Condensed Consolidated Statement of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Operating activities:
Net income attributable to controlling and noncontrolling interests	$ 354	$ 327
Less: Income from discontinued operations	0	(1)
Income from continuing operations	354	326
Adjustments to reconcile net income to cash from operations:
Depreciation and amortization	121	120
Pension expense	19	24
Stock-based compensation expense	10	15
Equity affiliate earnings, net of distributions received	(3)	(6)
Deferred income tax (benefit) expense	(4)	12
(Gains) / Losses on Derivative Instruments	0	(55)
Cash contributions to pension plans	(6)	(276)
Restructuring cash spend	(18)	(13)
Change in certain asset and liability accounts:
Receivables	(269)	(327)
Inventories	(120)	(136)
Other current assets	(83)	(66)
Accounts payable and accrued liabilities	90	(63)
Taxes and interest payable	(57)	67
Noncurrent assets and liabilities, net	(4)	(33)
Other	29	(18)
Cash from / (used for) operating activities	59	(429)
Investing activities:
Capital expenditures	(77)	(72)
Business acquisitions, net of cash balances acquired	(6)	(9)
Proceeds from the disposition of PPG's interest in the Transitions Optical joint venture and sunlens business	0	47
Proceeds from maturity of short-term investments	31	51
Payments for the settlement of cross currency swap contracts	(36)	(34)
Proceeds from the settlement of cross currency swap	19	19
Net investment hedge, proceeds	0	19
Other	6	14
Cash (used for) / from investing activities	(63)	35
Financing activities:
Net change in borrowing with maturities of three months or less	2	(20)
Net proceeds (payments) on commercial paper and short-term debt	86	(497)
Proceeds from the issuance of debt	0	1,242
Repayment of long-term debt	(251)	(1)
Purchase of treasury stock	(150)	(200)
Issuance of treasury stock	14	44
Dividends paid	(96)	(91)
Other	(14)	(19)
Cash (used for) / from financing activities	(409)	458
Effect of currency exchange rate changes on cash and cash equivalents	11	(15)
Net (decrease) / increase in cash and cash equivalents	(402)	49
Cash and cash equivalents, beginning of period	1,311	686
Cash and cash equivalents, end of period	909	735
Interest paid, net of amount capitalized	33	17
Taxes paid, net of refunds	$ 108	$ 83