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Derivatives - Notional and Fair Values (Details) MMBTU in Thousands, Boe in Thousands, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 USD ($) MMBTU Boe company shares | Dec. 31, 2023 USD ($) Boe MMBTU company
Derivative Assets |  |
Derivative assets - Fair value | $ 622,238 | $ 610,920
Less: Master Netting Arrangements | (132,555) | (75,534)
Less: Cash collateral received | (356,707) | (237,258)
Net derivative assets | 132,976 | 298,128
Derivative Liabilities |  |
Gross amounts recognized | 693,548 | 613,314
Less: Master Netting Arrangements | (132,555) | (75,534)
Amount used to offset against derivative liabilities | (2,408) | (636)
Net derivative liabilities | $ 558,585 | $ 537,144
Performance-Based RSUs | Rayliant Global Advisors Limited |  |
Derivative Liabilities |  |
Derivative liability granted number of shares | shares | 349,138 |
Crude oil |  |
Derivative Liabilities |  |
Derivative, nonmonetary notional amount, energy measure | Boe | 18,468 | 18,631
Natural gas |  |
Derivative Liabilities |  |
Derivative, nonmonetary notional amount, energy measure | MMBTU | 350,942 | 328,844
Derivative instruments designated as hedging instruments |  |
Derivative Instruments |  |
Notional amount | $ 5,250,000 | $ 5,331,480
Derivative Assets |  |
Derivative assets - Fair value | 15,707 | 53,815
Derivative Liabilities |  |
Gross amounts recognized | 49,616 | 13,124
Derivatives not designated as hedging instruments |  |
Derivative Instruments |  |
Notional amount | 21,927,035 | 23,333,449
Derivative Assets |  |
Derivative assets - Fair value | 606,531 | 557,105
Derivative Liabilities |  |
Gross amounts recognized | 643,932 | 600,190
Interest rate contracts | Derivatives not designated as hedging instruments |  |
Derivative Instruments |  |
Notional amount | 16,910,462 | 17,387,909
Derivative Assets |  |
Derivative assets - Fair value | 469,087 | 423,486
Derivative Liabilities |  |
Gross amounts recognized | 468,714 | 420,812
Interest rate contracts | Cash Flow Hedging | Derivative instruments designated as hedging instruments |  |
Derivative Instruments |  |
Notional amount | 5,250,000 | 5,250,000
Derivative Assets |  |
Derivative assets - Fair value | 15,707 | 50,421
Derivative Liabilities |  |
Gross amounts recognized | 49,616 | 13,124
Foreign exchange contracts | Derivatives not designated as hedging instruments |  |
Derivative Instruments |  |
Notional amount | 4,898,429 | 5,827,149
Derivative Assets |  |
Derivative assets - Fair value | 60,499 | 53,678
Derivative Liabilities |  |
Gross amounts recognized | 53,153 | 42,564
Foreign exchange contracts | Net Investment Hedging | Derivative instruments designated as hedging instruments |  |
Derivative Instruments |  |
Notional amount | 0 | 81,480
Derivative Assets |  |
Derivative assets - Fair value | 0 | 3,394
Derivative Liabilities |  |
Gross amounts recognized | 0 | 0
Commodity contracts | Derivatives not designated as hedging instruments |  |
Derivative Instruments |  |
Notional amount | 0 | 0
Derivative Assets |  |
Derivative assets - Fair value | 76,615 | 79,604
Derivative Liabilities |  |
Gross amounts recognized | 106,930 | 121,670
Credit contracts | Derivatives not designated as hedging instruments |  |
Derivative Instruments |  |
Notional amount | 118,144 | 118,391
Derivative Assets |  |
Derivative assets - Fair value | 0 | 1
Derivative Liabilities |  |
Gross amounts recognized | 16 | 25
Equity contracts | Derivatives not designated as hedging instruments |  |
Derivative Instruments |  |
Notional amount | 0 | 0
Derivative Assets |  |
Derivative assets - Fair value | 330 | 336
Derivative Liabilities |  |
Gross amounts recognized | $ 15,119 | $ 15,119
Public Companies | Derivatives not designated as hedging instruments |  |
Derivative Liabilities |  |
Number of companies that issued the equity (issuers portion only) | company | 1 | 1
Private Companies | Derivatives not designated as hedging instruments |  |
Derivative Liabilities |  |
Number of companies that issued the equity (issuers portion only) | company | 11 | 11

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