Contingencies - Additional Information (Details) $ in Millions	3 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2021 claim	Mar. 31, 2022 USD ($) site claim	Sep. 30, 2021 USD ($) claim	Dec. 31, 2021 USD ($)
Loss Contingencies [Line Items]
Environmental accrual balance		$ 12	$ 13
Discounted amount environmental accrual for on-going operations maintenance and monitoring		13
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		$ 57
Insurance settlement				$ 6
Asbestos-related insurance recoveries		$ 48	$ 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		8	9
Non-Superfund Sites
Loss Contingencies [Line Items]
Environmental costs reasonably possible		10
Environmental accrual balance		$ 4	$ 4