Consolidated Statement of Cash Flows (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013
Cash Flows From Operating Activities:
Net income (loss)	$ 543		$ 257
Loss from discontinued operations, net of taxes	3		212
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	526		500
Amortization of nuclear fuel	70		46
Amortization of debt issuance costs and premium/discounts	16		18
Deferred income taxes and investment tax credits, net	370		258
Allowance for equity funds used during construction	(26)	[1]	(26)	[1]
Stock-based compensation costs	20		19
Other	(9)		14
Changes in assets and liabilities:
Receivables	16		(88)
Materials and supplies	(34)		7
Accounts and wages payable	(187)		(102)
Taxes accrued	100		104
Assets, other	(123)		20
Liabilities, other	(70)		(24)
Pension and other postretirement benefits	(27)		(34)
Counterparty collateral, net	20		34
Net cash provided by operating activities – continuing operations	1,208		1,215
Net cash provided by (used in) operating activities – discontinued operations	(5)		99
Net cash provided by operating activities	1,203		1,314
Cash Flows From Investing Activities:
Capital expenditures	(1,310)		(943)
Nuclear fuel expenditures	(28)		(34)
Purchases of securities - nuclear decommissioning trust fund	(365)		(147)
Sales and maturities of securities - nuclear decommissioning trust fund	354		134
Proceeds from Notes Receivable	79
Contributions to Note Receivable	(84)
Other	3		(1)
Net cash used in investing activities – continuing operations	(1,351)		(991)
Net cash provided by (used in) investing activities – discontinued operations	139		(42)
Net cash used in investing activities	(1,212)		(1,033)
Cash Flows From Financing Activities:
Dividends on common stock	(291)		(291)
Dividends paid to noncontrolling interest holders	(5)		(5)
Short-term debt, net	385
Repayments of Other Long-term Debt	(692)
Proceeds from Issuance of Long-term Debt	598
Capital Issuance Costs	(4)
Other	1
Net cash provided by (used in) financing activities – continuing operations	(8)		(296)
Net cash used in financing activities – discontinued operations
Net cash used in financing activities	(8)		(296)
Net change in cash and cash equivalents	(17)		(15)
Cash and cash equivalents at beginning of period	30		209
Cash and cash equivalents at end of period	13		194
Less cash and cash equivalents at end of period, discontinued operations			25
Cash and cash equivalents at beginning of period	30
Cash and cash equivalents at end of period	13		169
Union Electric Company
Cash Flows From Operating Activities:
Net income (loss)	398		365
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	329		313
Amortization of nuclear fuel	70		46
FAC prudence review charge			26
Amortization of debt issuance costs and premium/discounts	5		6
Deferred income taxes and investment tax credits, net	139		62
Allowance for equity funds used during construction	(24)		(22)
Other	1		1
Changes in assets and liabilities:
Receivables	(76)		(148)
Materials and supplies	3		27
Accounts and wages payable	(151)		(124)
Taxes accrued	(22)		260
Assets, other	(10)		59
Liabilities, other	6		(78)
Pension and other postretirement benefits	(8)		(12)
Net cash provided by operating activities	660		781
Cash Flows From Investing Activities:
Capital expenditures	(548)		(480)
Nuclear fuel expenditures	(28)		(34)
Money pool advances, net			24
Purchases of securities - nuclear decommissioning trust fund	(365)		(147)
Sales and maturities of securities - nuclear decommissioning trust fund	354		134
Other	(6)		(3)
Net cash used in investing activities	(593)		(506)
Cash Flows From Financing Activities:
Dividends on common stock	(268)		(320)
Dividends on preferred stock	(3)		(3)
Money pool borrowings, net	(105)
Redemptions of Long-term Debt	(104)
Short-term debt, net	65
Proceeds from Issuance of Long-term Debt	350
Capital Issuance Costs	(2)
Net cash used in financing activities	(67)		(323)
Net change in cash and cash equivalents			(48)
Cash and cash equivalents at beginning of period	1		148
Cash and cash equivalents at end of period	1		100
Ameren Illinois Company
Cash Flows From Operating Activities:
Net income (loss)	158		141
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	190		178
Amortization of debt issuance costs and premium/discounts	10		11
Deferred income taxes and investment tax credits, net	136		120
Other	(6)		(7)
Changes in assets and liabilities:
Receivables	80		66
Materials and supplies	(37)		(20)
Accounts and wages payable	1		31
Taxes accrued	(5)		(2)
Assets, other	(102)		(33)
Liabilities, other	(31)		1
Pension and other postretirement benefits	(12)		(13)
Counterparty collateral, net	14		34
Net cash provided by operating activities	396		507
Cash Flows From Investing Activities:
Capital expenditures	(633)		(462)
Other	6		6
Net cash used in investing activities	(627)		(456)
Cash Flows From Financing Activities:
Dividends on common stock			(45)
Dividends on preferred stock	(2)		(2)
Money pool borrowings, net	(40)		(3)
Redemptions of Long-term Debt	(163)
Short-term debt, net	189
Proceeds from Issuance of Long-term Debt	248
Capital Issuance Costs	(2)
Other	1
Net cash used in financing activities	231		(50)
Net change in cash and cash equivalents			1
Cash and cash equivalents at beginning of period	1
Cash and cash equivalents at end of period	$ 1		$ 1

[1] Includes amounts for Ameren registrant and nonregistrant subsidiaries and intercompany eliminations.