Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Operating activities
Net income	$ 1,959	$ 3,636	$ 4,862
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation	1,104	1,254	1,280
Amortization of intangible assets	362	363	323
Net periodic pension benefit cost	591	406	953
Contributions to pension plans	(308)	(311)	(313)
Gain on sales of businesses	(59)	(726)	(2,687)
Other operating activities - net	253	366	170
(Increase) decrease in operating assets:
Accounts and notes receivable	(448)	(88)	(976)
Inventories and other operating assets	164	(318)	(519)
Increase (decrease) in operating liabilities:
Accounts payable and other operating liabilities	(1,063)	(1,064)	240
Accrued interest and income taxes	(239)	194	(154)
Cash provided by operating activities	2,316	3,712	3,179
Investing activities
Purchases of property, plant and equipment	(1,629)	(2,020)	(1,882)
Investments in affiliates	(76)	(42)	(58)
Payments for businesses - net of cash acquired	(152)	0	(133)
Proceeds from sales of businesses - net	139	1,058	4,841
Proceeds from sales of assets, net	17	34	142
Purchases of short-term financial instruments	(1,897)	(936)	(497)
Proceeds from maturities and sales of short-term financial instruments	1,121	950	452
Foreign currency exchange contract settlements	615	430	40
Other investing activities - net	34	189	40
Cash (used for) provided by for investing activities	(1,828)	(337)	2,945
Financing activities
Dividends paid to stockholders	(1,546)	(1,696)	(1,661)
Net (decrease) increase in short-term (less than 90 days) borrowings	(1)	(11)	16
Long-term and other borrowings:
Receipts	3,679	104	2,013
Payments	(1,537)	(1,794)	(1,312)
Repurchase of common stock	(2,353)	(2,000)	(1,000)
Proceeds from exercise of stock options	274	327	536
Payments for noncontrolling interests	(1)	0	(65)
Cash transferred to Chemours at spin-off	(250)	0	0
Other financing activities - net	(88)	(4)	(1)
Cash used for financing activities	(1,823)	(5,074)	(1,474)
Effect of exchange rate changes on cash	(275)	(332)	(88)
(Decrease) increase in cash and cash equivalents	(1,610)	(2,031)	4,562
Cash and cash equivalents at beginning of year	6,910	8,941	4,379
Cash and cash equivalents at end of year	5,300	6,910	8,941
Supplemental cash flow information:
Interest, net of amounts capitalized	341	394	489
Income taxes	$ 885	$ 1,016	$ 1,323