XML 54 R43.htm IDEA: XBRL DOCUMENT v3.7.0.1
Debt - Components (Details) - USD ($)
$ in Millions
Jun. 30, 2017
Jan. 31, 2017
Dec. 31, 2016
Short-term debt:      
Total short-term debt $ 1,114   $ 1,715
Long-term debt:      
Senior notes, net of unamortized discounts and debt issuance costs of $72 and $76, respectively 9,878   9,874
Other long-term debt 162   250
Total long-term debt 10,040   10,124
Total debt 11,154   11,839
Commercial paper notes      
Long-term debt:      
Other long-term debt $ 159   $ 247
Weighted average interest rate, long-term 2.00%   1.60%
Senior notes      
Long-term debt:      
Senior notes, net of unamortized discounts and debt issuance costs of $72 and $76, respectively $ 9,878   $ 9,874
Unamortized discounts and debt issuance costs 72   76
Debt instrument face value 9,900   10,300
Other      
Long-term debt:      
Other long-term debt 3   3
Level 2 | Senior notes      
Long-term debt:      
Debt instrument fair value 10,100   10,400
Commercial paper notes      
Short-term debt:      
Short-term notes and borrowings $ 677   $ 563
Weighted average interest rate, short-term 2.00%   1.60%
Other      
Short-term debt:      
Total short-term debt $ 137   $ 2
Senior secured hedged inventory facility | Credit facility      
Short-term debt:      
Short-term notes and borrowings $ 300   $ 750
Weighted average interest rate, short-term 2.30%   1.80%
6.50% senior notes due May 2018 | Senior notes      
Short-term debt:      
Debt instrument, interest rate 6.50%    
Long-term debt:      
Debt instrument face value $ 600    
6.13 percent senior notes due January 2017 | Senior notes      
Short-term debt:      
Senior notes, current     $ 400
Debt instrument, interest rate   6.13% 6.13%
Exchange Traded      
Short-term debt:      
Total short-term debt $ 12   $ 410