Derivatives - Notional and Fair Values (Details) MMBTU in Thousands, Boe in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2023 USD ($) company shares	Sep. 30, 2023 USD ($) MMBTU Boe company shares	Dec. 31, 2022 USD ($) Boe MMBTU company
Derivative Assets
Derivative assets - Fair value	$ 862,316,000	$ 862,316,000	$ 755,328,000
Less: Master Netting Arrangements	(260,648,000)	(260,648,000)	(242,745,000)
Less: Cash collateral received	(269,683,000)	(269,683,000)	(372,038,000)
Net derivative assets	331,985,000	331,985,000	140,545,000
Derivative Liabilities
Gross amounts recognized	948,387,000	948,387,000	887,264,000
Less: Master Netting Arrangements	(260,648,000)	(260,648,000)	(242,745,000)
Amount used to offset against derivative liabilities	(2,225,000)	(2,225,000)	0
Net derivative liabilities	$ 685,514,000	$ 685,514,000	$ 644,519,000
Rayliant Global Advisors Limited
Derivative Liabilities
Asset Acquisition, Contingent Consideration, Number of Shares | shares	349,138
Performance-Based RSUs
Derivative Liabilities
Vested (in shares) | shares		152,558
Crude oil
Derivative Liabilities
Derivative, nonmonetary notional amount, energy measure | Boe		20,672	12,005
Natural gas
Derivative Liabilities
Derivative, nonmonetary notional amount, energy measure | MMBTU		363,020	247,704
Derivative instruments designated as hedging instruments
Derivative Instruments
Notional amount	$ 5,081,480,000	$ 5,081,480,000	$ 3,534,832,000
Derivative Assets
Derivative assets - Fair value	4,997,000	4,997,000	19,045,000
Derivative Liabilities
Gross amounts recognized	96,382,000	96,382,000	19,687,000
Derivatives not designated as hedging instruments
Derivative Instruments
Notional amount	22,804,812,000	22,804,812,000	20,056,255,000
Derivative Assets
Derivative assets - Fair value	857,319,000	857,319,000	736,283,000
Derivative Liabilities
Gross amounts recognized	852,005,000	852,005,000	867,577,000
Interest rate contracts | Derivatives not designated as hedging instruments
Derivative Instruments
Notional amount	17,456,102,000	17,456,102,000	16,932,414,000
Derivative Assets
Derivative assets - Fair value	622,799,000	622,799,000	426,828,000
Derivative Liabilities
Gross amounts recognized	615,920,000	615,920,000	564,829,000
Interest rate contracts | Cash Flow Hedging | Derivative instruments designated as hedging instruments
Derivative Instruments
Notional amount	5,000,000,000	5,000,000,000	3,450,000,000
Derivative Assets
Derivative assets - Fair value	1,288,000	1,288,000	13,455,000
Derivative Liabilities
Gross amounts recognized	96,382,000	96,382,000	19,687,000
Foreign exchange contracts | Derivatives not designated as hedging instruments
Derivative Instruments
Notional amount	5,205,007,000	5,205,007,000	2,982,891,000
Derivative Assets
Derivative assets - Fair value	96,668,000	96,668,000	47,519,000
Derivative Liabilities
Gross amounts recognized	77,099,000	77,099,000	44,117,000
Foreign exchange contracts | Net Investment Hedging | Derivative instruments designated as hedging instruments
Derivative Instruments
Notional amount	81,480,000	81,480,000	84,832,000
Derivative Assets
Derivative assets - Fair value	3,709,000	3,709,000	5,590,000
Derivative Liabilities
Gross amounts recognized	0	0	0
Commodity contracts | Derivatives not designated as hedging instruments
Derivative Instruments
Notional amount	0	0	0
Derivative Assets
Derivative assets - Fair value	137,500,000	137,500,000	261,613,000
Derivative Liabilities
Gross amounts recognized	143,855,000	143,855,000	258,608,000
Credit contracts | Derivatives not designated as hedging instruments
Derivative Instruments
Notional amount	143,703,000	143,703,000	140,950,000
Derivative Assets
Derivative assets - Fair value	0	0	0
Derivative Liabilities
Gross amounts recognized	12,000	12,000	23,000
Equity contracts | Derivatives not designated as hedging instruments
Derivative Instruments
Notional amount	0	0	0
Derivative Assets
Derivative assets - Fair value	352,000	352,000	323,000
Derivative Liabilities
Gross amounts recognized	$ 15,119,000	$ 15,119,000	$ 0
Equity, Public Companies | Derivatives not designated as hedging instruments
Derivative Liabilities
Number of companies that issued the equity (issuers portion only) | company	1	1	1
Equity, Private Companies | Derivatives not designated as hedging instruments
Derivative Liabilities
Number of companies that issued the equity (issuers portion only) | company	13	13	13