Significant Restructuring and Impairment Costs (Tables)

12 Months Ended

Sep. 30, 2020

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

2018 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 2018 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	$	209	$	42	$	12	$	263
Utilized—cash	(45)		—		(2)		(47)
Utilized—noncash	—		(42)		—		(42)
Balance at September 30, 2018	$	164	$	—	$	10	$	174
Utilized—cash	(61)		—		(6)		(67)
Transfer to liabilities held for sale	(4)		—		—		(4)
Currency translation	(1)		—		—		(1)
Balance at September 30, 2019	$	98	$	—	$	4	$	102
Utilized—cash	(69)		—		—		(69)
Adoption of ASC 842 (1)	—		—		(4)		(4)
Currency translation	1		—		—		1
Balance at September 30, 2020	$	30	$	—	$	—	$	30

(1) Represents liability for facility closings recorded as an offset to right-of-use asset upon adoption of ASC 842.

2017 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 2017 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	$	276	$	77	$	14	$	367
Utilized—cash	(75)		—		—		(75)
Utilized—noncash	—		(77)		(1)		(78)
Adjustment to restructuring reserves	25		—		—		25
Balance at September 30, 2017	$	226	$	—	$	13	$	239
Utilized—cash	(152)		—		(6)		(158)
Currency translation	(1)		—		—		(1)
Balance at September 30, 2018	$	73	$	—	$	7	$	80
Utilized—cash	(11)		—		(2)		(13)
Transfer to liabilities held for sale	(3)		—		—		(3)
Currency translation	(3)		—		—		(3)
Balance at September 30, 2019	$	56	$	—	$	5	$	61
Utilized—cash	(50)		—		—		(50)
Adoption of ASC 842 (1)	—		—		(5)		(5)
Balance at September 30, 2020	$	6	$	—	$	—	$	6

(1) Represents liability for facility closings recorded as an offset to right-of-use asset upon adoption of ASC 842.