Derivatives - Schedule of Derivatives Not Designated as Hedging Instruments (Details) MMBTU in Thousands, Boe in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2024 USD ($) MMBTU Boe	Dec. 31, 2023 USD ($) Boe MMBTU
Derivative [Line Items]
Derivative assets - Fair value	$ 523,133	$ 610,920
Derivative liabilities - Fair value	545,885	613,314
Customer-related positions:
Derivative [Line Items]
Notional Amount	10,994,794	11,362,194
Derivative assets - Fair value	39,718	43,195
Derivative liabilities - Fair value	416,216	419,499
Economic hedges:
Derivative [Line Items]
Notional Amount	11,212,047	11,852,864
Derivative assets - Fair value	429,029	433,969
Derivative liabilities - Fair value	33,999	43,877
Interest rate contracts | Customer-related positions:
Derivative [Line Items]
Notional Amount	8,493,839	8,681,085
Derivative assets - Fair value	11,908	26,089
Derivative liabilities - Fair value	366,649	394,625
Interest rate contracts | Economic hedges:
Derivative [Line Items]
Notional Amount	8,511,542	8,706,824
Derivative assets - Fair value	367,756	397,397
Derivative liabilities - Fair value	12,312	26,187
Interest rate contracts | Swaps | Customer-related positions:
Derivative [Line Items]
Notional Amount	6,854,372	6,835,822
Derivative assets - Fair value	11,828	25,649
Derivative liabilities - Fair value	361,256	377,388
Interest rate contracts | Swaps | Economic hedges:
Derivative [Line Items]
Notional Amount	6,872,075	6,861,561
Derivative assets - Fair value	362,323	380,123
Derivative liabilities - Fair value	12,228	25,731
Interest rate contracts | Written options | Customer-related positions:
Derivative [Line Items]
Notional Amount	1,458,428	1,522,531
Derivative assets - Fair value	0	0
Derivative liabilities - Fair value	4,953	12,756
Interest rate contracts | Collars and corridors | Customer-related positions:
Derivative [Line Items]
Notional Amount	181,039	322,732
Derivative assets - Fair value	80	440
Derivative liabilities - Fair value	440	4,481
Interest rate contracts | Collars and corridors | Economic hedges:
Derivative [Line Items]
Notional Amount	181,039	322,732
Derivative assets - Fair value	443	4,491
Derivative liabilities - Fair value	84	456
Interest rate contracts | Purchased options | Economic hedges:
Derivative [Line Items]
Notional Amount	1,458,428	1,522,531
Derivative assets - Fair value	4,990	12,783
Derivative liabilities - Fair value	0	0
Foreign exchange contracts | Customer-related positions:
Derivative [Line Items]
Notional Amount	2,500,955	2,681,109
Derivative assets - Fair value	27,810	17,106
Derivative liabilities - Fair value	49,567	24,874
Foreign exchange contracts | Economic hedges:
Derivative [Line Items]
Notional Amount	2,700,505	3,146,040
Derivative assets - Fair value	61,273	36,572
Derivative liabilities - Fair value	21,687	17,690
Foreign exchange contracts | Swaps | Customer-related positions:
Derivative [Line Items]
Notional Amount	1,504,469	1,588,491
Derivative assets - Fair value	16,117	5,801
Derivative liabilities - Fair value	25,366	18,118
Foreign exchange contracts | Swaps | Economic hedges:
Derivative [Line Items]
Notional Amount	2,613,755	2,862,037
Derivative assets - Fair value	58,955	36,280
Derivative liabilities - Fair value	19,949	15,757
Foreign exchange contracts | Written options | Economic hedges:
Derivative [Line Items]
Notional Amount	0	136,000
Derivative assets - Fair value	0	0
Derivative liabilities - Fair value	0	1,839
Foreign exchange contracts | Forwards and spot | Customer-related positions:
Derivative [Line Items]
Notional Amount	996,486	956,618
Derivative assets - Fair value	11,693	9,466
Derivative liabilities - Fair value	24,201	6,756
Foreign exchange contracts | Forwards and spot | Economic hedges:
Derivative [Line Items]
Notional Amount	86,750	148,003
Derivative assets - Fair value	2,318	292
Derivative liabilities - Fair value	1,738	94
Foreign exchange contracts | Purchased options | Customer-related positions:
Derivative [Line Items]
Notional Amount	0	136,000
Derivative assets - Fair value	0	1,839
Derivative liabilities - Fair value	0	0
Commodity contracts | Customer-related positions:
Derivative [Line Items]
Derivative assets - Fair value	25,609	6,014
Derivative liabilities - Fair value	32,500	114,974
Commodity contracts | Customer-related positions: | Crude Oil
Derivative [Line Items]
Derivative assets - Fair value	6,286	5,555
Derivative liabilities - Fair value	$ 10,236	$ 20,548
Derivative, nonmonetary notional amount, energy measure | Boe	10,307	9,243
Commodity contracts | Customer-related positions: | Natural Gas
Derivative [Line Items]
Derivative assets - Fair value	$ 19,323	$ 459
Derivative liabilities - Fair value	$ 22,264	$ 94,426
Derivative, nonmonetary notional amount, energy measure | MMBTU	205,015	166,053
Commodity contracts | Economic hedges:
Derivative [Line Items]
Derivative assets - Fair value	$ 22,890	$ 73,590
Derivative liabilities - Fair value	12,828	6,696
Commodity contracts | Economic hedges: | Crude Oil
Derivative [Line Items]
Derivative assets - Fair value	6,026	10,851
Derivative liabilities - Fair value	$ 3,969	$ 6,391
Derivative, nonmonetary notional amount, energy measure | Boe	10,307	9,388
Commodity contracts | Economic hedges: | Natural Gas
Derivative [Line Items]
Derivative assets - Fair value	$ 16,864	$ 62,739
Derivative liabilities - Fair value	$ 8,859	$ 305
Derivative, nonmonetary notional amount, energy measure | MMBTU	201,711	162,791
Commodity contracts | Swaps | Customer-related positions: | Crude Oil
Derivative [Line Items]
Derivative assets - Fair value	$ 4,682	$ 3,735
Derivative liabilities - Fair value	$ 6,874	$ 15,445
Derivative, nonmonetary notional amount, energy measure | Boe	4,830	3,277
Commodity contracts | Swaps | Customer-related positions: | Natural Gas
Derivative [Line Items]
Derivative assets - Fair value	$ 13,095	$ 438
Derivative liabilities - Fair value	$ 17,708	$ 73,793
Derivative, nonmonetary notional amount, energy measure | MMBTU	141,736	118,325
Commodity contracts | Swaps | Economic hedges: | Crude Oil
Derivative [Line Items]
Derivative assets - Fair value	$ 4,479	$ 9,166
Derivative liabilities - Fair value	$ 3,893	$ 4,924
Derivative, nonmonetary notional amount, energy measure | Boe	4,830	3,422
Commodity contracts | Swaps | Economic hedges: | Natural Gas
Derivative [Line Items]
Derivative assets - Fair value	$ 13,323	$ 49,941
Derivative liabilities - Fair value	$ 5,056	$ 305
Derivative, nonmonetary notional amount, energy measure | MMBTU	139,136	116,463
Commodity contracts | Written options | Customer-related positions: | Natural Gas
Derivative [Line Items]
Derivative assets - Fair value	$ 167	$ 0
Derivative liabilities - Fair value	$ 0	$ 233
Derivative, nonmonetary notional amount, energy measure | MMBTU	1,234	1,874
Commodity contracts | Collars | Customer-related positions: | Crude Oil
Derivative [Line Items]
Derivative assets - Fair value	$ 1,604	$ 1,820
Derivative liabilities - Fair value	$ 3,362	$ 5,103
Derivative, nonmonetary notional amount, energy measure | Boe	5,477	5,966
Commodity contracts | Collars | Customer-related positions: | Natural Gas
Derivative [Line Items]
Derivative assets - Fair value	$ 6,061	$ 21
Derivative liabilities - Fair value	$ 4,556	$ 20,400
Derivative, nonmonetary notional amount, energy measure | MMBTU	62,045	45,854
Commodity contracts | Collars | Economic hedges: | Crude Oil
Derivative [Line Items]
Derivative assets - Fair value	$ 1,547	$ 1,685
Derivative liabilities - Fair value	$ 76	$ 1,467
Derivative, nonmonetary notional amount, energy measure | Boe	5,477	5,966
Commodity contracts | Collars | Economic hedges: | Natural Gas
Derivative [Line Items]
Derivative assets - Fair value	$ 3,541	$ 12,565
Derivative liabilities - Fair value	$ 3,650	$ 0
Derivative, nonmonetary notional amount, energy measure | MMBTU	61,341	44,454
Commodity contracts | Purchased options | Economic hedges: | Natural Gas
Derivative [Line Items]
Derivative assets - Fair value	$ 0	$ 233
Derivative liabilities - Fair value	$ 153	$ 0
Derivative, nonmonetary notional amount, energy measure | MMBTU	1,234	1,874