Accumulated Other Comprehensive Income (Loss) (Tables)

3 Months Ended

Dec. 31, 2020

Changes in Each Component of AOCI, Net of Tax

Changes in each component of AOCI, net of tax, were as follows:

	Currency Translation Adjustment			Pension and Other Postretirement Benefit Liability Adjustments			Total
	(In millions)
Balance at September 30, 2020, attributable to Cabot Corporation	$	(307	)	$	(44	)	$	(351	)
Other comprehensive income (loss) before reclassifications		94			(1	)		93
Amounts reclassified from AOCI		(1	)		4			3
Less: Other comprehensive income (loss) attributable to noncontrolling interests		7			—			7
Balance at December 31, 2020, attributable to Cabot Corporation	$	(221	)	$	(41	)	$	(262	)

Amounts Reclassified Out of AOCI

The amounts reclassified out of AOCI and into the Consolidated Statements of Operations in each of the three months ended December 31, 2020 and 2019 were as follows:

	Affected Line Item in the Consolidated	Three Months Ended December 31
	Statements of Operations	2020			2019
		(In millions)
Derivatives: net investment hedges
(Gains) losses reclassified to interest expense	Interest expense (Note L)	$	(1	)	$	(1	)
Pension and other postretirement
Amortization of actuarial losses and prior service cost (credit)	Net Periodic Benefit Cost (Note D)		1			1
Settlement charge	Net Periodic Benefit Cost (Note D)		6			—
Total before tax			6			—
Tax impact	Provision (benefit) for income taxes		(3	)		—
Total after tax		$	3		$	—