CONSOLIDATED STATEMENTS OF CASH FLOWS - I&M - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:
Depreciation and Amortization	$ 3,380	$ 3,290	$ 3,090
Deferred Income Taxes	311	58	185
Asset Impairments and Other Related Charges	66	143	86
Allowance for Equity Funds Used During Construction	(245)	(211)	(175)
Mark-to-Market of Risk Management Contracts	(116)	(81)	9
Amortization of Nuclear Fuel	109	103	97
Deferred Fuel Over/Under-Recovery, Net	133	277	893
Change in Other Noncurrent Assets	(559)	(348)	(446)
Change in Other Noncurrent Liabilities	269	306	29
Changes in Certain Components of Working Capital:
Accounts Receivable, Net	(246)	(156)	236
Fuel, Materials and Supplies	115	172	(504)
Accounts Payable	252	85	(253)
Accrued Taxes, Net	32	240	22
Other Current Assets	85	(13)	(44)
Other Current Liabilities	103	182	(162)
Net Cash Flows from Operating Activities	6,944	6,804	5,012
INVESTING ACTIVITIES
Construction Expenditures	(8,453)	(7,631)	(7,378)
Purchases of Investment Securities	(2,981)	(2,923)	(2,864)
Sales of Investment Securities	2,935	2,878	2,795
Acquisitions of Nuclear Fuel	(130)	(140)	(128)
Other Investing Activities	118	143	122
Net Cash Flows Used for Investing Activities	(11,939)	(7,596)	(6,267)
FINANCING ACTIVITIES
Issuance of Long-term Debt	8,261	5,117	5,463
Retirement of Long-term Debt	(3,649)	(2,685)	(2,196)
Principal Payments for Finance Lease Obligations	(51)	(65)	(68)
Dividends Paid on Common Stock	(2,008)	(1,898)	(1,752)
Net Cash Flows from Financing Activities	5,017	659	1,077
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash	22	(133)	(178)
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	246	379	557
Cash, Cash Equivalents and Restricted Cash at End of Period	268	246	379
SUPPLEMENTARY INFORMATION
Cash Paid for Interest, Net of Capitalized Amounts	1,894	1,838	1,674
Noncash Acquisitions Under Finance Leases	44	30	49
Construction Expenditures Included in Current Liabilities as of December 31,	1,935	1,312	842
Acquisition of Nuclear Fuel Included in Current Liabilities as of December 31,	10	24	24
INDIANA MICHIGAN POWER COMPANY
OPERATING ACTIVITIES
Net Income	414	391	336
Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:
Depreciation and Amortization	514	481	470
Deferred Income Taxes	(13)	(117)	(54)
Amortization (Deferral) of Incremental Nuclear Refueling Outage Expenses, Net	(39)	13	26
Asset Impairments and Other Related Charges	7	13	0
Allowance for Equity Funds Used During Construction	(18)	(13)	(11)
Mark-to-Market of Risk Management Contracts	8	20	(22)
Amortization of Nuclear Fuel	109	103	97
Deferred Fuel Over/Under-Recovery, Net	20	(9)	56
Change in Other Noncurrent Assets	(59)	(17)	(81)
Change in Other Noncurrent Liabilities	98	41	47
Changes in Certain Components of Working Capital:
Accounts Receivable, Net	(47)	(23)	71
Fuel, Materials and Supplies	12	1	(61)
Accounts Payable	57	(45)	23
Accrued Taxes, Net	(22)	(3)	2
Other Current Assets	10	2	(6)
Other Current Liabilities	45	32	(13)
Net Cash Flows from Operating Activities	1,096	870	880
INVESTING ACTIVITIES
Construction Expenditures	(646)	(583)	(550)
Change in Advances to Affiliates, Net	(192)	0	23
Purchases of Investment Securities	(2,959)	(2,902)	(2,845)
Sales of Investment Securities	2,909	2,851	2,788
Acquisitions of Nuclear Fuel	(130)	(140)	(128)
Other Investing Activities	33	6	5
Net Cash Flows Used for Investing Activities	(985)	(768)	(707)
FINANCING ACTIVITIES
Capital Contribution from Parent	21	16	9
Return of Capital to Parent	0	(2)	0
Issuance of Long-term Debt	351	80	565
Change in Advances from Affiliates, Net	(127)	64	(187)
Retirement of Long-term Debt	(300)	(103)	(343)
Principal Payments for Finance Lease Obligations	(6)	(7)	(7)
Dividends Paid on Common Stock	(50)	(150)	(212)
Net Cash Flows from Financing Activities	(111)	(102)	(175)
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash	0	0	(2)
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	2	2	4
Cash, Cash Equivalents and Restricted Cash at End of Period	2	2	2
SUPPLEMENTARY INFORMATION
Cash Paid for Interest, Net of Capitalized Amounts	145	144	132
Noncash Acquisitions Under Finance Leases	2	2	5
Construction Expenditures Included in Current Liabilities as of December 31,	94	77	68
Acquisition of Nuclear Fuel Included in Current Liabilities as of December 31,	$ 10	$ 24	$ 24