Consolidated Statement of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash Flows from Operating Activities
Net income including noncontrolling interest	$ 3,902	$ 3,802
Adjustments to reconcile net income including noncontrolling interest to net cash provided by operating activities
Depreciation and amortization	1,090	1,038
Company pension and postretirement contributions	(323)	(216)
Company pension and postretirement expense	180	418
Stock-based compensation expense	244	233
Deferred income taxes	(100)	393
Excess tax benefits from stock-based compensation		(137)
Changes in assets and liabilities
Accounts receivable	(469)	(478)
Inventories	(15)	(139)
Accounts payable	(107)	(112)
Accrued income taxes (current and long-term)	155	(588)
Other - net	(104)	(132)
Net cash provided by operating activities	4,453	4,082
Cash Flows from Investing Activities
Purchases of property, plant and equipment (PP&E)	(984)	(1,015)
Proceeds from sale of PP&E and other assets	18	17
Acquisitions, net of cash acquired	(17)	(2,910)
Purchases of marketable securities and investments	(1,036)	(486)
Proceeds from maturities and sale of marketable securities and investments	794	1,742
Proceeds from sale of businesses	56	19
Other investing	(4)	22
Net cash used in investing activities	(1,173)	(2,611)
Cash Flows from Financing Activities
Change in short-term debt - net	(498)	1,160
Repayment of debt (maturities greater than 90 days)	(992)	(793)
Proceeds from debt (maturities greater than 90 days)	2,832	3,420
Purchases of treasury stock	(2,829)	(4,104)
Proceeds from issuance of treasury stock pursuant to stock option and benefit plans	741	518
Dividends paid to shareholders	(2,014)	(1,933)
Excess tax benefits from stock-based compensation		137
Other - net	(20)	(99)
Net cash used in financing activities	(2,780)	(1,694)
Effect of exchange rate changes on cash and cash equivalents	10	(69)
Net increase (decrease) in cash and cash equivalents	510	(292)
Cash and cash equivalents at beginning of year	1,798	1,897
Cash and cash equivalents at end of period	$ 2,308	$ 1,605