Attached files

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10-Q - FORM 10-Q - NORTHROP GRUMMAN CORP /DE/noc-3312013x10q.htm
EXCEL - IDEA: XBRL DOCUMENT - NORTHROP GRUMMAN CORP /DE/Financial_Report.xls
EX-32.1 - CERTIFICATION OF WESLEY G. BUSH - NORTHROP GRUMMAN CORP /DE/noc-3312013xex321.htm
EX-31.2 - CERTIFICATION OF JAMES F. PALMER - NORTHROP GRUMMAN CORP /DE/noc-3312013xex312.htm
EX-15 - LETTER FROM INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM - NORTHROP GRUMMAN CORP /DE/noc-3312013xex15.htm
EX-32.2 - CERTIFICATION OF JAMES F. PALMER - NORTHROP GRUMMAN CORP /DE/noc-3312013xex322.htm
EX-31.1 - CERTIFICATION OF WESLEY G. BUSH - NORTHROP GRUMMAN CORP /DE/noc-331x2013xex311.htm


NORTHROP GRUMMAN CORPORATION
 
EXHIBIT 12(a)
NORTHROP GRUMMAN CORPORATION
COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES

$ in millions
Three Months Ended March 31
 
Year Ended December 31
Earnings:
2013
 
2012
 
2012
2011
2010
2009
2008
Earnings from continuing operations before income taxes
         $
712

 
         $
756

 
      $
2,965

      $
3,083

      $
2,366

      $
2,070

      $
1,841

Fixed Charges:
 
 
 
 
 
 
 
 
 
Interest expense, including amortization of debt premium
53

 
53

 
212

221

269

269

271

Portion of rental expenses on operating leases deemed to be representative of the interest factor
25

 
28

 
116

140

149

167

177

Earnings from continuing operations before income taxes and fixed charges
         $
790

 
         $
837

 
      $
3,293

      $
3,444

      $
2,784

      $
2,506

      $
2,289

Fixed Charges:
         $
78

 
         $
81

 
      $
328

      $
361

      $
418

      $
436

      $
448

Ratio of earnings to fixed charges
10.1

 
10.3

 
10.0

9.5

6.7

5.7

5.1