Quarterly financial data (unaudited) (Details) - USD ($) $ / shares in Units, $ in Millions |
3 Months Ended | 12 Months Ended | |||||||||
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Dec. 31, 2016 |
Sep. 30, 2016 |
Jun. 30, 2016 |
Mar. 31, 2016 |
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
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| Quarterly Financial Information Disclosure [Abstract] | |||||||||||
| Revenue | $ 3,414 | $ 3,675 | $ 3,273 | $ 3,008 | $ 3,189 | $ 3,429 | $ 3,232 | $ 3,150 | $ 13,370 | $ 13,000 | $ 13,045 |
| Gross profit | 2,133 | 2,280 | 2,003 | 1,824 | 1,866 | 1,997 | 1,881 | 1,816 | 8,240 | 7,560 | 7,427 |
| Acquisition charges | 80 | 80 | 79 | 80 | 81 | 83 | 82 | 83 | 319 | 329 | 330 |
| Restructuring charges/other | (20) | 1 | 2 | 2 | (68) | 0 | (1) | (2) | (15) | (71) | (51) |
| Operating profit | 1,319 | 1,395 | 1,117 | 968 | 1,142 | 1,164 | 1,010 | 958 | 4,799 | 4,274 | 3,947 |
| Net income | $ 1,047 | $ 1,018 | $ 819 | $ 711 | $ 836 | $ 798 | $ 696 | $ 656 | $ 3,595 | $ 2,986 | $ 2,821 |
| Basic earnings per common share | $ 1.04 | $ 1.00 | $ 0.81 | $ 0.70 | $ 0.81 | $ 0.77 | $ 0.66 | $ 0.62 | $ 3.54 | $ 2.86 | $ 2.61 |
| Diluted earnings per common share | $ 1.02 | $ 0.98 | $ 0.79 | $ 0.69 | $ 0.80 | $ 0.76 | $ 0.65 | $ 0.61 | $ 3.48 | $ 2.82 | $ 2.57 |
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- Definition A combination of Restructuring charges with one-time unusual benefits and charges that impact profit from operations but are not included in cost of revenue or operating expenses. Restructuring charges are comprised of costs associated with restructuring activities not otherwise specified in the taxonomy pursuant to a duly authorized plan, excluding a discontinued operation as defined by generally accepted accounting principles. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, but excludes costs associated with the retirement of a long-lived asset and severance costs associated with established compensation plans. No definition available.
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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The net result for the period of deducting operating expenses from operating revenues. No definition available.
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- References No definition available.
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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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