v2.4.0.8
Debt (Details)
0 Months Ended 0 Months Ended 0 Months Ended 1 Months Ended 3 Months Ended 6 Months Ended 0 Months Ended 6 Months Ended 0 Months Ended 6 Months Ended 6 Months Ended
May 31, 2012
USD ($)
Jun. 30, 2013
USD ($)
Dec. 31, 2012
USD ($)
Jun. 30, 2013
Ultra Deepwater Floater Discoverer Luanda
USD ($)
Dec. 31, 2012
Ultra Deepwater Floater Discoverer Luanda
USD ($)
Feb. 15, 2013
5% Notes due February 2013
USD ($)
Jun. 30, 2013
5% Notes due February 2013
Dec. 31, 2012
5% Notes due February 2013
USD ($)
Mar. 15, 2013
5.25% Senior Notes due March 2013
USD ($)
Jun. 30, 2013
5.25% Senior Notes due March 2013
Dec. 31, 2012
5.25% Senior Notes due March 2013
USD ($)
Jun. 30, 2013
TPDI Credit Facilities due March 2015
USD ($)
Jun. 30, 2013
TPDI Credit Facilities due March 2015
USD ($)
Jun. 30, 2013
TPDI Credit Facilities due March 2015
USD ($)
Dec. 31, 2012
TPDI Credit Facilities due March 2015
USD ($)
Jun. 30, 2013
4.95% Senior Notes due November 2015
USD ($)
Dec. 31, 2012
4.95% Senior Notes due November 2015
USD ($)
Mar. 06, 2013
Callable Bonds due February 2016
USD ($)
Mar. 06, 2013
Callable Bonds due February 2016
NOK
Jun. 30, 2013
Callable Bonds due February 2016
USD ($)
Dec. 31, 2012
Callable Bonds due February 2016
USD ($)
Mar. 06, 2013
FRN Callable Bonds
USD ($)
Mar. 06, 2013
FRN Callable Bonds
NOK
Jun. 30, 2013
11% Callable Bonds
Mar. 06, 2013
11% Callable Bonds
USD ($)
Mar. 06, 2013
11% Callable Bonds
NOK
Jun. 30, 2013
5.05% Senior Notes due December 2016
USD ($)
Dec. 31, 2012
5.05% Senior Notes due December 2016
USD ($)
Jun. 30, 2013
2.5% Senior Notes due October 2017
USD ($)
Dec. 31, 2012
2.5% Senior Notes due October 2017
USD ($)
Jun. 30, 2013
ADDCL Credit Facilities due December 2017
USD ($)
Dec. 31, 2012
ADDCL Credit Facilities due December 2017
USD ($)
Jun. 30, 2013
Eksportfinans Loans due January 2018
USD ($)
Dec. 31, 2012
Eksportfinans Loans due January 2018
USD ($)
Jun. 30, 2013
6.00% Senior Notes due March 2018
USD ($)
Dec. 31, 2012
6.00% Senior Notes due March 2018
USD ($)
Jun. 30, 2013
7.375% Senior Notes due April 2018
USD ($)
Dec. 31, 2012
7.375% Senior Notes due April 2018
USD ($)
Jun. 30, 2013
6.50% Senior Notes due November 2020
USD ($)
Dec. 31, 2012
6.50% Senior Notes due November 2020
USD ($)
Jun. 30, 2013
6.375% Senior Notes due December 2021
USD ($)
Dec. 31, 2012
6.375% Senior Notes due December 2021
USD ($)
Jun. 30, 2013
3.8% Senior Notes due October 2022
USD ($)
Dec. 31, 2012
3.8% Senior Notes due October 2022
USD ($)
Jun. 30, 2013
7.45% Notes due April 2027
USD ($)
Dec. 31, 2012
7.45% Notes due April 2027
USD ($)
Jun. 30, 2013
8% Debentures due April 2027
USD ($)
Dec. 31, 2012
8% Debentures due April 2027
USD ($)
Jun. 30, 2013
7% Notes due June 2028
USD ($)
Dec. 31, 2012
7% Notes due June 2028
USD ($)
Jun. 30, 2013
Capital lease contract due August 2029
USD ($)
Dec. 31, 2012
Capital lease contract due August 2029
USD ($)
Jun. 30, 2013
7.5% Notes due April 2031
USD ($)
Dec. 31, 2012
7.5% Notes due April 2031
USD ($)
Feb. 07, 2013
1.50% Series C Convertible Senior Notes due December 2037
USD ($)
Dec. 31, 2012
1.50% Series C Convertible Senior Notes due December 2037
USD ($)
Jun. 30, 2013
6.80% Senior Notes due March 2038
USD ($)
Dec. 31, 2012
6.80% Senior Notes due March 2038
USD ($)
Jun. 30, 2013
7.35% Senior Notes due December 2041
USD ($)
Dec. 31, 2012
7.35% Senior Notes due December 2041
USD ($)
Jun. 30, 2013
Five Year Revolving Credit Facility
USD ($)
Jun. 30, 2013
Five Year Revolving Credit Facility
Minimum Facility Fee
Jun. 30, 2013
Five Year Revolving Credit Facility
Maximum Facility Fee
Jun. 30, 2013
Three Year Secured Revolving Credit Facility
USD ($)
Jun. 30, 2013
Three Year Secured Revolving Credit Facility
Deepwater Champion, Discoverer Americas and Discoverer Inspiration
USD ($)
Dec. 31, 2012
Three Year Secured Revolving Credit Facility
Deepwater Champion, Discoverer Americas and Discoverer Inspiration
USD ($)
Jun. 30, 2013
Three Year Secured Revolving Credit Facility
Minimum Facility Fee
Jun. 30, 2013
Three Year Secured Revolving Credit Facility
Maximum Facility Fee
Jun. 30, 2013
Transocean Ltd. and Subsidiaries
USD ($)
Dec. 31, 2012
Transocean Ltd. and Subsidiaries
USD ($)
Dec. 31, 2012
Transocean Ltd. and Subsidiaries
5% Notes due February 2013
USD ($)
Dec. 31, 2012
Transocean Ltd. and Subsidiaries
5.25% Senior Notes due March 2013
USD ($)
Dec. 31, 2012
Transocean Ltd. and Subsidiaries
TPDI Credit Facilities due March 2015
USD ($)
Jun. 30, 2013
Transocean Ltd. and Subsidiaries
4.95% Senior Notes due November 2015
USD ($)
Dec. 31, 2012
Transocean Ltd. and Subsidiaries
4.95% Senior Notes due November 2015
USD ($)
Dec. 31, 2012
Transocean Ltd. and Subsidiaries
Callable Bonds due February 2016
USD ($)
Jun. 30, 2013
Transocean Ltd. and Subsidiaries
5.05% Senior Notes due December 2016
USD ($)
Dec. 31, 2012
Transocean Ltd. and Subsidiaries
5.05% Senior Notes due December 2016
USD ($)
Jun. 30, 2013
Transocean Ltd. and Subsidiaries
2.5% Senior Notes due October 2017
USD ($)
Dec. 31, 2012
Transocean Ltd. and Subsidiaries
2.5% Senior Notes due October 2017
USD ($)
Jun. 30, 2013
Transocean Ltd. and Subsidiaries
Eksportfinans Loans due January 2018
USD ($)
Dec. 31, 2012
Transocean Ltd. and Subsidiaries
Eksportfinans Loans due January 2018
USD ($)
Jun. 30, 2013
Transocean Ltd. and Subsidiaries
6.00% Senior Notes due March 2018
USD ($)
Dec. 31, 2012
Transocean Ltd. and Subsidiaries
6.00% Senior Notes due March 2018
USD ($)
Jun. 30, 2013
Transocean Ltd. and Subsidiaries
7.375% Senior Notes due April 2018
USD ($)
Dec. 31, 2012
Transocean Ltd. and Subsidiaries
7.375% Senior Notes due April 2018
USD ($)
Jun. 30, 2013
Transocean Ltd. and Subsidiaries
6.50% Senior Notes due November 2020
USD ($)
Dec. 31, 2012
Transocean Ltd. and Subsidiaries
6.50% Senior Notes due November 2020
USD ($)
Jun. 30, 2013
Transocean Ltd. and Subsidiaries
6.375% Senior Notes due December 2021
USD ($)
Dec. 31, 2012
Transocean Ltd. and Subsidiaries
6.375% Senior Notes due December 2021
USD ($)
Jun. 30, 2013
Transocean Ltd. and Subsidiaries
3.8% Senior Notes due October 2022
USD ($)
Dec. 31, 2012
Transocean Ltd. and Subsidiaries
3.8% Senior Notes due October 2022
USD ($)
Jun. 30, 2013
Transocean Ltd. and Subsidiaries
7.45% Notes due April 2027
USD ($)
Dec. 31, 2012
Transocean Ltd. and Subsidiaries
7.45% Notes due April 2027
USD ($)
Jun. 30, 2013
Transocean Ltd. and Subsidiaries
8% Debentures due April 2027
USD ($)
Dec. 31, 2012
Transocean Ltd. and Subsidiaries
8% Debentures due April 2027
USD ($)
Jun. 30, 2013
Transocean Ltd. and Subsidiaries
7% Notes due June 2028
USD ($)
Dec. 31, 2012
Transocean Ltd. and Subsidiaries
7% Notes due June 2028
USD ($)
Jun. 30, 2013
Transocean Ltd. and Subsidiaries
Capital lease contract due August 2029
USD ($)
Dec. 31, 2012
Transocean Ltd. and Subsidiaries
Capital lease contract due August 2029
USD ($)
Jun. 30, 2013
Transocean Ltd. and Subsidiaries
7.5% Notes due April 2031
USD ($)
Dec. 31, 2012
Transocean Ltd. and Subsidiaries
7.5% Notes due April 2031
USD ($)
Dec. 31, 2012
Transocean Ltd. and Subsidiaries
1.50% Series C Convertible Senior Notes due December 2037
USD ($)
Jun. 30, 2013
Transocean Ltd. and Subsidiaries
6.80% Senior Notes due March 2038
USD ($)
Dec. 31, 2012
Transocean Ltd. and Subsidiaries
6.80% Senior Notes due March 2038
USD ($)
Jun. 30, 2013
Transocean Ltd. and Subsidiaries
7.35% Senior Notes due December 2041
USD ($)
Dec. 31, 2012
Transocean Ltd. and Subsidiaries
7.35% Senior Notes due December 2041
USD ($)
Jun. 30, 2013
Consolidated variable interest entities
USD ($)
Dec. 31, 2012
Consolidated variable interest entities
USD ($)
Jun. 30, 2013
Consolidated variable interest entities
ADDCL Credit Facilities due December 2017
USD ($)
Dec. 31, 2012
Consolidated variable interest entities
ADDCL Credit Facilities due December 2017
USD ($)
Jun. 30, 2013
TPDI
TPDI Credit Facilities due March 2015
USD ($)
Dec. 31, 2012
TPDI
TPDI Credit Facilities due March 2015
USD ($)
Jun. 30, 2013
TPDI
TPDI Credit Facilities Senior Term Loan Due March 2015
USD ($)
Jun. 30, 2013
TPDI
TPDI Credit Facilities Junior Term Loan Due March 2015
USD ($)
Jun. 30, 2013
TPDI
TPDI Credit Facilities Revolving Credit Facility Due March 2015
USD ($)
Dec. 31, 2012
TPDI
Uncommitted Credit Facility Established by Subsidiary
USD ($)
Jun. 30, 2013
ADDCL
ADDCL Credit Facilities Tranche A Due December 2017
USD ($)
Jun. 30, 2013
ADDCL
ADDCL Credit Facilities Tranche C Due December 2017
USD ($)
Jun. 30, 2013
ADDCL
ADDCL Secondary Loan Facility Due December 2015
USD ($)
Dec. 31, 2012
ADDCL
ADDCL Secondary Loan Facility Due December 2015
USD ($)
Long-term debt by current and noncurrent                                                                                                                                                                                                                                                  
Total debt   $ 10,799,000,000 $ 12,459,000,000         $ 250,000,000     $ 502,000,000       $ 403,000,000 $ 1,115,000,000 $ 1,118,000,000       $ 282,000,000           $ 999,000,000 $ 999,000,000 $ 748,000,000 $ 748,000,000 $ 178,000,000 $ 191,000,000 $ 661,000,000 $ 797,000,000 $ 998,000,000 $ 998,000,000 $ 247,000,000 $ 247,000,000 $ 900,000,000 $ 899,000,000 $ 1,199,000,000 $ 1,199,000,000 $ 745,000,000 $ 745,000,000 $ 97,000,000 $ 97,000,000 $ 57,000,000 $ 57,000,000 $ 311,000,000 $ 311,000,000 $ 647,000,000 $ 657,000,000 $ 598,000,000 $ 598,000,000   $ 62,000,000 $ 999,000,000 $ 999,000,000 $ 300,000,000 $ 300,000,000                 $ 10,621,000,000 $ 12,268,000,000 $ 250,000,000 $ 502,000,000 $ 403,000,000 $ 1,115,000,000 $ 1,118,000,000 $ 282,000,000 $ 999,000,000 $ 999,000,000 $ 748,000,000 $ 748,000,000 $ 661,000,000 $ 797,000,000 $ 998,000,000 $ 998,000,000 $ 247,000,000 $ 247,000,000 $ 900,000,000 $ 899,000,000 $ 1,199,000,000 $ 1,199,000,000 $ 745,000,000 $ 745,000,000 $ 97,000,000 $ 97,000,000 $ 57,000,000 $ 57,000,000 $ 311,000,000 $ 311,000,000 $ 647,000,000 $ 657,000,000 $ 598,000,000 $ 598,000,000 $ 62,000,000 $ 999,000,000 $ 999,000,000 $ 300,000,000 $ 300,000,000 $ 178,000,000 $ 191,000,000 $ 178,000,000 $ 191,000,000                    
Debt due within one year   191,000,000 1,367,000,000         250,000,000     502,000,000       70,000,000           282,000,000                   30,000,000 28,000,000 140,000,000 153,000,000                                 21,000,000 20,000,000       62,000,000                         161,000,000 1,339,000,000 250,000,000 502,000,000 70,000,000     282,000,000         140,000,000 153,000,000                                 21,000,000 20,000,000     62,000,000         30,000,000 28,000,000 30,000,000 28,000,000                    
Long-term debt   10,608,000,000 11,092,000,000                                                                                                                                   10,460,000,000 10,929,000,000                                                                           148,000,000 163,000,000                        
Debt instrument interest rate stated percentage             5.00%     5.25%           4.95%               11.00%     5.05%   2.50%           6.00%   7.375%   6.50%   6.375%   3.80%   7.45%   8.00%   7.00%       7.50%       6.80%   7.35%                                                                                                                            
Percentage ownership interest in Transocean Inc. by Transocean Ltd.                                                                                                                                         100.00%                                                                                                        
Credit facility term                                                                                                                         5 years     3 years                                                                                                                  
Borrowing capacity, maximum                                                                                                                         2,000,000,000     900,000,000                                                                                               1,265,000,000       75,000,000   215,000,000 399,000,000 90,000,000  
Weighted-average interest rate (as a percent)                                                                                                                                                                                                                                           1.10%   3.40%  
Debt instrument face amount                                                                                                                                                                                                                                   1,000,000,000 190,000,000            
Commitment fee percentage at period end                                                                                                                         0.275% 0.125% 0.325% 0.375%     0.125% 0.50%                                                                                                          
Credit facility available borrowing capacity                                                                                                                         2,000,000,000     900,000,000                                                                                                                  
Letters of credit issued and outstanding                                                                                                                         24,000,000                                                                                                               60,000,000        
Aggregate principal amount outstanding   10,793,000,000                                       164,000,000 940,000,000   98,000,000 560,000,000                                                                                     10,615,000,000                                                                             178,000,000                          
Aggregate commitment of subsidiary in secured term loan                       595,000,000 595,000,000 595,000,000                                                                                                                                                                                                                      
Credit facility amount outstanding                                                                                                                         0     0                                                                                                           150,000,000   80,000,000  
Debt due to a subsidiary, eliminated in consolidation                                                                                                                                                                                                                                             399,000,000 52,000,000  
Aggregate principal amount repaid 148,000,000         250,000,000     500,000,000     735,000,000                                                                                     62,000,000                                                                                                                                    
Payment made to a subsidiary out of repayment of debt, eliminated in consolidation                       367,000,000                                                                                                                                                                                                                          
Restricted investments used as security for debt instruments                                                                 664,000,000 801,000,000                                                                                                                                                             23,000,000             18,000,000 19,000,000
NOK exchange rate                                     5.73                                                                                                                                                                                                            
Aggregate cash payment made for debt repurchased                                   273,000,000 1,567,000,000                                                                                                                                                                                                            
Percentage of total commitment under ADDCL secondary bank credit agreement provided by subsidiary                                                                                                                                                                                                                                               65.00%  
Aggregate carrying amount assets pledged       753,000,000 786,000,000                                                                                                                       2,300,000,000 2,300,000,000                                                                                                              
Loss on retirement of debt                         $ 1,000,000 $ 1,000,000           $ 1,000,000