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Debt (Tables)

12 Months Ended

Dec. 31, 2012

Annual Contractual Maturities of Principal on Debt Outstanding

Annual contractual maturities of principal on debt outstanding at December 31, 2012, are as follows:

In millions
2013		$	15
2014			26
2015			53
2016			195
Total		$	289

X

- Definition

Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 470

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration