Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Operating Activities
Net earnings (loss)	$ 906	$ 285	$ 620
Adjustments to reconcile net earnings (loss) to net cash provided by (used in) operating activities
Asset impairments	2	126	0
Depreciation, amortization and accretion	295	363	298
Pension and postretirement net periodic benefit cost	(54)	(52)	(113)
Pension and postretirement contributions	(350)	(63)	(223)
Actuarial (gain) loss on pension and postretirement plans	103	127	350
Pension curtailments and settlements, net	0	(3)	(78)
Deferred income taxes, net	83	42	124
(Gain) loss on disposition of businesses and assets, net	2	8	8
Stock-based compensation	31	40	46
Undistributed earnings in unconsolidated affiliates	(24)	(5)	(98)
Other, net	15	7	24
Operating cash provided by (used in) discontinued operations	2	(2)	(5)
Changes in operating assets and liabilities
Trade receivables - third party and affiliates, net	(59)	61	23
Inventories	8	62	(15)
Other assets	39	(17)	20
Trade payables - third party and affiliates	7	(111)	(13)
Other liabilities	(113)	(6)	(6)
Net cash provided by (used in) operating activities	893	862	962
Investing Activities
Capital expenditures on property, plant and equipment	(246)	(232)	(254)
Acquisitions, net of cash acquired	(178)	(6)	(10)
Proceeds from sale of businesses and assets, net	12	4	0
Capital expenditures related to Fairway Methanol LLC	0	(288)	(424)
Other, net	(27)	(36)	(17)
Net cash provided by (used in) investing activities	(439)	(558)	(705)
Financing Activities
Net change in short-term borrowings with maturities of 3 months or less	(352)	350	(9)
Proceeds from short-term borrowings	53	80	62
Repayments of short-term borrowings	(90)	(83)	(91)
Proceeds from long-term debt	1,509	0	387
Repayments of long-term debt	(1,127)	(24)	(626)
Purchases of treasury stock, including related fees	(500)	(420)	(250)
Stock option exercises	6	3	5
Series A common stock dividends	(201)	(174)	(144)
(Distributions to) contributions from noncontrolling interests	(24)	214	264
Other, net	(33)	(12)	(13)
Net cash provided by (used in) financing activities	(759)	(66)	(415)
Exchange rate effects on cash and cash equivalents	(24)	(51)	(46)
Net increase (decrease) in cash and cash equivalents	(329)	187	(204)
Cash and cash equivalents as of beginning of period	967	780	984
Cash and cash equivalents as of end of period	$ 638	$ 967	$ 780