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CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($)
$ in Millions
3 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents $ 327  
Cash flows from operating activities    
Net income (loss) 192 $ 423
Adjustments to reconcile net income (loss) to net cash provided by operating activities    
Depreciation and amortization (including amortization of debt issuance costs and premiums/discounts) 590 350
Amortization of nuclear fuel cost 93 81
Non-cash retirement benefit expense 81 79
Amortization of Regulatory Asset (3) (22)
Changes in current assets and liabilities    
Accounts receivable, net 316 117
Inventories and other current assets, net (88) (67)
Accounts payable and accrued liabilities (213) (343)
Accrued interest 6 0
Pension contributions (75) (75)
Other, net (61) (85)
Net cash provided by operating activities 838 502
Cash flows from investing activities    
Construction expenditures (465) (500)
Nuclear fuel expenditures (117) (97)
Loans and other receivables    
Advances (2) 0
Repayments 1 2
Other, net (7) (6)
Net cash used in investing activities (590) (601)
Long-term debt    
Redemptions and repurchases of power bonds (218) (1,002)
Repayments of Other Long-term Debt 0 1
Short-term debt issues (redemptions), net (27) 1,105
Payments on leases and leasebacks (1) (1)
Other, net 3 0
Net cash provided by (used in) financing activities (243) 101
Net change in cash and cash equivalents 5 2
Cash and cash equivalents at end of period 304  
Significant non-cash transactions    
Accrued capital and nuclear fuel expenditures $ 254 $ 372