v3.26.1
Condensed Statements of Cash Flows (Unaudited) - MPC - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Operating Activities:    
Net income $ 2,531 $ 2,214
Adjustments to reconcile net income to net cash provided from operating activities —    
Depreciation and amortization, total 3,176 2,860
Deferred income taxes 310 453
Pension, postretirement, and other employee benefits (277) (253)
Settlement of asset retirement obligations (283) (285)
Other, net (87) 76
Changes in certain current assets and liabilities —    
Receivables 116 (130)
Retail fuel cost under recovery 188 158
Other current assets (60) 61
Accounts payable (403) (695)
Accrued taxes (221) (245)
Accrued compensation (459) (421)
Other current liabilities 105 (141)
Net cash provided from operating activities 4,280 3,431
Investing Activities:    
Property additions (6,639) (5,456)
Contributions in aid of construction 313 219
Cost of removal, net of salvage (349) (304)
Other investing activities (83) (193)
Net cash used for investing activities (6,758) (5,734)
Financing Activities:    
Increase in notes payable, net 1,415  
Increase (decrease) in notes payable, net   (150)
Payment of common stock dividends (1,579) (1,494)
Other financing activities (233) (150)
Net cash provided from financing activities 3,828 2,467
Net Change in Cash, Cash Equivalents, and Restricted Cash 1,350 164
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period 1,640 1,101
Cash, Cash Equivalents, and Restricted Cash at End of Period 2,990 1,265
Supplemental Cash Flow Information:    
Interest 1,472 1,287
Income taxes, net (excludes credit transfers) 146 199
Noncash transactions —    
Accrued property additions at end of period 1,409 1,091
Right-of-use assets obtained under operating leases 107 114
Mississippi Power    
Operating Activities:    
Net income 112 114
Adjustments to reconcile net income to net cash provided from operating activities —    
Depreciation and amortization, total 125 115
Deferred income taxes 14 4
Pension, postretirement, and other employee benefits (9) (8)
Settlement of asset retirement obligations (12) (7)
Other, net (3) (7)
Changes in certain current assets and liabilities —    
Receivables (11) (26)
Retail fuel cost under recovery (14) (28)
Fossil fuel stock 0 20
Other current assets (8) 8
Accounts payable (23) (22)
Accrued taxes (57) (49)
Accrued compensation (21) (22)
Wholesale fuel cost over recovery 0 (15)
Other current liabilities 0 1
Net cash provided from operating activities 93 78
Investing Activities:    
Property additions (185) (166)
Contributions in aid of construction 4 57
Cost of removal, net of salvage (18) (17)
Payments pursuant to LTSAs (11) (11)
Other investing activities 1 (8)
Net cash used for investing activities (209) (145)
Financing Activities:    
Increase in notes payable, net 38 18
Proceeds — Senior notes 75 100
Capital contributions from parent company 97 57
Payment of common stock dividends (96) (97)
Other financing activities (2) (2)
Net cash provided from financing activities 112 76
Net Change in Cash, Cash Equivalents, and Restricted Cash (4) 9
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period 26 13
Cash, Cash Equivalents, and Restricted Cash at End of Period 22 22
Supplemental Cash Flow Information:    
Interest 40 37
Income taxes, net (excludes credit transfers) 23 21
Noncash transactions —    
Accrued property additions at end of period 42 30
Right-of-use assets obtained under operating leases $ 3 $ 0