Other Operating and Non-Operating Income (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Nonoperating Income (Expense) [Abstract]
Insurance recoveries	$ 0		$ 2	$ 0	$ 15
Reorganization charges	(2)		(4)	(9)	(5)
Legal settlement	0		0	(16)	0
Environmental costs	0		0	0	(2)
Gain on asset sales	6		0	6	0
Other	1		9	(1)	9
Other operating credits and charges, net	6		7	(20)	17
Net periodic pension cost, excluding service cost	0		(1)	0	(4)
Loss due to settlement	0	$ (6)	(4)	(6)	(4)
Foreign currency gain (loss)	0		2	(12)	(3)
Other	0		1	1	1
Other non-operating items	$ 0		$ (3)	$ (17)	$ (11)