STOCKHOLDERS' EQUITY (Tables)

12 Months Ended

Dec. 31, 2021

Stockholders' Equity Note [Abstract]

Schedule of Common Stock and Treasury Stock Outstanding Roll Forward

The following table provides a reconciliation of Dow Inc. common stock activity for the years ended December 31, 2021, 2020 and 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	2,457,404	—
Repurchased	—	9,729,834
Balance at Jan 1, 2020	751,228,644	9,729,834
Issued 1	4,764,554	—
Repurchased	—	3,073,469
Balance at Jan 1, 2021	755,993,198	12,803,303
Issued 1	8,233,684	—
Repurchased	—	16,208,270
Balance at Dec 31, 2021	764,226,882	29,011,573

1.Shares issued to employees and non-employee directors under the Company's equity compensation plans.

Comprehensive Income (Loss)

The changes in each component of AOCL for the years ended December 31, 2021, 2020 and 2019 were as follows:

Accumulated Other Comprehensive Loss	2021		2020		2019
In millions
Unrealized Gains (Losses) on Investments
Beginning balance	$	104	$	64	$	(51)
Unrealized gains (losses) on investments	(21)		104		178
Tax (expense) benefit	5		(23)		(38)
Net unrealized gains (losses) on investments	(16)		81		140
(Gains) losses reclassified from AOCL to net income 1	(38)		(54)		(33)
Tax expense (benefit) 2	9		13		8
Net (gains) losses reclassified from AOCL to net income	(29)		(41)		(25)
Other comprehensive income (loss), net of tax	(45)		40		115
Ending balance	$	59	$	104	$	64
Cumulative Translation Adjustment
Beginning balance	$	(930)	$	(1,135)	$	(1,813)
Gains (losses) on foreign currency translation	(375)		227		59
Tax (expense) benefit	(40)		25		(2)
Net gains (losses) on foreign currency translation	(415)		252		57
(Gains) losses reclassified from AOCL to net income 3	(10)		(47)		(89)
Other comprehensive income (loss), net of tax	(425)		205		(32)
Impact of common control transaction 4	—		—		710
Ending balance	$	(1,355)	$	(930)	$	(1,135)
Pension and Other Postretirement Benefits
Beginning balance	$	(9,559)	$	(8,781)	$	(7,965)
Gains (losses) arising during the period	2,094		(1,769)		(1,699)
Tax (expense) benefit	(464)		411		413
Net gains (losses) arising during the period	1,630		(1,358)		(1,286)
Amortization of net loss and prior service credits reclassified from AOCL to net income 5	776		753		504
Tax expense (benefit) 2	(181)		(173)		(117)
Net loss and prior service credits reclassified from AOCL to net income	595		580		387
Other comprehensive income (loss), net of tax	2,225		(778)		(899)
Impact of common control transaction 4	—		—		83
Ending balance	$	(7,334)	$	(9,559)	$	(8,781)
Derivative Instruments
Beginning balance	$	(470)	$	(394)	$	(56)
Gains (losses) on derivative instruments	155		(96)		(470)
Tax (expense) benefit	3		(1)		101
Net gains (losses) on derivative instruments	158		(97)		(369)
(Gains) losses reclassified from AOCL to net income 6	(38)		30		44
Tax expense (benefit) 2	3		(9)		(13)
Net (gains) losses reclassified from AOCL to net income	(35)		21		31
Other comprehensive income (loss), net of tax	123		(76)		(338)
Ending balance	$	(347)	$	(470)	$	(394)
Total AOCL ending balance	$	(8,977)	$	(10,855)	$	(10,246)

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

2.Reclassified to "Provision for income taxes on continuing operations."

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

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

5.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 20 for additional information.

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