Derivatives - Notional and Fair Values (Details) MMBTU in Thousands, Boe in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($) Boe MMBTU company shares	Dec. 31, 2022 USD ($) Boe MMBTU company
Derivative Assets
Derivative assets - Fair value	$ 610,920,000	$ 755,328,000
Less: Master Netting Arrangements	(75,534,000)	(242,745,000)
Less: Cash collateral received or paid	(237,258,000)	(372,038,000)
Derivative asset, after netting	298,128,000	140,545,000
Derivative Liabilities
Derivative liabilities - Fair Value	613,314,000	887,264,000
Less: Master Netting Arrangements	(75,534,000)	(242,745,000)
Less: Cash collateral received/paid	(636,000)	0
Derivative liability, after netting	$ 537,144,000	$ 644,519,000
Rayliant Global Advisors Limited | Performance-Based RSUs
Derivative Liabilities
Derivative liability granted number of shares | shares	349,138
Crude Oil
Derivative Liabilities
Derivative, nonmonetary notional amount, energy measure | Boe	18,631	12,005
Natural Gas
Derivative Liabilities
Derivative, nonmonetary notional amount, energy measure | MMBTU	328,844	247,704
Derivative instruments designated as hedging instruments
Derivative Instruments
Notional Amount	$ 5,331,480,000	$ 3,534,832,000
Derivative Assets
Derivative assets - Fair value	53,815,000	19,045,000
Derivative Liabilities
Derivative liabilities - Fair Value	13,124,000	19,687,000
Derivatives not designated as hedging instruments:
Derivative Instruments
Notional Amount	23,333,449,000	20,056,255,000
Derivative Assets
Derivative assets - Fair value	557,105,000	736,283,000
Derivative Liabilities
Derivative liabilities - Fair Value	600,190,000	867,577,000
Interest rate contracts | Derivatives not designated as hedging instruments:
Derivative Instruments
Notional Amount	17,387,909,000	16,932,414,000
Derivative Assets
Derivative assets - Fair value	423,486,000	426,828,000
Derivative Liabilities
Derivative liabilities - Fair Value	420,812,000	564,829,000
Interest rate contracts | Cash Flow Hedging | Derivative instruments designated as hedging instruments
Derivative Instruments
Notional Amount	5,250,000,000	3,450,000,000
Derivative Assets
Derivative assets - Fair value	50,421,000	13,455,000
Derivative Liabilities
Derivative liabilities - Fair Value	13,124,000	19,687,000
Foreign exchange contracts | Derivatives not designated as hedging instruments:
Derivative Instruments
Notional Amount	5,827,149,000	2,982,891,000
Derivative Assets
Derivative assets - Fair value	53,678,000	47,519,000
Derivative Liabilities
Derivative liabilities - Fair Value	42,564,000	44,117,000
Foreign exchange contracts | Net investment hedges | Derivative instruments designated as hedging instruments
Derivative Instruments
Notional Amount	81,480,000	84,832,000
Derivative Assets
Derivative assets - Fair value	3,394,000	5,590,000
Derivative Liabilities
Derivative liabilities - Fair Value	0	0
Commodity contracts | Derivatives not designated as hedging instruments:
Derivative Instruments
Notional Amount	0	0
Derivative Assets
Derivative assets - Fair value	79,604,000	261,613,000
Derivative Liabilities
Derivative liabilities - Fair Value	121,670,000	258,608,000
Credit Risk Contract | Derivatives not designated as hedging instruments:
Derivative Instruments
Notional Amount	118,391,000	140,950,000
Derivative Assets
Derivative assets - Fair value	1,000	0
Derivative Liabilities
Derivative liabilities - Fair Value	25,000	23,000
Equity contracts | Derivatives not designated as hedging instruments:
Derivative Instruments
Notional Amount	0	0
Derivative Assets
Derivative assets - Fair value	336,000	323,000
Derivative Liabilities
Derivative liabilities - Fair Value	$ 15,119,000	$ 0
Equity, Public Companies | Derivatives not designated as hedging instruments:
Derivative Liabilities
Number of companies that Issued the equity contracts (Issuers Portion Only) | company	1	1
Equity, Private Companies | Derivatives not designated as hedging instruments:
Derivative Liabilities
Number of companies that Issued the equity contracts (Issuers Portion Only) | company	11	13