Commitments and Contingencies - Environmental (Details) € in Millions	1 Months Ended																							3 Months Ended		6 Months Ended	9 Months Ended	32 Months Ended
	Jul. 31, 2022 EUR (€) individual defendant	May 31, 2022 lawsuit defendant	Feb. 28, 2022 USD ($)	Dec. 31, 2021 USD ($) case	Nov. 30, 2021 USD ($) lawsuit	Oct. 31, 2021 lawsuit bill	Sep. 30, 2021 EUR (€) party	Jul. 31, 2021 lawsuit	May 31, 2021 individual	Feb. 28, 2021 lawsuit case	Sep. 30, 2020 option	Aug. 31, 2020 lawsuit	Jun. 30, 2020 lawsuit	Apr. 30, 2020 subsidiary	Jul. 31, 2019 landfill	Jun. 30, 2019 lawsuit party	May 31, 2019 lawsuit party	Apr. 30, 2019 USD ($)	Mar. 31, 2019 lawsuit facility	Jul. 31, 2018 USD ($) chemical defendant facility mi	Feb. 28, 2018 USD ($)	Aug. 31, 2016 individual	Oct. 31, 2015 water_work	Jun. 30, 2022 USD ($) lawsuit	Mar. 31, 2018 USD ($)	Jun. 30, 2022 USD ($) lawsuit perfluorinated_material case family individual	Sep. 30, 2022 lawsuit	Jun. 30, 2022 USD ($) plaintiff lawsuit	Mar. 31, 2022 EUR (€)
Loss contingencies
Increase in liabilities, gross | $																								$ 355,000,000		$ 500,000,000
King Case
Loss contingencies
Number of plaintiffs | plaintiff																												37
Subsequent Event
Loss contingencies
Increase in liabilities, gross | €	€ 571
Zwijndrecht Site
Loss contingencies
Investment plan for environmental remediation | €							€ 125																						€ 150
Investment plan for environmental remediation, period (in years)							3 years
City of Decatur, Decatur Utilities, and Morgan County
Loss contingencies
Investment plan for environmental remediation | $					$ 99,000,000
City Of Guin Water Works And Sewer Board
Loss contingencies
Settlement amount paid | $				$ 30,000,000
Environmental Matters - Remediation
Loss contingencies
Accrued loss contingency reserve | $																								26,000,000		$ 26,000,000		$ 26,000,000
Number of years remediation payments expected to be paid for applicable sites																										20 years
Environmental Matters - Other
Loss contingencies
Accrued loss contingency reserve | $																								0		$ 0		0
Insurance receivables | $																								$ 8,000,000		$ 8,000,000		$ 8,000,000
Environmental Matters - Regulatory Activities
Loss contingencies
Number of years after phase-out decision in May 2000 that the Company stopped manufacturing and using vast majority of perfluorooctanyl compounds																										2 years
Environmental Matters - Regulatory Activities | California
Loss contingencies
Number of bills signed into law that prohibit use of PFAS in children's products and food packaging | bill						2
Environmental Matters - Litigation | Alabama
Loss contingencies
Number of local water works for whom the water authority supplies water | water_work																							5
Litigation settlement awarded | $																		$ 35,000,000
Environmental Matters - Litigation | Decatur, Alabama
Loss contingencies
Number of putative class action and other lawsuits																										2
Number of closed municipal landfills | landfill															3
Environmental Matters - Litigation | Minnesota
Loss contingencies
Litigation settlement awarded | $																									$ 897,000,000
Settlement amount paid | $																					$ 850,000,000
Number of recommended options for utilizing the Water Quality and Sustainability Fund seeking public comment | option											3
Environmental Matters - Litigation | New Jersey
Loss contingencies
Number of lawsuits filed													2						2
Number of additional new claims filed													2
Number of additional defendants | party																	6
Environmental Matters - Litigation | Salem County, New Jersey
Loss contingencies
Number of facilities related to the manufacture and disposal of PFAS | facility																			2
Environmental Matters - Litigation | Michigan
Loss contingencies
Number of lawsuits filed												2
Environmental Matters - Litigation | Federal court of Michigan
Loss contingencies
Number of lawsuits filed												1
Environmental Matters - Litigation | State court in New York
Loss contingencies
Number of lawsuits filed																										4
Environmental Matters - Litigation | State Court of Lawrence County, Alabama
Loss contingencies
Number of plaintiffs | individual																										4,900
Environmental Matters - Litigation | State Court of Lawrence County, Alabama | Minimum
Loss contingencies
Number of plaintiffs | individual																						200
Environmental Matters - Litigation | New Hampshire
Loss contingencies
Number of lawsuits filed																	2
Number of additional defendants | party																	7
Environmental Matters - Litigation | Vermont
Loss contingencies
Number of lawsuits filed																2
Number of additional defendants | party																10
Environmental Matters - Litigation | ALASKA
Loss contingencies
Number of lawsuits filed								2
Environmental Matters - Litigation | NORTH CAROLINA
Loss contingencies
Number of lawsuits filed					4
Environmental Matters - Aqueous Film Forming Foam Litigation
Loss contingencies
Number of putative class action and other lawsuits																										2,632
Number of class action lawsuits																										33
Environmental Matters - Aqueous Film Forming Foam Litigation | U.S. Judicial Panel on Multidistrict Litigation (MDL)
Loss contingencies
Number of water supplier cases										10
Number of water supplier cases selected						3
Environmental Matters - Aqueous Film Forming Foam Litigation | Various state courts
Loss contingencies
Number of lawsuits filed																8
Number of lawsuits pending																								5		5		5
Number of lawsuits served		1																								13
Number of cases dismissed																										9
Environmental Matters - Aqueous Film Forming Foam Litigation | Various state courts | Forecast
Loss contingencies
Number of cases stayed																											5
Environmental Matters - Aqueous Film Forming Foam Litigation | State court in Wisconsin
Loss contingencies
Number of subsidiaries of plaintiff | subsidiary														2
Environmental Matters - Aqueous Film Forming Foam Litigation | Federal court
Loss contingencies
Number of lawsuits pending																								2		2		2
Environmental Matters - Other PFAS-related Environmental Litigation
Loss contingencies
Increase (decrease) accrued loss contingency reserve | $																										$ 529,000,000
Litigation payments | $																										$ 187,000,000
Environmental Matters - Other PFAS-related Environmental Litigation | U.S. District Court of New York State
Loss contingencies
Number of putative class action and other lawsuits																										1
Number of plaintiffs | individual									24
Settlement amount paid | $			$ 65,000,000
Number of lawsuits filed																										39
Number of additional new claims filed																										5
Environmental Matters - Other PFAS-related Environmental Litigation | U.S. District Court of New York State | Forecast | Subsequent Event
Loss contingencies
Number of plaintiffs | individual	8
Environmental Matters - Other PFAS-related Environmental Litigation | U.S. District Court of Eastern District of New York
Loss contingencies
Number of lawsuits pending																								13		13		13
Environmental Matters - Other PFAS-related Environmental Litigation | Decatur, Alabama
Loss contingencies
Number of perfluorinated materials (FBSA and FBSEE) the company cannot release into "the waters of the United States." | perfluorinated_material																										2
Environmental Matters - Other PFAS-related Environmental Litigation | Alabama and Georgia
Loss contingencies
Number of putative class action and other lawsuits																										3
Environmental Matters - Other PFAS-related Environmental Litigation | Cities located downstream along the Coosa River
Loss contingencies
Number of putative class action and other lawsuits																										3
Environmental Matters - Other PFAS-related Environmental Litigation | New Jersey
Loss contingencies
Number of lawsuits filed				4																						17
Number of lawsuits seeking medical monitoring and damages | case										8																10
Number of cases dismissed | case																										5
Environmental Matters - Other PFAS-related Environmental Litigation | Michigan
Loss contingencies
Number of putative class action and other lawsuits																										1
Number of lawsuits filed																										275
Number of plaintiffs added to case | party							4
Total number of federal bellwether cases																										5
Number of federal bellwether cases with trial-ready dates set																										3
Number of plaintiff families | family																										7
Environmental Matters - Other PFAS-related Environmental Litigation | Delaware.
Loss contingencies
Number of putative class action and other lawsuits																										1
Environmental Matters - Other Environmental Litigation
Loss contingencies
Accrued loss contingency reserve | $																								$ 754,000,000		$ 754,000,000		$ 754,000,000
Environmental Matters - Other Environmental Litigation | New Jersey
Loss contingencies
Approximate number of miles of a river seeking to be cleaned | mi																				8
The value the award the plaintiff seeks | $																				$ 165,000,000
Number of chemicals of concern in the sediment | chemical																				8
Number of commercial drum conditioning facilities | facility																				2
Environmental Matters - Other Environmental Litigation | New Jersey | Minimum
Loss contingencies
Number of unnamed defendant | defendant																				120
Environmental Matters, AFFF Related Lawsuit | Massachusetts
Loss contingencies
Number of defendants | defendant		13
Environmental Matters, AFFF Related Lawsuit | Massachusetts | Subsequent Event
Loss contingencies
Number of defendants | defendant	18
Environmental Matters Other Pfc Related Environmental Litigation, Individual Cases | New Jersey
Loss contingencies
Number of lawsuits filed																										7