X0306 4 2012-12-20 false 0000072207 NOBLE ENERGY INC NBL 0001188192 DAVIDSON CHARLES D 100 GLENBOROUGH DRIVE, SUITE 100 HOUSTON TX 77067 true true false false Chairman & CEO Noble Energy, Inc. Common Stock 3310 I 401(k) Noble Energy, Inc. Common Stock 2012-12-20 4 M false 150000 17.68 A 547070 D Noble Energy, Inc. Common Stock 2012-12-20 4 S false 31938 101.76 D 515132 D Noble Energy, Inc. Common Stock 2012-12-20 4 S false 58062 102.33 D 457070 D Employee Stock Option Grant (right to buy) 17.68 2012-12-20 4 M false 150000 0 D 2004-02-01 2013-02-01 Noble Energy, Inc. Common Stock 150000 0 D The sale price reported in Column 4 of Table I is a weighted average price. These shares were sold in multiple transactions at prices ranging from $101.36 to $101.99, inclusive. The reporting person undertakes to provide to Noble Energy, Inc., any shareholder of Noble Energy, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range. The sale price reported in Column 4 of Table I is a weighted average price. These shares were sold in multiple transactions at prices ranging from $102.00 to $102.64, inclusive. The reporting person undertakes to provide to Noble Energy, Inc., any shareholder of Noble Energy, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range. Transaction pursuant to a Rule 10b5-1 trading plan. Column 5 of Table I includes 89,443 restricted shares of Noble Energy, Inc. Common Stock directly held by the reporting person. Arnold J. Johnson, Attorney-in-Fact 2012-12-21