Other Operating and Non-Operating Income (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Nonoperating Income (Expense) [Abstract]
Insurance Recoveries	$ 13	$ 2	$ 13	$ 2
Restructuring Charges	0	0	(1)	0
Environmental Remediation Expense	(2)	0	(2)	0
Other Cost and Expense, Operating	0	1	0	1
Other Operating Charges And Credits, Net	11	3	10	3
Net Periodic Defined Benefits Expense (Reversal of Expense), Excluding Service Cost Component	(1)	0	(3)	0
Gain (Loss) on Extinguishment of Debt	0	0	0	(11)
Foreign currency gain (loss)	3	(3)	(5)	0
Other non-operating items	$ 2	$ (3)	$ (8)	$ (11)