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Consolidated statements of stockholders' equity (USD $)
In Millions |
Total
|
Common Stock [Member]
|
Paid-in Capital [Member]
|
Retained Earnings [Member]
|
Treasury Common Stock [Member]
|
Accumulated Other Comprehensive Income (Loss) [Member]
|
|---|---|---|---|---|---|---|
| Balance at Dec. 31, 2008 | $ 1,740 | $ 1,022 | $ 21,168 | $ (13,814) | $ (790) | |
| Net income | 1,470 | 0 | 0 | 1,470 | 0 | 0 |
| Dividends declared and paid | 0 | 0 | (567) | 0 | 0 | |
| Common stock issued on exercise of stock options | 0 | (120) | 0 | 226 | 0 | |
| Stock repurchases | 0 | 0 | 0 | (961) | 0 | |
| Stock-based compensation | 0 | 186 | 0 | 0 | 0 | |
| Tax impact from exercise of options | (2) | 0 | (2) | 0 | 0 | 0 |
| Other comprehensive income (loss), net of tax | 169 | 0 | 0 | 0 | 0 | 169 |
| Other | 0 | 0 | (5) | 0 | 0 | |
| Balance at Dec. 31, 2009 | 1,740 | 1,086 | 22,066 | (14,549) | (621) | |
| Net income | 3,228 | 0 | 0 | 3,228 | 0 | 0 |
| Dividends declared and paid | 0 | 0 | (592) | 0 | 0 | |
| Common stock issued on exercise of stock options | 0 | (182) | 0 | 588 | 0 | |
| Stock repurchases | 0 | 0 | 0 | (2,450) | 0 | |
| Stock-based compensation | 0 | 190 | 0 | 0 | 0 | |
| Tax impact from exercise of options | 21 | 0 | 21 | 0 | 0 | 0 |
| Other comprehensive income (loss), net of tax | (80) | 0 | 0 | 0 | 0 | (80) |
| Other | 0 | (1) | (7) | 0 | 0 | |
| Balance at Dec. 31, 2010 | 1,740 | 1,114 | 24,695 | (16,411) | (701) | |
| Net income | 2,236 | 0 | 0 | 2,236 | 0 | 0 |
| Dividends declared and paid | 0 | 0 | (644) | 0 | 0 | |
| Common stock issued on exercise of stock options | 1 | (252) | 0 | 898 | 0 | |
| Stock repurchases | 0 | 0 | 0 | (1,973) | 0 | |
| Stock-based compensation | 0 | 269 | 0 | 0 | 0 | |
| Tax impact from exercise of options | 45 | 0 | 45 | 0 | 0 | 0 |
| Other comprehensive income (loss), net of tax | (75) | 0 | 0 | 0 | 0 | (75) |
| Other | 0 | 18 | (9) | 1 | 0 | |
| Balance at Dec. 31, 2011 | $ 1,741 | $ 1,194 | $ 26,278 | $ (17,485) | $ (776) |
| X | ||||||||||
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- Definition
This element represents the amount of recognized equity-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized). Alternate captions include the words "stock-based compensation". Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Tax benefit associated with any equity-based compensation plan other than an employee stock ownership plan (ESOP). The tax benefit results from the deduction by the entity on its tax return for an award of stock that exceeds the cumulative compensation cost for common stock or preferred stock recognized for financial reporting. Includes any resulting tax benefit that exceeds the previously recognized deferred tax asset (excess tax benefits). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Equity impact of aggregate cash, stock, and paid-in-kind dividends declared for common shareholders during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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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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| X | ||||||||||
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- Definition
This element represents Other Comprehensive Income or Loss, Net of Tax, for the period. Includes deferred gains or losses on qualifying hedges, unrealized holding gains or losses on available-for-sale securities, minimum pension liability, and cumulative translation adjustment. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Total of Stockholders' Equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity including portions attributable to both the parent and noncontrolling interests (previously referred to as minority interest), if any. The entity including portions attributable to the parent and noncontrolling interests is sometimes referred to as the economic entity. This excludes temporary equity and is sometimes called permanent equity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
This element represents movements included in the statement of changes in stockholders' equity which are not separately disclosed or provided for elsewhere in the taxonomy. No definition available.
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| X | ||||||||||
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- Definition
Value stock issued during the period as a result of the exercise of stock options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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