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Consolidated Statements of Cash Flows - GAS - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Operating Activities: |  |  |
Consolidated net income | $ 2,309 | $ 3,103 | $ 4,744
Adjustments to reconcile consolidated net income to net cash provided from operating activities — |  |  |
Depreciation and amortization, total | 3,973 | 3,905 | 3,331
Deferred income taxes | (49) | (241) | 611
Pension and postretirement funding | 0 | (2) | (1,136)
Gain on dispositions, net | (176) | (66) | (2,588)
Natural gas cost under recovery – long-term | (207) | 0 | 0
Other, net | 86 | (74) | 115
Changes in certain current assets and liabilities — |  |  |
-Receivables | (81) | (222) | 630
-Natural gas cost under recovery | (266) | 0 | 0
-Other current assets | (170) | (161) | 12
-Accounts payable | (8) | (27) | (693)
-Accrued taxes | (54) | 242 | 117
-Other current liabilities | (49) | 76 | (73)
Net cash provided from operating activities | 6,169 | 6,696 | 5,781
Investing Activities: |  |  |
Property additions | (7,240) | (7,441) | (7,555)
Cost of removal, net of salvage | (442) | (361) | (393)
Change in construction payables, net | (124) | 37 | (169)
Proceeds from dispositions | 917 | 1,049 | 5,122
Other investing activities | 74 | (16) | (107)
Net cash used for investing activities | (7,353) | (7,030) | (3,392)
Financing Activities: |  |  |
Increase (decrease) in notes payable, net | 530 |  | 640
Increase (decrease) in notes payable, net |  | (1,096) |
Proceeds — |  |  |
Short-term borrowings | 325 | 615 | 350
Redemptions and repurchases — |  |  |
Payment of common stock dividends | (2,777) | (2,685) | (2,570)
Other financing activities | (266) | (325) | (157)
Net cash provided from (used for) financing activities | 1,945 | (576) | (1,930)
Net Change in Cash, Cash Equivalents, and Restricted Cash | 761 | (910) | 459
Cash, Cash Equivalents, and Restricted Cash at Beginning of Year | 1,068 | 1,978 | 1,519
Cash, Cash Equivalents, and Restricted Cash at End of Year | 1,829 | 1,068 | 1,978
Supplemental Cash Flow Information: |  |  |
Interest, net of amounts capitalized | 1,718 | 1,683 | 1,651
Income taxes, net | 93 | 64 | 276
Noncash transactions — |  |  |
Accrued property additions at year-end | 866 | 989 | 932
Southern Company Gas |  |  |
Operating Activities: |  |  |
Consolidated net income | 539 | 590 | 585
Adjustments to reconcile consolidated net income to net cash provided from operating activities — |  |  |
Depreciation and amortization, total | 536 | 500 | 487
Deferred income taxes | 259 | 56 | 213
Pension and postretirement funding | 0 | 0 | (145)
Impairment charges | 84 | 0 | 115
Gain on dispositions, net | (127) | (22) | 0
Mark-to-market adjustments | 194 | 61 | (56)
Natural gas cost under recovery – long-term | (207) | 0 | 0
Other, net | (30) | (29) | (55)
Changes in certain current assets and liabilities — |  |  |
-Receivables | (143) | (93) | 467
-Natural gas for sale | 8 | 18 | 44
-Prepaid income taxes | (82) | 19 | 40
-Natural gas cost under recovery | (266) | 0 | 0
-Other current assets | (116) | (10) | 31
-Accounts payable | 40 | 103 | (520)
-Accrued taxes | 45 | 13 | (69)
-Accrued compensation | 23 | 7 | 1
-Other current liabilities | (94) | (6) | (71)
Net cash provided from operating activities | 663 | 1,207 | 1,067
Investing Activities: |  |  |
Property additions | (1,421) | (1,471) | (1,408)
Cost of removal, net of salvage | (106) | (100) | (82)
Change in construction payables, net | (29) | 20 | 24
Investments in unconsolidated subsidiaries | (5) | (79) | (31)
Returned investment in unconsolidated subsidiaries | 22 | 13 | 67
Proceeds from dispositions | 150 | 211 | 32
Other investing activities | 10 | (11) | 12
Net cash used for investing activities | (1,379) | (1,417) | (1,386)
Financing Activities: |  |  |
Increase (decrease) in notes payable, net | 585 |  |
Increase (decrease) in notes payable, net |  | (326) | 0
Proceeds — |  |  |
Senior notes | 450 | 500 | 0
Short-term borrowings | 300 | 0 | 0
First mortgage bonds | 200 | 325 | 300
Redemptions and repurchases — |  |  |
Senior notes | (300) | 0 | (300)
Medium-term notes | (30) | 0 | 0
First mortgage bonds | 0 | 0 | (50)
Capital contributions from parent company | 72 | 216 | 821
Payment of common stock dividends | (530) | (533) | (471)
Other financing activities | (2) | (2) | (2)
Net cash provided from (used for) financing activities | 745 | 180 | 298
Net Change in Cash, Cash Equivalents, and Restricted Cash | 29 | (30) | (21)
Cash, Cash Equivalents, and Restricted Cash at Beginning of Year | 19 | 49 | 70
Cash, Cash Equivalents, and Restricted Cash at End of Year | 48 | 19 | 49
Supplemental Cash Flow Information: |  |  |
Interest, net of amounts capitalized | 244 | 232 | 251
Income taxes, net | 57 | 25 | (41)
Noncash transactions — |  |  |
Accrued property additions at year-end | $ 113 | $ 142 | $ 122

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