v2.4.0.6
Consolidated Statements of Cash Flows (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Operating activities      
Net income $ 1,220 $ 1,352 $ 937
Adjustments to reconcile to net cash provided by operating activities      
Depreciation and amortization 598 556 551
Deferred income taxes (155) (113) 26
Pension expense 273 227 179
Contributions to pension plans (413) (372) (403)
Contributions to other postretirement benefits plans (43) (223) (82)
Excess tax benefit from equity-based compensation (21) (57) 0
Changes in working capital      
Accounts receivable-net 108 (219) (305)
Inventory 166 (113) (219)
Accounts payable (220) 92 322
Accrued compensation (52) (38) 203
Accrued income and other taxes (86) 123 (11)
Other current assets 117 11 (46)
Other current liabilites 30 (30) 22
Other-net 142 52 108
Net cash provided by operating activities 1,664 1,248 1,282
Investing activities      
Capital expenditures for property, plant and equipment (593) (568) (394)
Cash paid for acquisitions of businesses, net of cash acquired (6,936) (325) (222)
Sales (purchases) of short-term investments-net 603 103 (392)
Other-net (46) (10) (4)
Net cash used in investing activities (6,972) (800) (1,012)
Financing activities      
Proceeds from borrowings 7,156 381 55
Payments on borrowings (1,324) (78) (102)
Payments of financing costs (117) (3) 0
Cash dividends paid (512) (462) (363)
Exercise of employee stock options 95 71 157
Issuance (repurchase) of shares 159 (343) 0
Excess tax benefit from equity-based compensation 21 57 0
Other-net 2 (4) (8)
Net cash provided by (used in) financing activities 5,480 (381) (261)
Effect of currency on cash 20 (15) (16)
Total increase (decrease) in cash 192 52 (7)
Cash at the beginning of the period 385 333 340
Cash at the end of the period $ 577 $ 385 $ 333