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Shareholders Equity (Details) (USD $)
In Millions, except Share data |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
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Jun. 30, 2011
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Mar. 31, 2011
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Jun. 30, 2010
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Jun. 30, 2011
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Jun. 30, 2010
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| Cash dividends declared per common share | $ 0.01 | $ 0.01 | |||
| Common stock repurchased under employee stock plans | 28,000,000 | ||||
| Reserve of unissued common shares | 1,500,000,000 | 1,500,000,000 | |||
| Issued restricted stock units | 196,000,000 | ||||
| Authorized restricted stock units be settled in common shares | 129,000,000 | 129,000,000 | |||
| Preferred Stock Summary (Textuals) [Abstract] | |||||
| Preferred stock dividends | $ 301 | $ 310 | $ 340 | $ 611 | $ 688 |
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Common Stock and Additional Paid-in Capital [Member]
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| Common stock issued under employee plans | 48,035,000 | 96,773,000 | |||
| X | ||||||||||
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- Definition
Preferred Stock Summary Textuals Abstract.
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| X | ||||||||||
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- Definition
This represents the total number of unissued and authorized common shares that have been reserved for future issuances under employee stock plans, common stock warrants, convertible notes and preferred stock.
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| X | ||||||||||
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- Definition
Represents the number of shares issued during the period as a result of the exercise of stock options and related to Restricted Stock Awards, net of the stock value of such awards forfeited.
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| X | ||||||||||
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- Definition
Aggregate dividends declared during the period for each share of common stock outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The maximum number of shares authorized for issuance under the deferred compensation arrangement as of the balance sheet date. 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 preferred shareholders during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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