	0
Derivative liabilities - Fair Value	$ 2,070	$ 2