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v3.10.0.1

Condensed Parent Company Financial Statements (Condensed Balance Sheet) (Details) - USD ($) $ in Millions | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | --- | ---
Current assets: |  |  |
Other | $ 80.0 | $ 46.4 |
Total current assets | 785.1 | 905.1 |
Investments: |  |  |
Other | 137.7 | 121.9 |
Total investments | 431.3 | 396.1 |
Other assets | 89.7 | 69.7 |
Total assets | 15,426.0 | 14,187.8 | $ 13,373.8
Current liabilities: |  |  |
Commercial paper | 441.2 | 320.2 |
Other | 260.4 | 260.8 |
Total current liabilities | 1,644.1 | 2,149.0 |
Other liabilities | 287.2 | 306.4 |
Common Equity: |  |  |
Retained earnings | 2,545.9 | 2,346.0 |
Accumulated other comprehensive income (loss) | 1.7 | (0.5) |
Shares in deferred compensation trust | (9.8) | (11.1) |
Total common equity | 4,585.7 | 4,182.2 | $ 4,062.0
Total liabilities and equity | 15,426.0 | 14,187.8 |
Parent Company [Member] |  |  |
Current assets: |  |  |
Notes receivable from affiliated companies | 23.0 | 50.0 |
Other | 4.0 | 7.0 |
Total current assets | 27.0 | 57.0 |
Investments: |  |  |
Investments in consolidated subsidiaries | 5,518.0 | 4,676.0 |
Other | 1.0 | 2.0 |
Total investments | 5,519.0 | 4,678.0 |
Other assets | 81.0 | 78.0 |
Total assets | 5,627.0 | 4,813.0 |
Current liabilities: |  |  |
Commercial paper | 285.0 | 295.0 |
Notes payable to affiliated companies | 719.0 | 305.0 |
Other | 21.0 | 12.0 |
Total current liabilities | 1,025.0 | 612.0 |
Other liabilities | 17.0 | 20.0 |
Common Equity: |  |  |
Common stock and additional paid-in capital | 2,048.0 | 1,848.0 |
Retained earnings | 2,545.0 | 2,344.0 |
Accumulated other comprehensive income (loss) | 2.0 | 0.0 |
Shares in deferred compensation trust | (10.0) | (11.0) |
Total common equity | 4,585.0 | 4,181.0 |
Total liabilities and equity | $ 5,627.0 | $ 4,813.0 |

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