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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) ACCUMULATED OTHER COMPREHENSIVE INCOME (Notes)
 6 Months Ended
Jun. 30, 2018
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
ACCUMULATED OTHER COMPREHENSIVE LOSS

The following table sets forth the balance in accumulated other comprehensive loss for the period indicated:
 
 
Unrealized Gains
(Losses) on Risk-
Management
Assets/Liabilities (a)
 
Pension and
Postretirement
Benefit Plan
Obligations (a) (b)
 
Unrealized Gains
(Losses) on Risk-
Management
Assets/Liabilities of
Unconsolidated
Affiliates (a)
 
Accumulated
Other
Comprehensive
Loss (a)
 
 
(Thousands of dollars)
January 1, 2018
 
$
(81,915
)
 
$
(105,411
)
 
$
(1,204
)
 
$
(188,530
)
Other comprehensive income (loss) before reclassifications
 
14,255

 
(583
)
 
3,816

 
17,488

Amounts reclassified from accumulated other comprehensive loss
 
24,136

 
6,433

 
(15
)
 
30,554

Net current-period other comprehensive income (loss) attributable to ONEOK
 
38,391

 
5,850

 
3,801

 
48,042

Impact of adoption of ASU 2018-02 (c)
 
(17,935
)
 
(20,166
)
 
—

 
(38,101
)
June 30, 2018
 
$
(61,459
)
 
$
(119,727
)
 
$
2,597

 
$
(178,589
)

(a) - All amounts are presented net of tax.
(b) - Includes amounts related to supplemental executive retirement plan.
(c) - We elected to adopt this guidance in the first quarter 2018, which allows a reclassification from accumulated other comprehensive income/loss to retained earnings for the stranded tax effects resulting from the Tax Cuts and Jobs Act. After adopting and applying this guidance, our accumulated other comprehensive loss balance does not include stranded taxes resulting from the Tax Cuts and Jobs Act.

The following table sets forth the effect of reclassifications from accumulated other comprehensive loss in our Consolidated Statements of Income for the periods indicated:
Details about Accumulated Other
Comprehensive Loss
Components
 
Three Months Ended
 
Six Months Ended
 
Affected Line Item in the
Consolidated
Statements of Income
 
June 30,
 
June 30,
 
 
2018
 
2017
 
2018
 
2017
 
 
 
(Thousands of dollars)
 
 
Unrealized gains (losses) on risk-management assets/liabilities
 
 
 
 
 
 
 
 
 
 
Commodity contracts
 
$
(10,189
)
 
$
(6,796
)
 
$
(21,800
)
 
$
(22,115
)
 
Commodity sales revenues
Interest-rate contracts
 
(5,602
)
 
(5,172
)
 
(9,545
)
 
(10,501
)
 
Interest expense
 
 
(15,791
)
 
(11,968
)
 
(31,345
)
 
(32,616
)
 
Income before income taxes
 
 
3,631

 
2,041

 
7,209

 
5,406

 
Income taxes
 
 
(12,160
)
 
(9,927
)
 
(24,136
)
 
(27,210
)
 
Net income
Noncontrolling interests
 
—

 
(6,521
)
 
—

 
(18,146
)
 
Less: Net income attributable to noncontrolling interests
 
 
$
(12,160
)
 
$
(3,406
)
 
$
(24,136
)
 
$
(9,064
)
 
Net income attributable to ONEOK
 
 
 
 
 
 
 
 
 
 
 
Pension and postretirement benefit plan obligations (a)
 
 
 
 
 
 
 
 
 
 
Amortization of net loss
 
$
(4,592
)
 
$
(3,812
)
 
$
(9,184
)
 
$
(7,624
)
 
Other income (expense)
Amortization of unrecognized prior service credit
 
415

 
415

 
830

 
830

 
Other income (expense)
 
 
(4,177
)
 
(3,397
)
 
(8,354
)
 
(6,794
)
 
Income before income taxes
 
 
960

 
1,359

 
1,921

 
2,718

 
Income taxes
 
 
$
(3,217
)
 
$
(2,038
)
 
$
(6,433
)
 
$
(4,076
)
 
Net income attributable to ONEOK
 
 
 
 
 
 
 
 
 
 
 
Unrealized gains (losses) on risk-management assets/liabilities of unconsolidated affiliates
 
 
 
 
 
 
 
 
 
 
 
 
$
66

 
$
(85
)
 
$
19

 
$
(181
)
 
Equity in net earnings from investments
 
 
(15
)
 
13

 
(4
)
 
28

 
Income taxes
 
 
51

 
(72
)
 
15

 
(153
)
 
Net income
Noncontrolling interests
 
—

 
(50
)
 
—

 
(106
)
 
Less: Net income attributable to noncontrolling interests
 
 
$
51

 
$
(22
)
 
$
15

 
$
(47
)
 
Net income attributable to ONEOK
 
 
 
 
 
 
 
 
 
 
 
Total reclassifications for the period attributable to ONEOK
 
$
(15,326
)
 
$
(5,466
)
 
$
(30,554
)
 
$
(13,187
)
 
Net income attributable to ONEOK

(a) - These components of accumulated other comprehensive loss are included in the computation of net periodic benefit cost. See Note H for additional detail of our net periodic benefit cost.