v2.4.0.6

CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified	Dec. 31, 2010	Nov. 30, 2010	Dec. 31, 2009
Trade accounts receivable, allowance (in dollars)	$ 177		$ 192
Common shares, par value (in dollars per share)	$ 0.01		$ 0.01
Common shares authorized	400,000,000		400,000,000
Common shares issued	146,635,083		134,096,906
Mandatory convertible preference shares
Preference shares, par value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01
Preference shares authorized	862,500		862,500
Preference shares issued	0	862,455	862,455
Preference shares outstanding	0	862,455	862,455
Preference shares liquidation preference (in dollars per share)	$ 1,000	$ 1,000	$ 1,000
Convertible perpetual preference shares
Preference shares, par value (in dollars per share)	$ 0.01		$ 0.01
Preference shares authorized	6,900,000		6,900,000
Preference shares issued	6,900,000		6,900,000
Preference shares outstanding	6,900,000		6,900,000
Preference shares liquidation preference (in dollars per share)	$ 100		$ 100

X

- Definition

A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

+ References

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 4

-Article 5

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- Definition

Face amount or stated value of common stock per share; generally not indicative of the fair market value per share.

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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-Number 210

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share.

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Face amount or stated value per share of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer); generally not indicative of the fair market value per share.

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The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

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Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

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Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

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