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v3.23.1

Fair Value Measurements, Recurring (Details) - Fair Value, Recurring [Member] - USD ($) $ in Millions | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Assets |  |
Investments in AFS debt securities | $ 224 | $ 221
Total gross fair value, assets | 919 | 1,133
Effect of counterparty netting | (425) | (705)
Effect of cash collateral netting | (74) | (8)
Net carrying value on Balance Sheet, assets | 420 | 420
Liabilities |  |
Blending program obligations | 46 | 55
Total gross fair value, liabilities | 485 | 766
Effect of counterparty netting | (425) | (705)
Effect of cash collateral netting | 0 | 0
Net carrying value on Balance Sheet, liabilities | 60 | 61
Cash and Cash Equivalents [Member] |  |
Assets |  |
Investments in AFS debt securities | 98 | 125
Prepaid Expenses and Other [Member] |  |
Assets |  |
Investments in AFS debt securities | 126 | 96
Assets Held in Trust [Member] |  |
Assets |  |
Investments of certain benefit plans | 77 | 78
Commodity Contracts [Member] |  |
Assets |  |
Derivative contracts | 616 | 830
Effect of counterparty netting | (425) | (705)
Effect of cash collateral netting | (74) | (8)
Derivative contracts, net assets | 117 | 117
Cash collateral received not offset | 0 | 0
Liabilities |  |
Derivative contracts | 425 | 705
Effect of counterparty netting | (425) | (705)
Effect of cash collateral netting | 0 | 0
Derivative contracts, net liabilities | 0 | 0
Cash collateral paid not offset | (1) | (149)
Physical Purchase Contracts [Member] |  |
Assets |  |
Derivative contracts, not subject to netting | 2 | 4
Liabilities |  |
Derivative contracts, not subject to netting | 5 | 4
Foreign Currency Contracts [Member] |  |
Liabilities |  |
Derivative contracts, not subject to netting | 9 | 2
Fair Value, Inputs, Level 1 [Member] |  |
Assets |  |
Investments in AFS debt securities | 85 | 56
Total gross fair value, assets | 772 | 958
Liabilities |  |
Blending program obligations | 0 | 0
Total gross fair value, liabilities | 434 | 707
Fair Value, Inputs, Level 1 [Member] | Cash and Cash Equivalents [Member] |  |
Assets |  |
Investments in AFS debt securities | 7 | 0
Fair Value, Inputs, Level 1 [Member] | Prepaid Expenses and Other [Member] |  |
Assets |  |
Investments in AFS debt securities | 78 | 56
Fair Value, Inputs, Level 1 [Member] | Assets Held in Trust [Member] |  |
Assets |  |
Investments of certain benefit plans | 71 | 72
Fair Value, Inputs, Level 1 [Member] | Commodity Contracts [Member] |  |
Assets |  |
Derivative contracts | 616 | 830
Liabilities |  |
Derivative contracts | 425 | 705
Fair Value, Inputs, Level 1 [Member] | Physical Purchase Contracts [Member] |  |
Assets |  |
Derivative contracts, not subject to netting | 0 | 0
Liabilities |  |
Derivative contracts, not subject to netting | 0 | 0
Fair Value, Inputs, Level 1 [Member] | Foreign Currency Contracts [Member] |  |
Liabilities |  |
Derivative contracts, not subject to netting | 9 | 2
Fair Value, Inputs, Level 2 [Member] |  |
Assets |  |
Investments in AFS debt securities | 139 | 165
Total gross fair value, assets | 141 | 169
Liabilities |  |
Blending program obligations | 46 | 55
Total gross fair value, liabilities | 51 | 59
Fair Value, Inputs, Level 2 [Member] | Cash and Cash Equivalents [Member] |  |
Assets |  |
Investments in AFS debt securities | 91 | 125
Fair Value, Inputs, Level 2 [Member] | Prepaid Expenses and Other [Member] |  |
Assets |  |
Investments in AFS debt securities | 48 | 40
Fair Value, Inputs, Level 2 [Member] | Assets Held in Trust [Member] |  |
Assets |  |
Investments of certain benefit plans | 0 | 0
Fair Value, Inputs, Level 2 [Member] | Commodity Contracts [Member] |  |
Assets |  |
Derivative contracts | 0 | 0
Liabilities |  |
Derivative contracts | 0 | 0
Fair Value, Inputs, Level 2 [Member] | Physical Purchase Contracts [Member] |  |
Assets |  |
Derivative contracts, not subject to netting | 2 | 4
Liabilities |  |
Derivative contracts, not subject to netting | 5 | 4
Fair Value, Inputs, Level 2 [Member] | Foreign Currency Contracts [Member] |  |
Liabilities |  |
Derivative contracts, not subject to netting | 0 | 0
Fair Value, Inputs, Level 3 [Member] |  |
Assets |  |
Investments in AFS debt securities | 0 | 0
Total gross fair value, assets | 6 | 6
Liabilities |  |
Blending program obligations | 0 | 0
Total gross fair value, liabilities | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Assets Held in Trust [Member] |  |
Assets |  |
Investments of certain benefit plans | 6 | 6
Fair Value, Inputs, Level 3 [Member] | Commodity Contracts [Member] |  |
Assets |  |
Derivative contracts | 0 | 0
Liabilities |  |
Derivative contracts | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Physical Purchase Contracts [Member] |  |
Assets |  |
Derivative contracts, not subject to netting | 0 | 0
Liabilities |  |
Derivative contracts, not subject to netting | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Foreign Currency Contracts [Member] |  |
Liabilities |  |
Derivative contracts, not subject to netting | $ 0 | $ 0

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