This element represents acquisition-related costs (e.g., finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees) and integration costs (e.g., business integration costs, systems integration and conversion costs, and severance and other employee-related costs) incurred to effect a business combination which costs have been expensed during the period.

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- Definition

Amount of cash paid in the period for merger-related costs.

+ Details

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- Details

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- Definition

Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan, excluding costs or losses pertaining to an entity newly acquired in a business combination and to asset retirement obligations.

+ References

+ Details

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- Definition

Carrying amount as of the balance sheet date of known and estimated obligations associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding costs or losses pertaining to an entity newly acquired in a business combination, which are expected to be paid in the next twelve months or in the normal operating cycle if longer. 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, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 5
-Section P
-Subsection 4

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 146
-Paragraph 20

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Emerging Issues Task Force (EITF)
-Number 95-3

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Reserve increase representing the amount charged against earnings in the period for a specified incurred and estimated type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 146

+ Details

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- Definition

Amount of cash paid in the period to fully or partially settle a specified, previously accrued type of restructuring cost.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Emerging Issues Task Force (EITF)
-Number 95-3

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 5
-Section P
-Subsection 3, 4

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 146

+ Details

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Merger-Related and Restructuring Costs (Details) (USD $) In Millions	3 Months Ended		6 Months Ended		12 Months Ended	30 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Dec. 31, 2010	Jun. 30, 2011
Merger Related Costs [Abstract]
Merger-related costs incurred	$ 4		$ 4
Merger-related costs, cash paid	(4)
Restructuring Reserve [Line Items]
Restructuring reserve, balance at beginning of period			22	21	21
Costs incurred	5	20	11	31	52	144
Cash paid	(10)	(14)	(22)	(28)	(51)	(133)
Restructuring reserve, balance at end of period	11		11		22	11
Remaining liability, current portion	9		9			9
Employee Termination [Member]
Restructuring Reserve [Line Items]
Restructuring reserve, balance at beginning of period			14	20	20
Costs incurred			5		33
Cash paid			(12)		(39)
Restructuring reserve, balance at end of period	7		7		14	7
Other Exit Costs [Member]
Restructuring Reserve [Line Items]
Restructuring reserve, balance at beginning of period			8	1	1
Costs incurred			6		19
Cash paid			(10)		(12)
Restructuring reserve, balance at end of period	$ 4		$ 4		$ 8	$ 4