Debt and Financing Arrangements (Tables)

6 Months Ended

Mar. 31, 2021

Debt Disclosure [Abstract]

Components of Net Financing Charges

Net financing charges consisted of the following (in millions):

	Three Months Ended March 31,				Six Months Ended March 31,
	2021		2020		2021		2020
Interest expense, net of capitalized interest costs	$	53	$	62	$	112	$	124
Banking fees and bond cost amortization	4		5		12		10
Interest income	(3)		(5)		(6)		(18)
Net foreign exchange results for financing activities	(10)		(3)		(15)		(5)
Net financing charges	$	44	$	59	$	103	$	111