Restructuring and Impairment Costs - Narrative (Details) employee in Thousands, $ in Millions		3 Months Ended		12 Months Ended
	Dec. 31, 2021 USD ($) employee plant	Dec. 31, 2021 USD ($) employee	Dec. 31, 2020 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)
Restructuring Cost and Reserve [Line Items]
Noncash adjustment—underspend/other					$ 20
Restructuring reserve	$ 86	$ 86		$ 115
Restructuring and impairment costs		$ 4	$ 7
Number of positions eliminated to date | employee	15	15
Number of positions eliminated | employee	14
Number of plants expected to close | plant	25
Number of plants closed | plant	20
2022 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Expected restructuring costs	$ 3	$ 3
Noncash adjustment—underspend/other		6
Restructuring reserve	2	2		3
Utilized—cash		1
2021 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Expected restructuring costs				27
Noncash adjustment—underspend/other		(1)		16
Restructuring reserve	11	11		22
Utilized—cash		10
2021 Restructuring Plan | EMEA
Restructuring Cost and Reserve [Line Items]
Expected restructuring costs				23
2021 Restructuring Plan | Americas
Restructuring Cost and Reserve [Line Items]
Restructuring reserve				3
2021 Restructuring Plan | Asia
Restructuring Cost and Reserve [Line Items]
Expected restructuring costs				1
2020 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Noncash adjustment—underspend/other		(6)
Restructuring reserve	61	61		$ 77
Restructuring and impairment costs					205
Utilized—cash		10
2020 Restructuring Plan | EMEA
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment costs					175
2020 Restructuring Plan | Americas
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment costs					20
2020 Restructuring Plan | Asia
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment costs					$ 10
Restructuring Plan 2018, 2017, 2016
Restructuring Cost and Reserve [Line Items]
Utilized—cash		1
2018 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	3	3
2017 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	2	2
2016 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	$ 1	$ 1