Derivatives (Tables)

6 Months Ended

Mar. 31, 2019

Derivative Instruments And Hedging Activities Disclosure [Abstract]

Details of Derivatives Held to Manage Foreign Currency Risk

The following table provides details of the derivatives held as of March 31, 2019 and September 30, 2018 to manage foreign currency risk.

		Notional Amount
Description	Borrowing	March 31, 2019	September 30, 2018	Hedge Designation
Cross-Currency Swaps	3.4% Notes	USD 250 million swapped to EUR 223 million	USD 250 million swapped to EUR 223 million	Net investment
Forward Foreign Currency Contracts (1)	N/A	USD (3) million	USD 18 million	No designation

⁽¹⁾ Cabot’s forward foreign exchange contracts are denominated in the Canadian dollar, Indonesian rupiah and Czech koruna.

Summary Impact of Cross-currency Swaps to AOCI and Consolidated Statements of Operations

The following tables summarize the impact of the cross-currency swaps to AOCI and the Consolidated Statements of Operations:

	Three Months Ended March 31
	2019		2018			2019			2018			2019		2018
Description	Gain/(Loss) Recognized in AOCI					(Gain)/Loss Reclassified from AOCI into Interest Expense in the Consolidated Statements of Operations						(Gain)/Loss Recognized in Interest Expense in the Consolidated Statements of Operations (Amount Excluded from Effectiveness Testing)
	(In millions)
Cross-currency swaps	$	5	$	(8	)	$	(2	)	$	(1	)	$	1	$	1

	Six Months Ended March 31
	2019		2018			2019			2018			2019		2018
Description	Gain/(Loss) Recognized in AOCI					(Gain)/Loss Reclassified from AOCI into Interest Expense in the Consolidated Statements of Operations						(Gain)/Loss Recognized in Interest Expense in the Consolidated Statements of Operations (Amount Excluded from Effectiveness Testing)
	(In millions)
Cross-currency swaps	$	13	$	(13	)	$	(3	)	$	(2	)	$	1	$	1