XML 33 R6.htm IDEA: XBRL DOCUMENT v3.21.1
CONSOLIDATED STATEMENTS OF CHANGES IN PROPRIETARY CAPITAL (UNAUDITED) - USD ($)
 3 Months Ended 6 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Sep. 30, 2020
Dec. 31, 2019
Sep. 30, 2019
Power Program Appropriation Investment $ 258,000,000   $ 258,000,000     $ 258,000,000    
Power Program Retained Earnings 12,815,000,000   12,815,000,000     12,177,000,000    
Nonpower Programs Appropriation Investment, Net 544,000,000   544,000,000     548,000,000    
Accumulated Other Comprehensive Income (Loss) from Net Gains (Losses) on Cash Flow Hedges 22,000,000   22,000,000     (51,000,000)    
Total Proprietary Capital 13,639,000,000 $ 11,979,000,000 13,639,000,000 $ 11,979,000,000 $ 13,167,000,000 12,932,000,000 $ 11,832,000,000 $ 11,625,000,000
Net income (loss) 456,000,000 255,000,000 640,000,000 447,000,000        
Total other comprehensive income (loss) 17,000,000 (107,000,000) 73,000,000 (90,000,000)        
Return on power program appropriation investment (1,000,000) (1,000,000) (2,000,000) (3,000,000)        
New Accounting Standard - CECL (4,000,000)              
Power Program Appropriation Investment                
Power Program Appropriation Investment 258,000,000 258,000,000 258,000,000 258,000,000 258,000,000 258,000,000 258,000,000 258,000,000
Net income (loss) 0 0 0 0        
Total other comprehensive income (loss) 0 0 0 0        
Return on power program appropriation investment 0 0 0 0        
New Accounting Standard - CECL 0              
Power Program Retained Earnings                
Power Program Retained Earnings 12,815,000,000 11,271,000,000 12,815,000,000 11,271,000,000 12,358,000,000 12,177,000,000 11,015,000,000 10,823,000,000
Net income (loss) 458,000,000 257,000,000 644,000,000 451,000,000        
Total other comprehensive income (loss) 0 0 0 0        
Return on power program appropriation investment (1,000,000) (1,000,000) (2,000,000) (3,000,000)        
New Accounting Standard - CECL (4,000,000)              
Nonpower Programs Appropriation Investment, Net                
Nonpower Programs Appropriation Investment, Net 544,000,000 552,000,000 544,000,000 552,000,000 546,000,000 548,000,000 554,000,000 556,000,000
Net income (loss) (2,000,000) (2,000,000) (4,000,000) (4,000,000)        
Total other comprehensive income (loss) 0 0 0 0        
Return on power program appropriation investment 0 0 0 0        
New Accounting Standard - CECL 0              
Accumulated Other Comprehensive Income (Loss) from Net Gains (Losses) on Cash Flow Hedges                
Accumulated Other Comprehensive Income (Loss) from Net Gains (Losses) on Cash Flow Hedges 22,000,000 (102,000,000) 22,000,000 (102,000,000) $ 5,000,000 $ (51,000,000) $ 5,000,000 $ (12,000,000)
Net income (loss) 0 0 0 0        
Total other comprehensive income (loss) 17,000,000 (107,000,000) 73,000,000 (90,000,000)        
Return on power program appropriation investment 0 $ 0 $ 0 $ 0        
New Accounting Standard - CECL $ 0