Consolidated Statements Of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Operating Activities
Net earnings including noncontrolling interests	$ 1,288	$ 1,846	$ 2,253
Adjustments to reconcile net earnings to net cash provided by (used in) operating activities
Depreciation and amortization	900	882	894
Asset impairment charges	34	129	41
Deferred income taxes	56	(7)	(59)
Equity in earnings of affiliates, net of dividends	(61)	(50)	(215)
Stock compensation expense	74	79	55
Pension and postretirement accruals (contributions), net	(135)	(112)	13
(Gain) Loss on Extinguishment of Debt	0	189	0
(Gain) loss on sale and revaluation of assets	(130)	(572)	(351)
Other – net	34	(152)	71
Changes in operating assets and liabilities
Segregated cash and investments	262	(314)	(954)
Trade receivables	(160)	913	425
Inventories	(654)	872	1,274
Other current assets	(176)	460	220
Trade payables	161	(774)	(94)
Payables to brokerage customers	87	24	1,167
Accrued expenses and other payables	(105)	(943)	203
Total Operating Activities	1,475	2,470	4,943
Investing Activities
Purchases of property, plant, and equipment	(882)	(1,125)	(894)
Net assets of businesses acquired	(130)	(479)	(2,758)
Proceeds from sale of business and assets	195	1,765	414
Cash divested from deconsolidation	0	0	(12)
Payments to Acquire Equity Method Investments	(662)	(226)	(184)
Purchases of marketable securities	(1,401)	(1,084)	(1,344)
Proceeds from sales of marketable securities	1,659	1,119	1,239
Other – net	10	9	132
Total Investing Activities	(1,211)	(21)	(3,407)
Financing Activities
Long-term debt borrowings	1,041	1,252	1
Long-term debt payments	(14)	(994)	(1,251)
Net borrowings (payments) under lines of credit agreements	61	(18)	(458)
Debt repurchase premium and costs	0	(189)	0
Purchases of treasury stock	(1,000)	(2,040)	(1,183)
Cash dividends	(701)	(687)	(624)
Other – net	34	27	(62)
Total Financing Activities	(579)	(2,649)	(3,577)
Increase (decrease) in cash, cash equivalents, restricted cash, restricted cash equivalents	(315)	(200)	(2,041)
Cash, cash equivalents, restricted cash, and restricted cash equivalents - beginning of period	1,003	1,203	3,244
Cash, cash equivalents, restricted cash, and restricted cash equivalents - end of period	688	1,003	1,203
Reconciliation of cash, cash equivalents, restricted cash, and restricted cash equivalents to consolidated balance sheets [Abstract]
Cash and cash equivalents	619	910	1,099
Restricted cash and cash equivalents included in segregated cash and investments	69	93	104
Cash paid for interest and income taxes were as follows:
Interest	283	334	338
Income taxes	$ 398	$ 602	$ 720