Commitments and Contingencies - Product Liability (Details) $ in Millions	1 Months Ended			3 Months Ended		9 Months Ended
	Sep. 30, 2023 USD ($) bellwetherPlaintiff case	Aug. 31, 2023 USD ($)	Dec. 31, 2020 plaintiff	Sep. 30, 2023 USD ($) case	Jun. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) case plaintiff lawsuit	Jul. 31, 2022 USD ($)
State court
Product Liability Litigation
Number of lawsuits filed | case						4
Product Liability - Dual-Ended Combat Arms Earplugs
Product Liability Litigation
Committed amount to product liability accrual							$ 1,000
Pre-tax charge on product liability					$ 1,200
Product Liability - Dual-Ended Combat Arms Earplugs | Multi-district litigation (MDL)
Product Liability Litigation
Total number of named claimants | plaintiff			3
Product Liability - Dual-Ended Combat Arms Earplugs | Aearo Entities
Product Liability Litigation
Committed amount to product liability accrual	$ 600			$ 600		$ 600
Product Liability - Dual-Ended Combat Arms Earplugs | Other Investments | Aearo Entities
Product Liability Litigation
Committed amount to product liability accrual	700			700		700
Product Liability - Dual-Ended Combat Arms Earplugs | Other Liabilities | Aearo Entities
Product Liability Litigation
Committed amount to product liability accrual	900			900		900
Product Liability - Dual-Ended Combat Arms Earplugs | Other Assets | Aearo Entities
Product Liability Litigation
Committed amount to product liability accrual	300			300		$ 300
Product Liability - Dual-Ended Combat Arms Earplugs | Additional Projected Case Expenses
Product Liability Litigation
Committed amount to product liability accrual							$ 200
Product Liability - Dual-Ended Combat Arms Earplugs | Minimum
Product Liability Litigation
Total number of named claimants | plaintiff						260,000
Product Liability - Dual-Ended Combat Arms Earplugs | Maximum
Product Liability Litigation
Total number of named claimants | plaintiff						285,000
CAE Settlement | Settled Litigation
Product Liability Litigation
Pre-tax charge on product liability				4,200
Settlement amount paid		$ 6,000
Cash consideration		5,000
Payments in common stock		$ 1,000
Percentage of individuals with potential litigation claims enrolled		98.00%
Pre-tax present value		$ 5,300
Estimated discount interest rate		5.60%
Accrual, net		$ 1,100
Litigation payments	10
Payments for fees and settlements related to litigation	$ 147
Number of bellwether plaintiffs | bellwetherPlaintiff	13
Accrued loss contingency reserve	$ 5,200			5,200		$ 5,200
CAE Settlement | Other current liabilities | Settled Litigation
Product Liability Litigation
Accrued loss contingency reserve	1,800			1,800		1,800
CAE Settlement | Other liabilities | Settled Litigation
Product Liability Litigation
Accrued loss contingency reserve	$ 3,400			$ 3,400		3,400
CAE Settlement | Product Liability Dual Ended Combat Arms Earplugs & CAE Settlement | Settled Litigation
Product Liability Litigation
Increase (decrease) accrued loss contingency reserve						$ 4,200
Product Liability - Bair Hugger
Product Liability Litigation
Number of lawsuits filed | lawsuit						5,922
Number of lawsuits pending | case	2			2		2
Product Liability - Bair Hugger | Canada
Product Liability Litigation
Number of lawsuits filed | lawsuit						1
Product Liability - Bair Hugger | U.S. District Court for the District of Minnesota
Product Liability Litigation
Number of lawsuits filed | lawsuit						61