XML 102 R76.htm IDEA: XBRL DOCUMENT v3.6.0.2
Long-Term Debt (Details) - USD ($)
$ in Millions
Dec. 31, 2016
Jun. 15, 2016
Apr. 15, 2016
Jan. 22, 2016
Dec. 31, 2015
Apr. 15, 2015
Mar. 03, 2015
Long-term Debt              
Capital lease obligations $ 0       $ 1    
Debt issuance costs (119)       (123)    
Net unamortized debt premium (discount) 88       110    
Total long-term debt, including current portion 23,409       23,988    
Long-term debt due within one year (785)       (176)    
Long-term debt 22,624       23,812    
Transcontinental Gas Pipe Line Company, LLC [Member] | 6.4% Senior Unsecured Notes due 2016 [Member]              
Long-term Debt              
Long-term debt 0       $ 200 [1]    
Long-term debt interest rate     6.40%   6.40%    
Transcontinental Gas Pipe Line Company, LLC [Member] | 6.05% Senior Unsecured Notes due 2018 [Member]              
Long-term Debt              
Long-term debt $ 250       $ 250    
Long-term debt interest rate 6.05%            
Transcontinental Gas Pipe Line Company, LLC [Member] | 7.08% Debentures due 2026 [Member]              
Long-term Debt              
Long-term debt $ 8       8    
Long-term debt interest rate 7.08%            
Transcontinental Gas Pipe Line Company, LLC [Member] | 7.25% Debentures due 2026 [Member]              
Long-term Debt              
Long-term debt $ 200       200    
Long-term debt interest rate 7.25%            
Transcontinental Gas Pipe Line Company, LLC [Member] | 7.85% Senior Unsecured Notes Due 2026 [Member]              
Long-term Debt              
Long-term debt $ 1,000       0    
Long-term debt interest rate 7.85%     7.85%      
Transcontinental Gas Pipe Line Company, LLC [Member] | 5.4% Senior Unsecured Notes due 2041 [Member]              
Long-term Debt              
Long-term debt $ 375       375    
Long-term debt interest rate 5.40%            
Transcontinental Gas Pipe Line Company, LLC [Member] | 4.45% Senior Unsecured Notes due 2042 [Member]              
Long-term Debt              
Long-term debt $ 400       400    
Long-term debt interest rate 4.45%            
Northwest Pipeline LLC [Member] | 7% Senior Unsecured Notes due 2016 [Member]              
Long-term Debt              
Long-term debt $ 0       $ 175    
Long-term debt interest rate   7.00%     7.00%    
Northwest Pipeline LLC [Member] | 5.95% Senior Unsecured Notes due 2017 [Member]              
Long-term Debt              
Long-term debt $ 185       $ 185    
Long-term debt interest rate 5.95%            
Northwest Pipeline LLC [Member] | 6.05% Senior Unsecured Notes due 2018 [Member]              
Long-term Debt              
Long-term debt $ 250       250    
Long-term debt interest rate 6.05%            
Northwest Pipeline LLC [Member] | 7.125% Debentures due 2025 [Member]              
Long-term Debt              
Long-term debt $ 85       85    
Long-term debt interest rate 7.125%            
Williams Partners L.P. [Member]              
Long-term Debt              
Credit facility loans $ 0 [2]       1,310    
Williams Partners L.P. [Member] | 7.25% Senior Unsecured Notes due 2017 [Member]              
Long-term Debt              
Long-term debt $ 600       600    
Long-term debt interest rate 7.25%            
Williams Partners L.P. [Member] | 5.25% Senior Unsecured Notes due 2020 [Member]              
Long-term Debt              
Long-term debt $ 1,500       1,500    
Long-term debt interest rate 5.25%            
Williams Partners L.P. [Member] | 4.125% Senior Unsecured Notes due 2020 [Member]              
Long-term Debt              
Long-term debt $ 600       600    
Long-term debt interest rate 4.125%            
Williams Partners L.P. [Member] | 4% Senior Unsecured Notes due 2021 [Member]              
Long-term Debt              
Long-term debt $ 500       500    
Long-term debt interest rate 4.00%            
Williams Partners L.P. [Member] | 3.6% Senior Unsecured Notes due 2022 [Member]              
Long-term Debt              
Long-term debt $ 1,250       1,250    
Long-term debt interest rate 3.60%           3.60%
Williams Partners L.P. [Member] | 5.875% Senior Unsecured Notes due 2021 [Member]              
Long-term Debt              
Long-term debt interest rate           5.875%  
Williams Partners L.P. [Member] | 3.35% Senior Unsecured Notes due 2022 [Member]              
Long-term Debt              
Long-term debt $ 750       750    
Long-term debt interest rate 3.35%            
Williams Partners L.P. [Member] | 6.125% Senior Unsecured Notes due 2022 [Member]              
Long-term Debt              
Long-term debt $ 750       750    
Long-term debt interest rate 6.125%            
Williams Partners L.P. [Member] | 4.5% Senior Unsecured Notes due 2023 [Member]              
Long-term Debt              
Long-term debt $ 600       600    
Long-term debt interest rate 4.50%            
Williams Partners L.P. [Member] | 4.875% Senior Unsecured Notes due 2023 [Member]              
Long-term Debt              
Long-term debt $ 1,400       1,400    
Long-term debt interest rate 4.875%            
Williams Partners L.P. [Member] | 4.3% Senior Unsecured Notes Due 2024 [Member]              
Long-term Debt              
Long-term debt $ 1,000       1,000    
Long-term debt interest rate 4.30%            
Williams Partners L.P. [Member] | 4.875% Senior Unsecured Notes due 2024 [Member]              
Long-term Debt              
Long-term debt $ 750       750    
Long-term debt interest rate 4.875%            
Williams Partners L.P. [Member] | 3.9% Senior Unsecured Notes due 2025 [Member]              
Long-term Debt              
Long-term debt $ 750       750    
Long-term debt interest rate 3.90%            
Williams Partners L.P. [Member] | 4% Senior Unsecured Notes due 2025 [Member]              
Long-term Debt              
Long-term debt $ 750       750    
Long-term debt interest rate 4.00%           4.00%
Williams Partners L.P. [Member] | 6.3% Senior Unsecured Notes due 2040 [Member]              
Long-term Debt              
Long-term debt $ 1,250       1,250    
Long-term debt interest rate 6.30%            
Williams Partners L.P. [Member] | 5.8% Senior Unsecured Notes due 2043 [Member]              
Long-term Debt              
Long-term debt $ 400       400    
Long-term debt interest rate 5.80%            
Williams Partners L.P. [Member] | 5.4% Senior Unsecured Notes Due 2044 [Member]              
Long-term Debt              
Long-term debt $ 500       500    
Long-term debt interest rate 5.40%            
Williams Partners L.P. [Member] | 4.9% Senior Unsecured Notes due 2045 [Member]              
Long-term Debt              
Long-term debt $ 500       500    
Long-term debt interest rate 4.90%            
Williams Partners L.P. [Member] | 5.1% Senior Unsecured Notes due 2045 [Member]              
Long-term Debt              
Long-term debt $ 1,000       1,000    
Long-term debt interest rate 5.10%           5.10%
Williams Partners L.P. [Member] | Variable Interest Term Loan due 2018 [Member]              
Long-term Debt              
Long-term debt $ 850       850    
Long-term debt interest rate 2.50%            
The Williams Companies, Inc. [Member]              
Long-term Debt              
Credit facility loans $ 775       650    
The Williams Companies, Inc. [Member] | 7.875% Senior Unsecured Notes due 2021 [Member]              
Long-term Debt              
Long-term debt $ 371       371    
Long-term debt interest rate 7.875%            
The Williams Companies, Inc. [Member] | 3.7% Senior Unsecured Notes due 2023 [Member]              
Long-term Debt              
Long-term debt $ 850       850    
Long-term debt interest rate 3.70%            
The Williams Companies, Inc. [Member] | 4.55% Senior Unsecured Notes due 2024 [Member]              
Long-term Debt              
Long-term debt $ 1,250       1,250    
Long-term debt interest rate 4.55%            
The Williams Companies, Inc. [Member] | 7.5% Debentures due 2031 [Member]              
Long-term Debt              
Long-term debt $ 339       339    
Long-term debt interest rate 7.50%            
The Williams Companies, Inc. [Member] | 7.75% Senior Unsecured Notes due 2031 [Member]              
Long-term Debt              
Long-term debt $ 252       252    
Long-term debt interest rate 7.75%            
The Williams Companies, Inc. [Member] | 8.75% Senior Unsecured Notes due 2032 [Member]              
Long-term Debt              
Long-term debt $ 445       445    
Long-term debt interest rate 8.75%            
The Williams Companies, Inc. [Member] | 5.75% Senior Unsecured Notes due 2044 [Member]              
Long-term Debt              
Long-term debt $ 650       650    
Long-term debt interest rate 5.75%            
The Williams Companies, Inc. [Member] | Various - 5.5% to 10.25% Senior Unsecured Notes and Debentures due 2019 to 2033 [Member]              
Long-term Debt              
Long-term debt $ 55       $ 55    
The Williams Companies, Inc. [Member] | Various - 5.5% to 10.25% Senior Unsecured Notes and Debentures due 2019 to 2033 Minimum Interest Rate [Member]              
Long-term Debt              
Long-term debt interest rate 5.50%            
The Williams Companies, Inc. [Member] | Various - 5.5% to 10.25% Senior Unsecured Notes and Debentures due 2019 to 2033 Maximum Interest Rate [Member]              
Long-term Debt              
Long-term debt interest rate 10.25%            
[1] Presented as long-term debt at December 31, 2015, due to Transco’s intent and ability to refinance.
[2] In managing our available liquidity, we do not expect a maximum outstanding amount in excess of the capacity of our credit facility inclusive of any outstanding amounts under our commercial paper program.