Significant Restructuring and Impairment Costs (Tables)

12 Months Ended

Sep. 30, 2021

2021 Restructuring Plan

Restructuring Cost and Reserve [Line Items]

Schedule of Restructuring Reserve by Type of Cost [Table Text Block]

The following table summarizes the changes in the Company’s 2021 Plan reserve, included primarily within other current liabilities in the consolidated statements of financial position (in millions):

	Employee Severance and Termination Benefits		Long-Lived Asset Impairments		Other		Total
Original reserve	$	68	$	98	$	76	$	242
Utilized—cash	(28)		—		(51)		(79)
Utilized—noncash	—		(98)		—		(98)
Balance at September 30, 2021	$	40	$	—	$	25	$	65

2020 Restructuring Plan [Member]

Restructuring Cost and Reserve [Line Items]

Schedule of Restructuring Reserve by Type of Cost [Table Text Block]

The following table summarizes the changes in the Company’s 2020 Plan reserve, included within other current liabilities in the consolidated statements of financial position (in millions):

	Employee Severance and Termination Benefits		Long-Lived Asset Impairments		Other		Total
Original reserve	$	196	$	96	$	5	$	297
Utilized—cash	(92)		—		(3)		(95)
Utilized—noncash	—		(96)		—		(96)
Currency translation	2		—		—		2
Balance at September 30, 2020	106		—		2		108
Utilized—cash	(69)		—		(2)		(71)
Balance at September 30, 2021	$	37	$	—	$	—	$	37