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Condensed Parent Company Financial Statements Condensed Parent Company Financial Statements (Tables) | 12 Months Ended
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Dec. 31, 2013
Condensed Financial Information of Parent Company Only Disclosure [Abstract] |
Condensed Statements of Income | ALLIANT ENERGY CORPORATION (Parent Company Only) CONDENSED STATEMENTS OF INCOME
| Year Ended December 31,
| 2013 |  | 2012 |  | 2011
| (in millions)
Operating revenues |  | $2 |  |  |  | $2 |  |  |  | $4 |
Operating expenses | 1 |  |  | 1 |  |  | 1 |
Operating income | 1 |  |  | 1 |  |  | 3 |
Interest expense and other: |  |  |  |  |
Equity earnings from consolidated subsidiaries | (362 | ) |  | (322 | ) |  | (304 | )
Interest expense | 11 |  |  | 11 |  |  | 11 |
Interest income | (2 | ) |  | (4 | ) |  | (2 | )
Total interest expense and other | (353 | ) |  | (315 | ) |  | (295 | )
Income before income taxes | 354 |  |  | 316 |  |  | 298 |
Income tax benefit | (4 | ) |  | (4 | ) |  | (5 | )
Net income |  | $358 |  |  |  | $320 |  |  |  | $303 |
The accompanying Notes to Condensed Financial Statements are an integral part of these statements.
Condensed Balance Sheets | ALLIANT ENERGY CORPORATION (Parent Company Only) CONDENSED BALANCE SHEETS
| December 31,
| 2013 |  | 2012
| (in millions)
ASSETS |  |  |
Current assets: |  |  |
Notes receivable from affiliated companies |  | $72 |  |  |  | $77 |
Other | 3 |  |  | 2 |
| 75 |  |  | 79 |
Investments: |  |  |
Investments in consolidated subsidiaries | 3,585 |  |  | 3,447 |
Other | 14 |  |  | 20 |
| 3,599 |  |  | 3,467 |
Other assets | 6 |  |  | 5 |
Total assets |  | $3,680 |  |  |  | $3,551 |
The accompanying Notes to Condensed Financial Statements are an integral part of these statements. ALLIANT ENERGY CORPORATION (Parent Company Only) CONDENSED BALANCE SHEETS (continued)
| December 31,
| 2013 |  | 2012
| (in millions)
CAPITALIZATION AND LIABILITIES |  |  |
Capitalization: |  |  |
Common stock and additional paid-in capital |  | $1,509 |  |  |  | $1,512 |
Retained earnings | 1,777 |  |  | 1,627 |
Accumulated other comprehensive loss | — |  |  | (1 | )
Shares in deferred compensation trust | (8 | ) |  | (7 | )
Total common equity | 3,278 |  |  | 3,131 |
Long-term debt, net | — |  |  | 250 |
| 3,278 |  |  | 3,381 |
Current liabilities: |  |  |
Current maturities of long-term debt | 250 |  |  | — |
Commercial paper | 96 |  |  | 105 |
Other | 10 |  |  | 21 |
| 356 |  |  | 126 |
Other long-term liabilities and deferred credits: |  |  |
Deferred income taxes | 39 |  |  | 38 |
Other | 7 |  |  | 6 |
| 46 |  |  | 44 |
Total capitalization and liabilities |  | $3,680 |  |  |  | $3,551 |
The accompanying Notes to Condensed Financial Statements are an integral part of these statements.
Condensed Statements of Cash Flows | ALLIANT ENERGY CORPORATION (Parent Company Only) CONDENSED STATEMENTS OF CASH FLOWS
| Year Ended December 31,
| 2013 |  | 2012 |  | 2011
| (in millions)
Net cash flows from operating activities |  | $238 |  |  |  | $260 |  |  |  | $193 |
Cash flows used for investing activities: |  |  |  |  |  |  |  |
Capital contributions to consolidated subsidiaries | (120 | ) |  | (230 | ) |  | (144 | )
Capital repayments from consolidated subsidiaries | 95 |  |  | — |  |  | 101 |
Net change in notes receivable from affiliates | 5 |  |  | 134 |  |  | — |
Other | (2 | ) |  | 1 |  |  | — |
Net cash flows used for investing activities | (22 | ) |  | (95 | ) |  | (43 | )
Cash flows used for financing activities: |  |  |  |  |  |  |  |
Common stock dividends | (208 | ) |  | (199 | ) |  | (188 | )
Net change in borrowings with affiliates | — |  |  | — |  |  | (155 | )
Net change in commercial paper | (9 | ) |  | 35 |  |  | 70 |
Other | 1 |  |  | (1 | ) |  | — |
Net cash flows used for financing activities | (216 | ) |  | (165 | ) |  | (273 | )
Net decrease in cash and cash equivalents | — |  |  | — |  |  | (123 | )
Cash and cash equivalents at beginning of period | — |  |  | — |  |  | 123 |
Cash and cash equivalents at end of period |  | $— |  |  |  | $— |  |  |  | $— |
Supplemental cash flows information: |  |  |  |  |  |  |  |
Cash paid (refunded) during the period for: |  |  |  |  |  |  |  |
Interest, net of capitalized interest |  | $13 |  |  |  | $11 |  |  |  | $11 |
Income taxes, net of refunds | 7 |  |  | (29 | ) |  | (6 | )
The accompanying Notes to Condensed Financial Statements are an integral part of these statements.

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