v3.22.1
Contingencies and Commitments​ (Details)
$ in Millions
 3 Months Ended 12 Months Ended
Dec. 23, 2020
claimant
defendant
Jun. 26, 2020
claimant
Jun. 12, 2020
firefighter
police_officer
claimant
Jun. 11, 2020
firefighter
Mar. 17, 2020
subsidiary
Jun. 06, 2019
plaintiff
Sep. 15, 2017
executive
Mar. 31, 2022
USD ($)
claimant
firefighter
police_officer
Sep. 30, 2021
USD ($)
Mar. 31, 2021
USD ($)
claimant
Dec. 31, 2021
USD ($)
Site Contingency [Line Items]                      
Environmental remediation               $ 61     $ 64
Environmental remediation, current               16     15
Environmental remediation, payments               4      
Environmental remediation, additions               (5)      
Cash and cash equivalents               210     335
Accounts Receivable, after Allowance for Credit Loss, Current               1,038     922
Inventories               1,833     1,630
Property, Plant and Equipment, Net               2,634     2,651
Accounts Payable, Trade, Current               1,781     1,718
Segment Adjusted EBITDA               215   $ 189  
Revolving Credit Facility | ABL Credit Agreement | Senior Secured Credit Facility                      
Site Contingency [Line Items]                      
Debt Instrument, Unused Borrowing Capacity, Amount               1,065      
RUSSIAN FEDERATION                      
Site Contingency [Line Items]                      
Cash and cash equivalents               26     79
Accounts Receivable, after Allowance for Credit Loss, Current               131     120
Inventories               130     102
Property, Plant and Equipment, Net               196     200
Accounts Payable, Trade, Current               46     47
Total sales               233     968
Segment Adjusted EBITDA               $ 18     $ 87
Percentage Of Liquidity               2.00%      
Percentage Of Third Party Sales               13.00%     16.00%
Percentage of Segment Adjusted EBITDA               10.00%     13.00%
Federal Antimonopoly Services Of The Russian Federation Litigation | Unfavorable Regulatory Action                      
Site Contingency [Line Items]                      
Loss Contingency, Number Of Subsidiaries | subsidiary         2            
Grenfell Tower Fire, Survivors And Estates Of Decedents, Represented By Birnberg Peirce Ltd | Damage from Fire, Explosion or Other Hazard                      
Site Contingency [Line Items]                      
Number of plaintiffs | claimant 118   4         113      
Grenfell Tower Fire, Survivors And Estates Of Decedents, Represented By Howe & Co Solicitors | Damage from Fire, Explosion or Other Hazard                      
Site Contingency [Line Items]                      
Number of plaintiffs | claimant     2                
Grenfell Tower Fire, Survivors And Estates Of Decedents, Represented By Russell-Cooke LLP | Damage from Fire, Explosion or Other Hazard                      
Site Contingency [Line Items]                      
Number of plaintiffs | claimant 34 3           33      
Grenfell Tower Fire, Survivors And Estates Of Decedents | Damage from Fire, Explosion or Other Hazard                      
Site Contingency [Line Items]                      
Loss Contingency, Number of Defendants | defendant 23                    
Grenfell Tower Fire, Survivors And Estates Of Decedents, Represented By Deighton Pierce Glynn | Damage from Fire, Explosion or Other Hazard                      
Site Contingency [Line Items]                      
Number of plaintiffs | claimant 7                    
Grenfell Tower Fire, Survivors And Estates Of Decedents, Represented By SMQ Legal Services | Damage from Fire, Explosion or Other Hazard                      
Site Contingency [Line Items]                      
Number of plaintiffs | claimant 5             6      
Grenfell Tower Fire, Survivors And Estates Of Decedents, Represented By Scott Moncrieff | Damage from Fire, Explosion or Other Hazard                      
Site Contingency [Line Items]                      
Number of plaintiffs | claimant 4             3      
Grenfell Tower Fire, Survivors And Estates Of Decedents, Represented By Saunders Law | Damage from Fire, Explosion or Other Hazard                      
Site Contingency [Line Items]                      
Number of plaintiffs | claimant 31             27      
Grenfell Tower Fire, Survivors And Estates Of Decedents, Represented By Imran Khan And Partners | Damage from Fire, Explosion or Other Hazard                      
Site Contingency [Line Items]                      
Number of plaintiffs | claimant 40             47      
Grenfell Tower Fire, Survivors And Estates Of Decedents, Represented By Howe And Co | Damage from Fire, Explosion or Other Hazard                      
Site Contingency [Line Items]                      
Number of plaintiffs | claimant 61             58      
Grenfell Tower Fire, Survivors And Estates Of Decedents, Represented By Hodge Jones And Allen Solicitor | Damage from Fire, Explosion or Other Hazard                      
Site Contingency [Line Items]                      
Number of plaintiffs | claimant 114                    
Grenfell Tower Fire, Survivors And Estates Of Decedents, Represented By Hickman And Rose | Damage from Fire, Explosion or Other Hazard                      
Site Contingency [Line Items]                      
Number of plaintiffs | claimant 19             23      
Grenfell Tower Fire, Survivors And Estates Of Decedents, Represented By Duncan Lewis Solicitors | Damage from Fire, Explosion or Other Hazard                      
Site Contingency [Line Items]                      
Number of plaintiffs | claimant 5             10      
Grenfell Tower Fire, Survivors And Estates Of Decedents, Represented By Bindmans LLP | Damage from Fire, Explosion or Other Hazard                      
Site Contingency [Line Items]                      
Number of plaintiffs | claimant 341                    
Grenfell Tower Fire, Survivors And Estates Of Decedents, Represented By Bhatt Murphy Ltd | Damage from Fire, Explosion or Other Hazard                      
Site Contingency [Line Items]                      
Number of plaintiffs | claimant 82             76      
Grenfell Tower Fire, Survivors And Estates Of Decedents, Represented By Slater & Gordon | Damage from Fire, Explosion or Other Hazard                      
Site Contingency [Line Items]                      
Number of plaintiffs | claimant               27   24  
Grenfell Tower Fire, Emergency Responders, Represented By Thompsons Solicitors | Damage from Fire, Explosion or Other Hazard                      
Site Contingency [Line Items]                      
Number of plaintiffs | firefighter       80       98      
Loss Contingency, Number Of Additional Plaintiffs | firefighter       7       10      
Grenfell Tower Fire, Emergency Responders, Represented By Penningtons Manches Cooper LLP | Damage from Fire, Explosion or Other Hazard                      
Site Contingency [Line Items]                      
Number of plaintiffs | police_officer     27         36      
Grenfell Tower Fire, Emergency Responders, Represented By Pattinson And Brewer | Damage from Fire, Explosion or Other Hazard                      
Site Contingency [Line Items]                      
Number of plaintiffs | firefighter     2                
Loss, Contingency, Number Of Plaintiffs Withdrawn | firefighter     1                
Behrens v. Arconic                      
Site Contingency [Line Items]                      
Number of plaintiffs | plaintiff           247          
Sullivan v. Arconic                      
Site Contingency [Line Items]                      
Number of former executives | executive             3        
Fusina, Italy                      
Site Contingency [Line Items]                      
Accrual for Environmental Loss Contingencies, Period Increase (Decrease)               $ 1      
Environmental remediation, payments               1      
Massena West, NY                      
Site Contingency [Line Items]                      
Environmental remediation               28     $ 30
Accrual for Environmental Loss Contingencies, Revision in Estimates                 $ 11    
Massena West, NY | Construction in Progress                      
Site Contingency [Line Items]                      
Environmental remediation               3      
Massena West, NY | Maintenance                      
Site Contingency [Line Items]                      
Environmental remediation               $ 25