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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables) | 6 Months Ended
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Jun. 30, 2022
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
|  | (Thousands of dollars)
January 1, 2022 |  | $ | (352,315) |  |  | $ | (107,659) |  |  | $ | (11,377) |  |  | $ | (471,351) |
Other comprehensive income (loss) before reclassifications |  | (49,542) |  |  | 149 |  |  | 10,956 |  |  | (38,437) |
Amounts reclassified to net income (b) |  | 136,458 |  |  | 5,803 |  |  | 772 |  |  | 143,033 |
Other comprehensive income |  | 86,916 |  |  | 5,952 |  |  | 11,728 |  |  | 104,596 |
June 30, 2022 |  | $ | (265,399) |  |  | $ | (101,707) |  |  | $ | 351 |  |  | $ | (366,755) |
(a) - Includes amounts related to supplemental executive retirement plan. (b) - See Note C 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 June 30, 2022, representing unrealized losses related to risk-management assets and liabilities, net of tax:
|  | Risk- Management Assets/Liabilities
|  | (Thousands of dollars)
Commodity derivative instruments expected to be realized within the next 30 months (a) |  | $ | (115,725) |
Settled interest-rate swaps to be recognized over the life of the long-term, fixed-rate debt (b) |  | (148,726) |
Interest-rate swaps with future settlement dates expected to be amortized over the life of long-term debt |  | (948) |
Accumulated other comprehensive loss at June 30, 2022 |  | $ | (265,399) |
(a) - Based on commodity prices on June 30, 2022, we expect net losses of $104.1 million, net of tax, will be reclassified into earnings during the next 12 months. (b) - We expect net losses of $21.7 million, net of tax, will be reclassified into earnings during the next 12 months.

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