Condensed Consolidated Statement of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Operating activities:
Net income attributable to controlling and noncontrolling interests	$ 730	$ 669
Less: Income from discontinued operations	0	(1)
Income from continuing operations	730	668
Adjustments to reconcile net income to cash from operations:
Depreciation and amortization	242	245
Pension expense	37	49
Stock-based compensation expense	27	40
Business restructuring	0	140
Gain on sale of equity affiliate	(20)	0
Equity affiliate earnings, net of distributions received	(6)	(13)
Deferred income tax (benefit) expense	201	(46)
Cash contributions to pension plans	(13)	(283)
Restructuring cash spend	(30)	(22)
Cash paid for asbestos settlement funding	(813)	0
Change in certain asset and liability accounts:
Receivables	(368)	(591)
Inventories	(104)	(80)
Other current assets	(26)	(84)
Accounts payable and accrued liabilities	139	20
Taxes and interest payable	(71)	136
Noncurrent assets and liabilities, net	4	27
Other	46	(20)
Cash (used for) / from operating activities	(25)	186
Investing activities:
Capital expenditures	(168)	(162)
Business acquisitions, net of cash balances acquired	(10)	(26)
Proceeds from the disposition of PPG's interest in the Transitions Optical joint venture and sunlens business	0	47
Proceeds from sale of equity affiliate	41	0
Purchase of short-term investments	0	(97)
Proceeds from maturity of short-term investments	92	107
Payments for the settlement of cross currency swap contracts	(36)	(34)
Proceeds from cross currency swap and foreign currency contracts	19	38
Other	9	19
Cash used for investing activities	(53)	(108)
Financing activities:
Net change in borrowing with maturities of three months or less	1	(12)
Net proceeds (payments) on commercial paper and short-term debt	988	(432)
Proceeds from the issuance of debt	3	1,242
Repayment of long-term debt	(252)	(338)
Purchase of treasury stock	(150)	(351)
Issuance of treasury stock	23	50
Dividends paid	(203)	(189)
Other	(21)	(12)
Cash from / (used for) financing activities	389	(42)
Effect of currency exchange rate changes on cash and cash equivalents	(17)	(15)
Net increase in cash and cash equivalents	294	21
Cash and cash equivalents, beginning of period	1,311	686
Cash and cash equivalents, end of period	1,605	707
Interest paid, net of amount capitalized	63	60
Taxes paid, net of refunds	$ 185	$ 158