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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Cash flows from operating activities: |  |  |
Net income | $ 2,328 | $ 2,483 | $ 1,985
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 755 | 628 | 555
Deferred income taxes | (333) | (97) | (352)
Stock-based compensation | 92 | 80 | 73
Excess tax benefit from stock-based compensation | (20) | (25) | (22)
Equity income in unconsolidated affiliates | (63) | (58) | (46)
Dividend from unconsolidated affiliates | 66 | 61 | 45
Other | 84 | 84 | 69
Change in operating assets and liabilities, net of acquisitions: |  |  |
Receivables | (493) | (517) | (696)
Inventories | 396 | (1,061) | (591)
Costs in excess of billings | (314) | (632) | 222
Prepaid and other current assets | 30 | (224) | (44)
Accounts payable | 9 | (19) | 205
Billings in excess of costs | 582 | 324 | 354
Income taxes payable | 211 | (409) | 283
Other assets/liabilities, net | 67 | 2 | 103
Net cash provided by operating activities | 3,397 | 620 | 2,143
Cash flows from investing activities: |  |  |
Purchases of property, plant and equipment | (669) | (583) | (483)
Business acquisitions, net of cash acquired | (2,397) | (2,880) | (1,038)
Business divestitures, net of cash disposed | 30 |  |
Dividend from unconsolidated affiliate |  |  | 13
Other, net | 72 | 35 | 50
Net cash used in investing activities | (2,964) | (3,428) | (1,458)
Cash flows from financing activities: |  |  |
Borrowings against lines of credit and other debt | 2,609 | 5,575 |
Payments against lines of credit and other debt | (2,610) | (2,938) | (391)
Cash dividends paid | (389) | (209) | (191)
Proceeds from stock options exercised | 58 | 113 | 96
Excess tax benefit from stock-based compensation | 20 | 25 | 22
Other | 7 | 17 |
Net cash provided by (used in) financing activities | (305) | 2,583 | (464)
Effect of exchange rates on cash | (11) | 9 | (19)
Increase (decrease) in cash and cash equivalents | 117 | (216) | 202
Cash and cash equivalents, beginning of period | 3,319 | 3,535 | 3,333
Cash and cash equivalents, end of period | 3,436 | 3,319 | 3,535
Cash payments during the period for: |  |  |
Interest | 111 | 40 | 44
Income taxes | $ 1,099 | $ 1,572 | $ 945

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Period Type: | duration

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- Definition The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition The net cash inflow or outflow from other financing activities. This element is used when there is not a more specific and appropriate element in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3095-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3098-108585 + Details
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Balance Type: | debit
Period Type: | duration

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- Definition The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=31814832&loc=SL4591552-111686 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4569616-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=18733093&loc=SL4573702-111684 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=31814832&loc=SL4591551-111686 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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