v3.26.1
Commitments and Contingencies - Narrative (Details)
$ in Millions
1 Months Ended 3 Months Ended 9 Months Ended
Jun. 04, 2026
USD ($)
Apr. 12, 2024
USD ($)
Oct. 31, 2022
claim
Nov. 30, 2021
claim
Apr. 30, 2021
claim
Jun. 30, 2026
USD ($)
claim
subsidiary
state
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
claim
subsidiary
state
Jun. 30, 2025
USD ($)
Sep. 30, 2025
USD ($)
claim
Dec. 31, 2024
USD ($)
Nov. 30, 2022
claim
Mar. 31, 2020
corporation
Sep. 30, 2018
jurisdiction
Loss Contingencies [Line Items]                            
Environmental loss contingencies payment period               20 years            
Insurance receivables for asbestos-related liabilities | $           $ 17 $ 1 $ 148 $ 13          
Reserve for environmental liabilities, current | $           $ 21   $ 21   $ 27        
Loss contingency, number of tribal corporations | corporation                         2  
State Of Wisconsin v. Tyco Fire Products, LP And Johnson Controls, Inc.                            
Loss Contingencies [Line Items]                            
Payments for legal settlements | $ $ 10                          
FTC-Related Remediation and Litigation                            
Loss Contingencies [Line Items]                            
Loss contingency, pending claims, number                       6    
Aqueous Film Forming Foam ("AFFF") Litigation                            
Loss Contingencies [Line Items]                            
Loss contingency, number of subsidiaries in civil enforcement action | subsidiary           2   2            
Loss contingency, filed petition, number of jurisdictions to consolidate into | jurisdiction                           1
AFFF Putative Class Actions                            
Loss Contingencies [Line Items]                            
Loss contingency, pending claims, number           50   50            
Loss contingency, pending claims, number of states originated from | state           21   21            
Loss contingency, proposed claims, number           6   6            
AFFF Individual or Mass Actions                            
Loss Contingencies [Line Items]                            
Loss contingency, pending claims, number           16,515   16,515            
Loss contingency, pending claims, number of states originated from | state           53   53            
AFFF Municipal and Water Provider Cases                            
Loss Contingencies [Line Items]                            
Loss contingency, pending claims, number           403   403            
Loss contingency, pending claims, number of states originated from | state           40   40            
Water Provider AFFF Settlement Agreement                            
Loss Contingencies [Line Items]                            
Contribution to resolve settlement | $   $ 750                        
Reserve for environmental liabilities, current | $                     $ 415      
State or U.S. Territory Attorneys General Litigation Related to AFFF                            
Loss Contingencies [Line Items]                            
Loss contingency, pending claims, number           35   35            
Loss contingency, pending claims, number of states originated from | state           33   33            
Number of pending claims where affiliates are seeking damages           7   7            
State or U.S. Territory Attorneys General Litigation Related to AFFF | Alaska                            
Loss Contingencies [Line Items]                            
Loss contingency, pending claims, number         2                  
Loss contingency, number of pending claims transferred to multi-district litigation         2                  
State or U.S. Territory Attorneys General Litigation Related to AFFF | North Carolina                            
Loss Contingencies [Line Items]                            
Loss contingency, pending claims, number     2 4                    
Loss contingency, number of pending claims transferred to multi-district litigation     2 4                    
AFFF Property Damage                            
Loss Contingencies [Line Items]                            
Loss contingency, pending claims, number                   5