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Debt (Tables) | 12 Months Ended
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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 |

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- 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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