Financial Instruments, Hedging Activities and Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2014

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Fair Value, Cash Flow and Net Investment Hedges

The following tables provide details for the years ended December 31, 2014, 2013 and 2012 related to PPG's hedging activities. All dollar amounts are pre-tax.

	December 31, 2014
Hedge Type ($ in millions)		Gain Deferred in OCI		Gain (Loss) Recognized
				Amount			Caption
Fair Value
	Foreign currency contracts	Not applicable		$	1		Sales
	Equity forward arrangements	Not applicable		60			Asbestos - net
	Total Fair Value			$	61
Cash Flow
	Forward starting swaps	$	—	$	(104	)	Interest expense and Other charges
	Foreign currency contracts(a)	51		47			Other charges
	Total Cash Flow	$	51	$	(57	)
Net Investment
	Cross currency swaps	$	81				Other charges
	Foreign denominated debt	75					Other charges
	Foreign currency contracts	48					Other charges
	Total Net Investment	$	204

(a) The ineffective portion related to this item was $7 million of expense.

	December 31, 2013
Hedge Type ($ in millions)		Gain (Loss) Deferred in OCI			Gain (Loss) Recognized
					Amount			Caption
Fair Value
	Foreign currency contracts	Not applicable			$	1		Sales
	Equity forward arrangements	Not applicable			77			Asbestos - net
	Total Fair Value				$	78
Cash Flow
	Forward starting swaps	$	—		$	(12	)	Interest expense
	Foreign currency contracts(a)	33			33			Other charges
	Total Cash Flow	$	33		$	21
Net Investment
	Cross currency swaps	$	(28	)				Other charges
	Foreign denominated debt	(16		)				Other charges
	Total Net Investment	$	(44	)

(a) The ineffective portion related to this item was $8 million of expense.

	December 31, 2012
Hedge Type ($ in millions)		Gain (Loss) Deferred in OCI			Gain (Loss) Recognized
					Amount			Caption
Fair Value
	Foreign currency contracts	Not applicable			$	1		Sales
	Equity forward arrangements	Not applicable			74			Asbestos - net
	Total Fair Value				$	75
Cash Flow
	Natural gas swaps	$	(2	)	$	(11	)	Cost of sales and Income from Discontinued operations, net of tax
	Interest rate swaps	(1		)	(2		)	Income from Discontinued operations, net of tax
	Forward starting swaps(a)	(26		)	(5		)	Interest expense
	Foreign currency contracts(b)	(9		)	(9		)	Other charges
	Total Cash Flow	$	(38	)	$	(27	)
Net Investment
	Cross currency swaps	$	3					Other charges
	Foreign denominated debt	(7		)				Other charges
	Total Net Investment	$	(4	)