Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Operating activities
Net income	$ 1,873	$ 1,220	$ 1,352
Adjustments to reconcile to net cash provided by operating activities
Depreciation and amortization	997	598	556
Deferred income taxes	(311)	(155)	(113)
Pension and other postretirement benefits expense	384	335	295
Contributions to pension plans	(341)	(413)	(372)
Contributions to other postretirement benefits plans	(59)	(43)	(223)
Excess tax benefit from equity-based compensation	(32)	(21)	(57)
Changes in working capital
Accounts receivable - net	(231)	108	(219)
Inventory	(92)	166	(113)
Accounts payable	86	(220)	92
Accrued compensation	0	(52)	(38)
Accrued income and other taxes	1	(86)	123
Other current assets	(42)	117	11
Other current liabilites	(46)	30	(30)
Other - net	98	80	(16)
Net cash provided by operating activities	2,285	1,664	1,248
Investing activities
Capital expenditures for property, plant and equipment	(614)	(593)	(568)
Cash paid for acquisitions of businesses, net of cash acquired	(9)	(6,936)	(325)
(Purchases) sales of short-term investments - net	(288)	603	103
Proceeds from the sales of businesses	777	3	15
Other - net	(68)	(49)	(25)
Net cash used in investing activities	(202)	(6,972)	(800)
Financing activities
Proceeds from borrowings	9	7,156	381
Payments on borrowings	(1,096)	(1,324)	(78)
Payments of financing costs	0	(117)	(3)
Cash dividends paid	(796)	(512)	(462)
Exercise of employee stock options	121	95	71
Issuance (repurchase) of shares	0	159	(343)
Excess tax benefit from equity-based compensation	32	21	57
Other - net	(6)	2	(4)
Net cash (used in) provided by financing activities	(1,736)	5,480	(381)
Effect of currency on cash	(9)	20	(15)
Total increase in cash	338	192	52
Cash at the beginning of the period	577	385	333
Cash at the end of the period	$ 915	$ 577	$ 385