Contingencies - Additional Information (Details) $ in Millions	3 Months Ended		12 Months Ended
	Dec. 31, 2021 USD ($) site claim	Jun. 30, 2021 claim	Sep. 30, 2021 USD ($) claim
Loss Contingencies [Line Items]
Environmental accrual balance	$ 13		$ 13
Discounted amount environmental accrual for on-going operations maintenance and monitoring	12
Undiscounted amount environmental accrual for on-going operations maintenance and monitoring	$ 13
Rockwell Asbestos
Loss Contingencies [Line Items]
Number of pending claims | claim	600		600
Number of claims dismissed | claim		600
Obligation period for asbestos personal injury claims	37 years		37 years
Pending and future claims	$ 59
Insurance settlement	6
Asbestos-related insurance recoveries	$ 55		$ 51
Low Range
Loss Contingencies [Line Items]
Site contingency, accrual, discount rate	0.00%
Low Range | Rockwell Asbestos
Loss Contingencies [Line Items]
Possible loss			60
High Range
Loss Contingencies [Line Items]
Site contingency, accrual, discount rate	2.00%
Superfund Sites
Loss Contingencies [Line Items]
Number of superfund environmental sites | site	10
Environmental costs reasonably possible	$ 21
Environmental accrual balance	9		9
Non-Superfund Sites
Loss Contingencies [Line Items]
Environmental costs reasonably possible	10
Environmental accrual balance	$ 4		$ 4