STOCKHOLDERS' EQUITY STOCKHOLDERS' EQUITY (Tables)

9 Months Ended

Sep. 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 nine months ended September 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	686,397	—
Repurchased	—	7,961,732
Balance at Sep 30, 2019	749,457,637	7,961,732

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 nine months ended September 30, 2019 and 2018 were as follows:

Accumulated Other Comprehensive Loss	Three Months Ended						Nine Months Ended
In millions	Sep 30, 2019			Sep 30, 2018			Sep 30, 2019			Sep 30, 2018
Unrealized Gains (Losses) on Investments
Beginning balance	$	49		$	(23	)	$	(51	)	$	17
Unrealized gains (losses) on investments	20			6			158			(45		)
Less: Tax (expense) benefit	(4		)	(1		)	(33		)	9
Net unrealized gains (losses) on investments	16			5			125			(36		)
(Gains) losses reclassified from AOCL to net income 1	(6		)	4			(18		)	7
Less: Tax expense (benefit) 2	1			(1		)	4			(2		)
Net (gains) losses reclassified from AOCL to net income	(5		)	3			(14		)	5
Other comprehensive income (loss), net of tax	11			8			111			(31		)
Reclassification of stranded tax effects 3	—			—			—			(1		)
Ending balance	$	60		$	(15	)	$	60		$	(15	)
Cumulative Translation Adjustment
Beginning balance	$	(1,067	)	$	(1,682	)	$	(1,813	)	$	(1,481	)
Gains (losses) on foreign currency translation	(164		)	(94		)	(100		)	(166		)
Less: Tax (expense) benefit	(26		)	(4		)	(12		)	(24		)
Net gains (losses) on foreign currency translation	(190		)	(98		)	(112		)	(190		)
(Gains) losses reclassified from AOCL to net income 4	(26		)	—			(68		)	(2		)
Other comprehensive income (loss), net of tax	(216		)	(98		)	(180		)	(192		)
Impact of common control transaction 5	—			—			710			—
Reclassification of stranded tax effects 3	—			—			—			(107		)
Ending balance	$	(1,283	)	$	(1,780	)	$	(1,283	)	$	(1,780	)
Pension and Other Postretirement Benefits
Beginning balance	$	(7,635	)	$	(7,675	)	$	(7,965	)	$	(6,998	)
Gains (losses) arising during the period	—			—			34			—
Less: Tax (expense) benefit	—			—			(10		)	—
Net gains (losses) arising during the period	—			—			24			—
Amortization and recognition of net loss and prior service credits 6	139			156			413			468
Less: Tax expense (benefit) 2	(31		)	(33		)	(82		)	(95		)
Net loss and prior service credits reclassified from AOCL to net income	108			123			331			373
Other comprehensive income (loss), net of tax	108			123			355			373
Impact of common control transaction 5	—			—			83			—
Reclassification of stranded tax effects 3	—			—			—			(927		)
Ending balance	$	(7,527	)	$	(7,552	)	$	(7,527	)	$	(7,552	)
Derivative Instruments
Beginning balance	$	(335	)	$	(7	)	$	(56	)	$	(109	)
Gains (losses) on derivative instruments	(187		)	241			(545		)	315
Less: Tax (expense) benefit	37			(45		)	110			(44		)
Net gains (losses) on derivative instruments	(150		)	196			(435		)	271
(Gains) losses reclassified from AOCL to net income 7	20			16			30			75
Less: Tax expense (benefit) 2	(4		)	(4		)	(8		)	(14		)
Net (gains) losses reclassified from AOCL to net income	16			12			22			61
Other comprehensive income (loss), net of tax	(134		)	208			(413		)	332
Reclassification of stranded tax effects 3	—			—			—			(22		)
Ending balance	$	(469	)	$	201		$	(469	)	$	201
Total AOCL ending balance	$	(9,219	)	$	(9,146	)	$	(9,219	)	$	(9,146	)

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 nine months ended September 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."