v2.4.0.8
Supplemental Cash Flow Information (Details) (USD $)
In Millions, unless otherwise specified
0 Months Ended 12 Months Ended
May 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Changes in operating assets and liabilities        
Decrease (increase) in accounts receivable   $ 58 $ (139) $ (174)
Increase in other current assets   (152) (73) (73)
Decrease in other assets   87 12 26
Increase (decrease) in accounts payable and other current liabilities   (625) 931 978
Decrease in other long-term liabilities   (33) (63) (34)
Change in income taxes receivable / payable, net   (151) (156) 80
Net cash provided by (used in) operating activities   (816) 512 803
Certain cash operating activities        
Cash payments for interest   669 719 501
Cash payments for income taxes   457 347 338
Non-cash investing and financing activities        
Capital expenditures, accrued at end of period   167 123 62
Issuance of shares in exchange for noncontrolling interest     367  
Non-cash proceeds received for the sale of assets     194  
Significant Acquisitions and Disposals        
Issuance of shares in exchange for noncontrolling interest 8.7   8.7  
Proceeds from disposal of assets, net   174 191 14
Shelf Drilling Holdings, Ltd
       
Significant Acquisitions and Disposals        
Proceeds from disposal of assets, net     568  
Number of Drilling Units Sold     38  
Non-cash proceeds from sale of assets     $ 195