The cash outflow or inflow associated with the acquisition of or advances to an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, and joint venture or equity method investment) or the acquisition of an additional interest in a subsidiary (controlled entity). Also includes the cash inflow related to the sale of subsidiary shares. These items are presented net.

No definition available.

+ Details

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- Definition

Percentage of subsidiary's or equity investee's stock owned by parent company as of the balance sheet date.

+ References

No definition available.

+ Details

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- Details

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- Definition

Increase in noncontrolling interest balance because of a business combination that occurred during the period.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Percentage of subsidiary's or equity investee's stock owned by parent company after stock transaction.

+ References

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

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section H

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Supplemental Equity and Comprehensive Income Information (Details 4) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended	12 Months Ended
	Mar. 31, 2011	Sep. 30, 2011	Dec. 31, 2011
Business Acquisitions Information
Cash paid for purchase and sale of subsidiary shares - net		$ 42
Business combination allocation to noncontrolling interest		56
Winterthur Technologie AG
Business Acquisitions Information
Percentage of subsidiary shares owned by entity on the business acquisition date (as a percent)	86.00%
Percentage of subsidiary shares owned by entity as of balance sheet date (as a percent)		98.00%	100.00%
Cash paid for purchase and sale of subsidiary shares - net		50
Business combination allocation to noncontrolling interest	$ 56