Consolidated Statements of Cash Flows

  Years Ended December 31
(In millions)   2005     2004     2003  
Cash Flows from Operating Activities                  
Net income (loss) $ 1,824   $ 1,490   $ (1,323 )
  Adjustments to reconcile net income (loss) to net cash
    provided by operating activities:
                 
    Depreciation and amortization (including amortization
      of nuclear fuel)
  1,884     2,037     1,987  
    Cumulative effect of change in accounting principle   4         162  
    Gains on sales of investments in commercial and
      multi-family real estate
  (191 )   (201 )   (103 )
    Gains on sales of equity investments and other assets   (1,646 )   (193 )   (86 )
    Impairment charges   36     194     3,495  
    Deferred income taxes   282     867     (534 )
    Minority interest   538     195     61  
    Equity in earnings of unconsolidated affiliates   (479 )   (161 )   (123 )
    Purchased capacity levelization   (14 )   92     194  
    Contribution to company-sponsored pension plans   (45 )   (279 )   (194 )
    (Increase) decrease in:                  
      Net realized and unrealized mark-to-market and
        hedging transactions
  468     216     (15 )
      Receivables   (255 )   (231 )   1,188  
      Inventory   (80 )   (48 )   (30 )
      Other current assets   (944 )   (33 )   (104 )
    Increase (decrease) in:                  
      Accounts payable   81     (5 )   (1,047 )
      Taxes accrued   53     188     (168 )
      Other current liabilities   622     91     70  
    Capital expenditures for residential real estate   (355 )   (322 )   (196 )
    Cost of residential real estate sold   294     268     167  
    Other, assets   191     (155 )   (162 )
    Other, liabilities   533     158     165  
      Net cash provided by operating activities   2,801     4,168     3,404  

Cash Flows from Investing Activities
                 
  Capital expenditures   (2,309 )   (2,161 )   (2,260 )
  Investment expenditures, net of refund   (43 )   (46 )   (153 )
  Acquisitions, net of cash acquired   (294 )        
  Purchases of available-for-sale securities   (41,073 )   (65,929 )   (40,451 )
  Proceeds from sales and maturites of available-for-sale
    securities
  40,887     65,098     40,004  
  Net proceeds from the sales of and distributions from
    equity investments and other assets, and sales of
    and collections on notes receivable
  2,375     1,619     1,976  
  Proceeds from the sales of commercial and multi-family
    real estate
  372     606     314  
  Settlement of net investment hedges and
    other investing derivatives
  (321 )        
  Distributions from equity investments   383          
  Other   (86)     20     (106 )
      Net cash used in investing activities   (109 )   (793 )   (676 )

Cash Flows from Financing Activities
                 
  Proceeds from the:                  
    Issuance of long-term debt   543     153     3,009  
    Issuance of common stock and common stock related
      to employee benefit plans
  41     1,704     277  
  Payments for the redemption of:                  
    Long-term debt   (1,346 )   (3,646 )   (2,849 )
    Preferred stock of a subsidiary       (176 )   (38 )
    Preferred and preference stock   (134 )          
    Guaranteed preferred beneficial interests in
      subordinated notes
          (250 )
  Notes payable and commercial paper   165     (67 )   (1,702 )
  Distributions to minority interests   (861 )   (1,477 )   (2,508 )
  Contributions from minority interests   779     1,277     2,432  
  Dividends paid   (1,105 )   (1,065 )   (1,051 )
  Repurchase of common shares   (933 )        
  Proceeds from Duke Energy Income Fund   110          
  Other   24     19     23  
      Net cash used in financing activities   (2,717 )   (3,278 )   (2,657 )
  Changes in cash and cash equivalents included in
    assets held for sale
  3     39     (55 )
  Net (decrease) increase in cash and cash equivalents   (22 )   136     16  
  Cash and cash equivalents at beginning of period   533     397     381  
  Cash and cash equivalents at end of period $ 511   $ 533   $ 397  

Supplemental Disclosures
                 
  Cash paid for interest, net of amount capitalized $ 1,089   $ 1,323   $ 1,324  
  Cash paid (refunded) for income taxes $ 546   $ (339 ) $ (18 )
  Significant non-cash transactions:                  
      Transfer of DEFS Canadian facilities $ 97   $   $  
      AFUDC–equity component $ 30   $ 25   $ 74  
      Conversion of convertible notes to stock $ 28   $   $  
      Debt retired in connection with disposition of businesses $   $ 840   $ 387  
      Note receivable from sale of southeastern plants $   $ 48   $  
      Remarketing of senior notes $   $ 1,625   $