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Unaudited Quarterly Financial Information (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 6 Months Ended 12 Months Ended
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Jun. 30, 2012
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Unaudited Quarterly Financial Information                        
Operating revenues and Earnings (losses) from unconsolidated affiliates from continuing operations $ 1,605,390 $ 1,548,965 $ 1,459,326 $ 1,538,373 $ 1,571,745 $ 1,630,380 $ 1,541,841 $ 1,810,367   $ 6,152,054 $ 6,554,333 $ 6,098,928
Income (loss) from continuing operations, net of tax 128,516 (90,510) 28,128 92,207 131,656 64,489 (121,626) 158,546 36,920 158,341 232,974 347,170
Income (loss) from discontinued operations, net of tax 23,113 (14,430) (26,873) 7,011 (103,414) 12,155 26,710 (2,977)   (11,179) (67,526) (97,601)
Less: Net (income) loss attributable to noncontrolling interest (1,026) (441) (5,616) (97) (1,074) (988) 1,174 267   (7,180) (621) (1,045)
Net income (loss) attributable to Nabors 150,603 (105,381) (4,361) 99,121 27,077 75,656 (93,742) 155,836 62,094 139,982 164,827 248,524
Earnings (losses) per share:                        
Basic from continuing operations (in dollars per share) $ 0.43 $ (0.30) $ 0.08 $ 0.31 $ 0.45 $ 0.22 $ (0.41) $ 0.55 $ 0.13 $ 0.51 $ 0.80 $ 1.21
Basic from discontinued operations (in dollars per share) $ 0.07 $ (0.05) $ (0.09) $ 0.03 $ (0.36) $ 0.04 $ 0.09 $ (0.01)   $ (0.04) $ (0.23) $ (0.34)
Total Basic (in dollars per share) $ 0.50 $ (0.35) $ (0.01) $ 0.34 $ 0.09 $ 0.26 $ (0.32) $ 0.54 $ 0.21 $ 0.47 $ 0.57 $ 0.87
Diluted from continuing operations (in dollars per share) $ 0.42 $ (0.30) $ 0.08 $ 0.31 $ 0.45 $ 0.22 $ (0.41) $ 0.54 $ 0.13 $ 0.51 $ 0.79 $ 1.18
Diluted from discontinued operations (in dollars per share) $ 0.08 $ (0.05) $ (0.09) $ 0.02 $ (0.36) $ 0.04 $ 0.09 $ (0.01)   $ (0.04) $ (0.23) $ (0.33)
Total Diluted (in dollars per share) $ 0.50 $ (0.35) $ (0.01) $ 0.33 $ 0.09 $ 0.26 $ (0.32) $ 0.53 $ 0.21 $ 0.47 $ 0.56 $ 0.85
Additional disclosure                        
Earnings (losses) from unconsolidated affiliates $ (1,600) $ (2,600) $ 1,400 $ 2,900 $ 1,200 $ (99,500) $ (156,063) $ (34,321) $ (190,384) $ 39 $ (288,718) $ 85,448