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Consolidated Statements of Cash Flows - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Operating Activities      
Net Income $ 903 $ 1,371 $ 1,172
Adjustments to reconcile Net Income to Net cash from operating activities:      
Depreciation and amortization 1,459 1,443 1,263
Nuclear fuel amortization 58 37 60
Allowance for equity funds used during construction (27) (25) (24)
Deferred income taxes (32) 407 329
Equity earnings of equity method investees (97) (132) (111)
Dividends from equity method investees 79 142 160
Loss on extinguishment of debt 393 6 0
Asset (gains) losses and impairments, net 50 47 14
Changes in assets and liabilities:      
Accounts receivable, net (146) 111 49
Inventories (153) 45 59
Prepaid postretirement benefit costs (117) (107) (24)
Accounts payable 308 0 (288)
Accrued pension liability (458) (11) (29)
Accrued postretirement liability (49) 22 0
Derivative assets and liabilities 187 (23) (28)
Regulatory assets and liabilities 862 104 160
Other current and noncurrent assets and liabilities (153) 260 (113)
Net cash from operating activities 3,067 3,697 2,649
Investing Activities      
Plant and equipment expenditures — utility (3,633) (3,241) (2,724)
Plant and equipment expenditures — non-utility (139) (616) (273)
Acquisitions related to business combinations, net of cash acquired 0 (126) (2,470)
Proceeds from sale of assets 3 13 0
Proceeds from sale of nuclear decommissioning trust fund assets 1,047 2,350 788
Investment in nuclear decommissioning trust funds (1,046) (2,350) (794)
Distributions from equity method investees 18 24 10
Contributions to equity method investees (8) (37) (149)
Notes receivable (74) (85) (98)
Other (31) (2) (22)
Net cash used for investing activities (3,863) (4,070) (5,732)
Financing Activities      
Issuance of long-term debt, net of issuance costs 4,457 3,692 2,506
Redemption of long-term debt (3,522) (882) (821)
Issuance of equity units, net of issuance costs 0 0 1,265
Short-term borrowings, net 720   219
Short-term borrowings, net   (790)  
Issuance of common stock 0 2 1,023
Repurchase of common stock (66) 0 0
Dividends paid on common stock (791) (760) (692)
Contributions from noncontrolling interests, principally REF entities 44 36 38
Distributions to noncontrolling interests (45) (39) (59)
Purchases of noncontrolling interest, principally SGG 0 0 (300)
Acquisition related deferred payment, excluding accretion 0 (380) 0
Prepayment cost for extinguishment of long-term debt (361) 0 0
Transfer of cash to DT Midstream at separation (37) 0 0
Other (84) (83) (79)
Net cash from financing activities 315 796 3,100
Net Increase (Decrease) in Cash, Cash Equivalents, and Restricted Cash (481) 423 17
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period 516 93 76
Cash, Cash Equivalents, and Restricted Cash at End of Period 35 516 93
Supplemental disclosure of cash information      
Cash paid (received) for: Interest, net of interest capitalized 671 679 595
Cash paid (received) for: Income taxes [1] (3) (360) 18
Supplemental disclosure of non-cash investing and financing activities      
Plant and equipment expenditures in accounts payable 353 266 311
Separation of DT Midstream net assets, excluding cash transferred 3,973 0 0
Premium on equity units $ 0 $ 0 $ 150
[1] 2020 cash received primarily relates to AMT credit and other refunds, of which a portion was accelerated due to the CARES Act