Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Operating activities
Net income	$ 2,525	$ 1,959	$ 3,636
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation	939	1,104	1,254
Amortization of intangible assets	319	362	363
Net periodic pension benefit cost	572	591	406
Contributions to pension plans	(535)	(308)	(311)
Gain on sales of business and other assets	436	59	726
Asset related charges	682	147	174
Other operating activities - net	366	106	192
(Increase) decrease in operating assets:
Accounts and notes receivable	(270)	(448)	(88)
Inventories and other operating assets	(54)	164	(318)
Increase (decrease) in operating liabilities:
Accounts payable and other operating liabilities	(704)	(1,063)	(1,064)
Accrued interest and income taxes	(104)	(239)	194
Cash provided by operating activities	3,300	2,316	3,712
Investing activities
Purchases of property, plant and equipment	(1,019)	(1,629)	(2,020)
Investments in affiliates	(19)	(76)	(42)
Payments for businesses - net of cash acquired	0	(152)	0
Proceeds from sale of businesses and other assets - net	316	156	1,092
Purchases of short-term financial instruments	(2,633)	(1,897)	(936)
Proceeds from maturities and sales of short-term financial instruments	2,181	1,121	950
Foreign currency exchange contract settlements	(385)	615	430
Other investing activities - net	45	34	189
Cash (used for) provided by for investing activities	(1,514)	(1,828)	(337)
Financing activities
Dividends paid to stockholders	(1,335)	(1,546)	(1,696)
Net increase (decrease) in short-term (less than 90 days) borrowings	387	(1)	(11)
Long-term and other borrowings:
Receipts	813	3,679	104
Payments	(1,440)	(1,537)	(1,794)
Repurchase of common stock	(916)	(2,353)	(2,000)
Proceeds from exercise of stock options	181	274	327
Cash transferred to Chemours at spin-off	0	(250)	0
Other financing activities - net	(18)	(89)	(4)
Cash used for financing activities	(2,328)	(1,823)	(5,074)
Effect of exchange rate changes on cash	(153)	(275)	(332)
(Decrease) increase in cash and cash equivalents	(695)	(1,610)	(2,031)
Cash and cash equivalents at beginning of year	5,300	6,910	8,941
Cash and cash equivalents at end of year	4,605	5,300	6,910
Supplemental cash flow information:
Interest, net of amounts capitalized	386	341	394
Income taxes	$ 735	$ 885	$ 1,016