Expense Associated with Expense Acceleration in Connection with the Restructuring Plan

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- Definition

Original number of shares approved for issuance and stock-based awards

+ References

No definition available.

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(1)(i)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph g(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section F

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph 64

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 14.F)

-URI http://asc.fasb.org/extlink&oid=6793087&loc=d3e301413-122809

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- Definition

As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

+ References

+ Details

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

+ References

+ Details

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued 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).

+ References

+ Details

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- Definition

The total fair value of equity-based awards for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

+ References

+ Details

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph a

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The total accumulated difference between fair values of underlying shares on dates of exercise and exercise price on options which were exercised (or share units converted) into shares during the reporting period under the plan.

+ References

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- Definition

Other than shares newly issued, the number of additional shares issued (for example, a stock split) or canceled (for example, to correct a share issuance), during the period under the plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph 65

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

Number of share instruments newly issued under a share-based compensation plan.

+ References

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Equity-Based Compensation (Narrative) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	0 Months Ended	12 Months Ended
	Dec. 18, 2006	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	May 31, 2012
Original number of shares approved for issuance and stock-based awards					37
Shares of common stock approved for issuance for stock and stock-based awards					52.5
Shares awarded under the 2006 Plan		45.3	32.8	26.4
Shares available to issue due to cancellations and forfeitures	8
Compensation and employee benefits expense recognized in income statement		$ 353	$ 261	$ 229
Expense associated with expense acceleration in connection with the restructuring plan		26	25
Aggregate income tax benefit related to compensation expense		139	103	95
Total intrinsic value of options exercised		8	6	2
Restricted Stock [Member]
Weighted-average grant date fair value				$ 44.49
Total fair value of awards vested		64	66	23
Unrecognized compensation cost, net of estimated forfeitures		46
Unrecognized compensation cost, net of estimated forfeitures, period, years		1 year 3 months 18 days
Deferred Stock Awards [Member]
Weighted-average grant date fair value		$ 38.48	$ 41.92	$ 42.45
Total fair value of awards vested		223	107	107
Unrecognized compensation cost, net of estimated forfeitures		351
Unrecognized compensation cost, net of estimated forfeitures, period, years		2 years 8 months 12 days
Performance Awards [Member]
Weighted-average grant date fair value		$ 37.78	$ 42.28	$ 43.33
Total fair value of awards vested		28	10	12
Unrecognized compensation cost, net of estimated forfeitures		$ 10
Unrecognized compensation cost, net of estimated forfeitures, period, years		2 years 1 month 6 days
Maximum [Member] \| Stock Options and Stock Appreciation Rights Granted Under the 1997 and 2006 Plans [Member]
Share-based compensation arrangement by share-based payment award, award vesting period, years		10 years
Maximum [Member] \| Restricted Stock [Member]
Share-based compensation arrangement by share-based payment award, award vesting period, years		4 years
Maximum [Member] \| Deferred Stock Awards [Member]
Share-based compensation arrangement by share-based payment award, award vesting period, years		4 years
Maximum [Member] \| Performance Awards [Member]
Share-based compensation arrangement by share-based payment award, award vesting period, years		4 years
Minimum [Member] \| Stock Options and Stock Appreciation Rights Granted Under the 1997 and 2006 Plans [Member]
Share-based compensation arrangement by share-based payment award, award vesting period, years		4 years
Minimum [Member] \| Restricted Stock [Member]
Share-based compensation arrangement by share-based payment award, award vesting period, years		3 years
Minimum [Member] \| Deferred Stock Awards [Member]
Share-based compensation arrangement by share-based payment award, award vesting period, years		2 years
Minimum [Member] \| Performance Awards [Member]
Share-based compensation arrangement by share-based payment award, award vesting period, years		1 year