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Consolidated Statements of Cash Flows - GAS - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Operating Activities: |  |  |
Consolidated net income | $ 3,849 | $ 3,428 | $ 2,309
Adjustments to reconcile consolidated net income to net cash provided from operating activities — |  |  |
Depreciation and amortization, total | 4,986 | 4,064 | 3,973
Deferred income taxes | 63 | 670 | (49)
Natural gas cost under recovery – long-term | 0 | 207 | (207)
Other, net | (138) | (25) | (89)
Changes in certain current assets and liabilities — |  |  |
-Receivables | 482 | (771) | (77)
-Natural gas cost under recovery | 108 | 158 | (266)
-Other current assets | (106) | (186) | (270)
-Accounts payable | (863) | 1,021 | (8)
-Other current liabilities | 214 | 204 | (258)
Net cash provided from operating activities | 7,553 | 6,302 | 6,169
Investing Activities: |  |  |
Property additions | (9,095) | (7,923) | (7,586)
Cost of removal, net of salvage | (592) | (649) | (442)
Change in construction payables, net | 18 | 203 | (124)
Proceeds from dispositions | 164 | 275 | 917
Other investing activities | (43) | (133) | 75
Net cash used for investing activities | (9,668) | (8,430) | (7,353)
Financing Activities: |  |  |
Increase (decrease) in notes payable, net |  | (337) |
Increase (decrease) in notes payable, net | 973 |  | 530
Proceeds — |  |  |
Short-term borrowings | 350 | 2,650 | 325
Redemptions and repurchases — |  |  |
Short-term borrowings | (1,630) | (1,150) | (25)
Payment of common stock dividends | (3,035) | (2,907) | (2,777)
Other financing activities | (160) | (218) | (266)
Net cash provided from financing activities | 999 | 2,336 | 1,945
Net Change in Cash, Cash Equivalents, and Restricted Cash | (1,116) | 208 | 761
Cash, Cash Equivalents, and Restricted Cash at Beginning of Year | 2,037 | 1,829 | 1,068
Cash, Cash Equivalents, and Restricted Cash at End of Year | 921 | 2,037 | 1,829
Supplemental Cash Flow Information: |  |  |
Interest, net of amounts capitalized | 2,184 | 1,758 | 1,718
Income taxes, net | 132 | 146 | 93
Noncash transactions — |  |  |
Accrued property additions at year-end | 1,027 | 1,024 | 866
Southern Company Gas |  |  |
Operating Activities: |  |  |
Consolidated net income | 615 | 572 | 539
Adjustments to reconcile consolidated net income to net cash provided from operating activities — |  |  |
Depreciation and amortization, total | 582 | 558 | 536
Deferred income taxes | 126 | 17 | 259
Impairment charges | 0 | 131 | 84
Gain on dispositions, net | (7) | (4) | (127)
Mark-to-market adjustments | (7) | 12 | 194
Natural gas cost under recovery – long-term | 0 | 207 | (207)
Estimated loss on regulatory disallowance | (96) | 0 | 0
Other, net | (60) | (32) | (30)
Changes in certain current assets and liabilities — |  |  |
-Receivables | 431 | (345) | (143)
-Natural gas for sale, net of temporary LIFO liquidation | 19 | (77) | 8
-Prepaid income taxes | (11) | 19 | (82)
-Natural gas cost under recovery | 108 | 158 | (266)
-Other current assets | (17) | (6) | (116)
-Accounts payable | (276) | 299 | 40
-Natural gas cost over recovery | 214 | 0 | 0
-Other current liabilities | (51) | 10 | (26)
Net cash provided from operating activities | 1,762 | 1,519 | 663
Investing Activities: |  |  |
Property additions | (1,561) | (1,533) | (1,421)
Cost of removal, net of salvage | (104) | (112) | (106)
Change in construction payables, net | (38) | 65 | (29)
Investments in unconsolidated subsidiaries | (11) | (165) | (5)
Proceeds from dispositions | 42 | 150 | 150
Other investing activities | 16 | 15 | 32
Net cash used for investing activities | (1,656) | (1,580) | (1,379)
Financing Activities: |  |  |
Increase (decrease) in notes payable, net | (153) | (341) |
Increase (decrease) in notes payable, net |  |  | 585
Proceeds — |  |  |
Senior notes | 500 | 500 | 450
First mortgage bonds | 275 | 175 | 200
Short-term borrowings | 0 | 50 | 300
Other long-term debt | 37 | 22 | 0
Redemptions and repurchases — |  |  |
Senior notes | 0 | 0 | (300)
Short-term borrowings | (200) | (150) | 0
Medium-term notes | (350) | (46) | (30)
First mortgage bonds | (50) | 0 | 0
Capital contributions from parent company | 373 | 406 | 72
Payment of common stock dividends | (585) | (519) | (530)
Other financing activities | (1) | (1) | (2)
Net cash provided from financing activities | (154) | 96 | 745
Net Change in Cash, Cash Equivalents, and Restricted Cash | (48) | 35 | 29
Cash, Cash Equivalents, and Restricted Cash at Beginning of Year | 83 | 48 | 19
Cash, Cash Equivalents, and Restricted Cash at End of Year | 35 | 83 | 48
Supplemental Cash Flow Information: |  |  |
Interest, net of amounts capitalized | 291 | 258 | 244
Income taxes, net | 91 | 208 | 57
Noncash transactions — |  |  |
Accrued property additions at year-end | $ 139 | $ 177 | $ 113

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