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Quarterly Information (unaudited)

12 Months Ended

Dec. 31, 2012

Quarterly Information (unaudited)

Note 13 Quarterly Information (unaudited)

In millions, except per share amounts		First				Second				Third				Fourth
2012
Total revenues		$	613			$	665			$	647			$	740
Gross margin		$	338			$	382			$	361			$	410
Operating income		$	127			$	160			$	143			$	150
Net income		$	91			$	112			$	104			$	112
Net income per share:
Basic		$	0.54			$	0.66			$	0.62			$	0.67
Diluted		$	0.53			$	0.65			$	0.60			$	0.66
2011
Total revenues		$	506			$	581			$	602			$	673
Gross margin		$	275			$	316			$	328			$	374
Operating income		$	91			$	110			$	122			$	133
Net income		$	65			$	103			$	87			$	98
Net income per share:
Basic		$	0.39			$	0.61			$	0.52			$	0.59
Diluted		$	0.38			$	0.60			$	0.51			$	0.57

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- Definition

The entire disclosure for the quarterly financial data in the annual financial statements. The disclosure may include a tabular presentation of financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income or loss before extraordinary items and earnings per share data. It also includes an indication if the information in the note is unaudited, comments on the aggregate effect of year-end adjustments, and an explanation of matters or transactions that affect comparability or are pertinent to an understanding of the information furnished.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 270

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

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 6

-Section G

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 270

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-Section 45

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-URI http://asc.fasb.org/extlink&oid=6372559&loc=d3e765-108305



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

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 28

-Paragraph 30

-Subparagraph a-j

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 270

-SubTopic 10

-Section 45

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-URI http://asc.fasb.org/extlink&oid=6372559&loc=d3e725-108305



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

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 28

-Paragraph 23, 24

-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 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-K (SK)

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-Section 302

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