STOCKHOLDERS' EQUITY STOCKHOLDERS' EQUITY (Tables)

6 Months Ended

Jun. 30, 2019

Stockholders' Equity Attributable to Parent [Abstract]

Schedule of Stock by Class [Table Text Block]

The following table provides a reconciliation of Dow Inc. common stock activity for the six months ended June 30, 2019:

Shares of Dow Inc. Common Stock	Issued	Held in Treasury
Balance at Jan 1, 2019	100	—
Impact of recapitalization	748,771,140	—
Issued 1	254,522	—
Repurchased	—	5,813,756
Balance at Jun 30, 2019	749,025,762	5,813,756

1. Shares issued to employees under the Company's equity compensation plans.

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

The changes in each component of AOCL for the three and six months ended June 30, 2019 and 2018 were as follows:

Accumulated Other Comprehensive Loss	Three Months Ended						Six Months Ended
In millions	Jun 30, 2019			Jun 30, 2018			Jun 30, 2019			Jun 30, 2018
Unrealized Gains (Losses) on Investments
Beginning balance	$	16		$	(8	)	$	(51	)	$	17
Unrealized gains (losses) on investments	52			(18		)	138			(49		)
Less: Tax (expense) benefit	(11		)	3			(29		)	8
Net unrealized gains (losses) on investments	41			(15		)	109			(41		)
(Gains) losses reclassified from AOCL to net income 1	(11		)	1			(12		)	3
Less: Tax expense (benefit) 2	3			—			3			(1		)
Net (gains) losses reclassified from AOCL to net income	(8		)	1			(9		)	2
Other comprehensive income (loss), net of tax	33			(14		)	100			(39		)
Reclassification of stranded tax effects 3	—			(1		)	—			(1		)
Ending balance	$	49		$	(23	)	$	49		$	(23	)
Cumulative Translation Adjustment
Beginning balance	$	(1,844	)	$	(1,105	)	$	(1,813	)	$	(1,481	)
Gains (losses) on foreign currency translation	76			(443		)	64			(72		)
Less: Tax (expense) benefit	15			(25		)	14			(20		)
Net gains (losses) on foreign currency translation	91			(468		)	78			(92		)
(Gains) losses reclassified from AOCL to net income 4	(24		)	(2		)	(42		)	(2		)
Other comprehensive income (loss), net of tax	67			(470		)	36			(94		)
Impact of common control transaction 5	710			—			710			—
Reclassification of stranded tax effects 3	—			(107		)	—			(107		)
Ending balance	$	(1,067	)	$	(1,682	)	$	(1,067	)	$	(1,682	)
Pension and Other Postretirement Benefits
Beginning balance	$	(7,824	)	$	(6,872	)	$	(7,965	)	$	(6,998	)
Gains (losses) arising during the period	34			—			34			—
Less: Tax (expense) benefit	(10		)	—			(10		)	—
Net gains (losses) arising during the period	24			—			24			—
Amortization and recognition of net loss and prior service credits 6	108			158			274			312
Less: Tax expense (benefit) 2	(26		)	(34		)	(51		)	(62		)
Net loss and prior service credits reclassified from AOCL to net income	82			124			223			250
Other comprehensive income (loss), net of tax	106			124			247			250
Impact of common control transaction 5	83			—			83			—
Reclassification of stranded tax effects 3	—			(927		)	—			(927		)
Ending balance	$	(7,635	)	$	(7,675	)	$	(7,635	)	$	(7,675	)
Derivative Instruments
Beginning balance	$	(131	)	$	(103	)	$	(56	)	$	(109	)
Gains (losses) on derivative instruments	(263		)	108			(358		)	94
Less: Tax (expense) benefit	46			(17		)	73			(19		)
Net gains (losses) on derivative instruments	(217		)	91			(285		)	75
(Gains) losses reclassified from AOCL to net income 7	17			32			10			59
Less: Tax expense (benefit) 2	(4		)	(5		)	(4		)	(10		)
Net (gains) losses reclassified from AOCL to net income	13			27			6			49
Other comprehensive income (loss), net of tax	(204		)	118			(279		)	124
Reclassification of stranded tax effects 3	—			(22		)	—			(22		)
Ending balance	$	(335	)	$	(7	)	$	(335	)	$	(7	)
Total AOCL ending balance	$	(8,988	)	$	(9,387	)	$	(8,988	)	$	(9,387	)

1. Reclassified to "Net sales" and "Sundry income (expense) - net."

2. Reclassified to "Provision for income taxes."

3. Amounts reclassified to "Retained earnings" as a result of the adoption of ASU 2018-02.

4. Reclassified to "Sundry income (expense) - net."

5. Reclassified to "Retained earnings" as a result of the separation from DowDuPont on April 1, 2019. See Note 3 for additional information.

6. These AOCL components are included in the computation of net periodic benefit cost of the Company's defined benefit pension and other postretirement benefit plans. See Note 17 for additional information. For the six months ended June 30, 2019, a $45 million adjustment related to a joint venture was reclassified to "Investment in nonconsolidated affiliates" in the consolidated balance sheets.

7. Reclassified to "Cost of sales," "Sundry income (expense) - net" and "Interest expense and amortization of debt discount."