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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables) | 3 Months Ended
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Mar. 31, 2023
Accumulated Other Comprehensive Loss | The following table sets forth the balance in accumulated other comprehensive loss for the period indicated, net of tax:
|  | Risk- Management Assets/Liabilities |  | Retirement and Other Postretirement Benefit Plan Obligations (a) |  | Risk- Management Assets/Liabilities of Unconsolidated Affiliates |  | Accumulated Other Comprehensive Loss
|  | (Millions of dollars)
January 1, 2023 |  | $ | (58) |  |  | $ | (55) |  |  | $ | 5 |  |  | $ | (108) |
Other comprehensive income (loss) before reclassifications |  | 23 |  |  | — |  |  | (2) |  |  | 21 |
Amounts reclassified to net income (b) |  | (12) |  |  | — |  |  | — |  |  | (12) |
Other comprehensive income (loss) |  | 11 |  |  | — |  |  | (2) |  |  | 9 |
March 31, 2023 |  | $ | (47) |  |  | $ | (55) |  |  | $ | 3 |  |  | $ | (99) |
(a) - Includes amounts related to supplemental executive retirement plan. (b) - See Note D for details of amounts reclassified to net income for risk-management assets/liabilities.
Schedule of Accumulated Other Comprehensive Loss for Risk-Management Assets/Liabilities [Table Text Block] | The following table sets forth information about the balance of accumulated other comprehensive loss at March 31, 2023, representing unrealized gains (losses) related to risk-management assets and liabilities, net of tax:
|  | Risk- Management Assets/Liabilities
|  | (Millions of dollars)
Commodity derivative instruments expected to be realized within the next 21 months (a) |  | $ | 48 |
Settled interest-rate swaps to be recognized over the life of the long-term, fixed-rate debt (b) |  | (95) |
Interest-rate swaps with future settlement dates expected to be amortized over the life of long-term debt |  | — |
Accumulated other comprehensive loss at March 31, 2023 |  | $ | (47) |
(a) - Based on commodity prices on March 31, 2023, we expect net gains of $48 million, net of tax, will be reclassified into earnings during the next 12 months. The remaining forecasted gains and losses have offsetting positions and are immaterial. (b) - We expect net losses of $18 million, net of tax, will be reclassified into earnings during the next 12 months.

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