Goodwill and Other Identifiable Intangible Assets (Carrying Amount of Goodwill) (Details) $ in Millions	6 Months Ended
Jun. 30, 2022 USD ($)
Goodwill [Roll Forward]
Beginning Balance	$ 6,248
Acquisitions	(25)
Goodwill, Written off Related to Sale of Business Unit	(40)
Currency	(114)
Ending Balance	6,119
Performance Coatings
Goodwill [Roll Forward]
Beginning Balance	5,034
Acquisitions	(31)
Goodwill, Written off Related to Sale of Business Unit	(40)
Currency	(83)
Ending Balance	4,942
Industrial Coatings
Goodwill [Roll Forward]
Beginning Balance	1,214
Acquisitions	6
Goodwill, Written off Related to Sale of Business Unit	0
Currency	(31)
Ending Balance	$ 1,177

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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