CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Operating activities
Net income	$ 1,417	$ 1,447
Adjustments to reconcile to net cash provided by operating activities
Depreciation and amortization	700	692
Deferred income taxes	(105)	(101)
Pension and other postretirement benefits expense	177	244
Contributions to pension plans	(114)	(290)
Contributions to other postretirement benefits plans	(26)	(24)
Changes in working capital	(224)	(184)
Other - net	89	(155)
Net cash provided by operating activities	1,914	1,629
Investing activities
Capital expenditures for property, plant and equipment	(346)	(368)
Cash received from (paid for) acquisitions of businesses, net of cash acquired	1	(38)
Sales (purchases) of short-term investments - net	(29)	76
Proceeds from sale of businesses	0	1
Other - net	3	(44)
Net cash used in investing activities	(371)	(373)
Financing activities
Proceeds from borrowings	633	1
Payments on borrowings	(666)	(405)
Cash dividends paid	(780)	(771)
Exercise of employee stock options	60	48
Repurchase of shares	(567)	(454)
Other - net	(5)	(8)
Net cash used in financing activities	(1,325)	(1,589)
Effect of currency on cash	8	(30)
Total increase (decrease) in cash	226	(363)
Cash at the beginning of the period	268	781
Cash at the end of the period	$ 494	$ 418