Goodwill and Other Identifiable Intangible Assets (Carrying Amount of Goodwill) (Details) $ in Millions	6 Months Ended
	Jun. 30, 2023 USD ($)
Goodwill [Roll Forward]
Beginning Balance	$ 6,078
Acquisitions, including purchase accounting adjustments	132
Foreign currency impact	84
Ending Balance	6,294
Performance Coatings
Goodwill [Roll Forward]
Beginning Balance	4,881
Acquisitions, including purchase accounting adjustments	122
Foreign currency impact	80
Ending Balance	5,083
Industrial Coatings
Goodwill [Roll Forward]
Beginning Balance	1,197
Acquisitions, including purchase accounting adjustments	10
Foreign currency impact	4
Ending Balance	$ 1,211