XML 77 R53.htm IDEA: XBRL DOCUMENT v3.10.0.1
Debt and Other Obligations Debt Outstanding (Details) - USD ($)
$ in Millions
 3 Months Ended
Dec. 31, 2018
Sep. 30, 2018
Short-term debt    
Short-term debt, net $ 2,333 $ 1,216
Current maturities of power bonds 32 1,032
Current maturities of long-term debt of variable interest entities 38 38
Current maturities of notes payable 45 46
Total current debt outstanding, net 2,448 2,332
Long-term debt    
Long-term power bonds [1] 20,283 20,300
Long-term debt of variable interest entities 1,127 1,127
Long-term notes payable 22 23
Unamortized discounts, premiums, issues costs, and other (140) (143)
Total long-term debt, net 21,292 21,307
Total outstanding debt 23,740 23,639
Net exchange gain from currency transactions $ 163 $ 147
[1] Includes net exchange gain from currency transactions of $163 million and $147 million at December 31, 2018, and September 30, 2018, respectively.