Derivative Financial Instruments and Hedge Activities (Additional Information) (Details)	3 Months Ended		12 Months Ended
	Mar. 31, 2014 USD ($)	Mar. 31, 2013 USD ($)	Dec. 31, 2013 USD ($)	Mar. 31, 2014 EUR (€)	Dec. 31, 2013 EUR (€)	Jul. 30, 2012 USD ($)	Dec. 31, 2011 USD ($)	Jun. 30, 2012 Settlement Date 15 March 2013 USD ($)	Dec. 31, 2011 Settlement Date 15 March 2013 USD ($)	Mar. 31, 2014 Settlement Date 15 March 2018 [Member] USD ($)	Jun. 30, 2012 Settlement Date 15 March 2018 USD ($)
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Nine U.S. dollar to euro cross currency swap contracts, notional amount	$ 940,000,000						$ 1,160,000,000	$ 600,000,000	$ 600,000,000
Derivative Instruments in Hedges, Net Investment in Foreign Operations, Assets, Fair Value	0
Notional amount converted to cash										560,000,000	1,000,000
Fair value of nine U.S. dollar to euro cross currency swap contracts	101,000,000		120,000,000
Euro-denominated borrowings hedging a portion of PPG's net investment in European operations				300,000,000	300,000,000
Accumulated pretax unrealized translation gains (losses) in AOCI, related to both the euro-denominated borrowings and the cross currency swaps that have been designated as hedges of net investments	(42,000,000)		(35,000,000)
Notional amount of swaps outstanding to hedge exposure to variability of interest payments of future debt refinancing						400,000,000
Foreign Currency Contracts, Fair Value, Assets (Liabilities)	17,000,000		(8,000,000)
Derivative, Cash Paid on Settlement of Hedge						121,000,000
Amount deferred in AOCI	101,000,000
Shares of PPG stock that are to be contributed to the asbestos settlement trust	1,388,889		1,388,889
Total principal amount payable for PPG shares contributed to the asbestos settlement	62,000,000		62,000,000
Fair value of the equity forward arrangement to mitigate the impact of changes in fair value of stock contributed to the asbestos settlement trust	214,000,000		207,000,000
Notional Amount of Foreign Currency Derivatives	152,000,000
Other comprehensive income net gain (loss), net of tax, related to derivative financial instruments	$ 3,000,000	$ 5,000,000