Condensed Consolidated Balance Sheet (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 735	$ 686
Short-term investments	435	497
Receivables (less allowance for doubtful accounts of $76 and $87)	2,961	2,815
Inventories	1,881	1,825
Deferred income taxes	373	406
Other	699	621
Total current assets	7,084	6,850
Property, plant and equipment (net of accumulated depreciation of $4,275 and $4,378)	2,965	3,092
Goodwill	3,541	3,801
Identifiable intangible assets, net	2,277	2,411
Deferred income taxes	450	505
Investments	449	443
Other assets	602	481
Total	17,368	17,583
Current liabilities:
Accounts payable and accrued liabilities	3,329	3,548
Asbestos settlement	813	821
Restructuring reserves	10	26
Short-term debt and current portion of long-term debt	621	481
Total current liabilities	4,773	4,876
Long-term debt	4,023	3,544
Accrued pensions	663	995
Other postretirement benefits	1,118	1,132
Asbestos settlement	263	259
Deferred income taxes	624	702
Other liabilities	746	810
Total liabilities	12,210	12,318
Commitments and contingent liabilities (Note 15)
Shareholders’ equity:
Common stock	484	484
Additional paid-in capital	1,073	1,028
Retained earnings	14,728	14,498
Treasury stock, at cost	(8,898)	(8,714)
Accumulated other comprehensive loss	(2,309)	(2,116)
Total PPG shareholders’ equity	5,078	5,180
Noncontrolling interests	80	85
Total shareholders’ equity	5,158	5,265
Total	$ 17,368	$ 17,583