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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDER'S EQUITY (USD $) In Millions | Total | Common Stock [Member] | Retained Earnings [Member] | Retained Earnings [Member] Exelis and Xylem [Member] | Accumulated Other Comprehensive Loss [Member] | Accumulated Other Comprehensive Loss [Member] Exelis and Xylem [Member]
--- | --- | --- | --- | --- | --- | ---
Cumulative translation adjustment, beginning balance at Dec. 31, 2009 |  |  |  |  |  | $ 350.2 |
Unrealized (loss) gain on investment securities, beginning balance at Dec. 31, 2009 |  |  |  |  |  | 12.1 |
Total shareholders' equity, beginning balance at Dec. 31, 2009 | 3,826.8 |  |  |  |  |  |
Postretirement benefit plans, beginning balance at Dec. 31, 2009 |  |  |  |  |  | (1,388.2) |
Common stock, beginning balance at Dec. 31, 2009 |  |  | 90.8 |  |  |  |
Retained earnings, beginning balance at Dec. 31, 2009 |  |  |  | 4,761.9 |  |  |
Common stock, beginning balance, shares at Dec. 31, 2009 |  |  | 90.8 |  |  |  |
Net income (loss) | 804.3 |  |  | 804.3 |  |  |
Activity from stock incentive plans |  |  | 0.8 |  |  |  |
Cash dividends declared on common stock |  |  |  | (184.0) |  |  |
Activity from stock incentive plans |  |  | 0.8 | 65.6 |  |  |
Share repurchases |  |  | (0.1) | (5.9) |  |  |
Share repurchases, shares |  |  | 0.8 |  |  |  |
Net change in postretirement benefit plans | 28.7 |  |  |  |  |  | 28.7
Net cumulative translation adjustment |  |  |  |  |  |  | (74.4)
Net change in unrealized gain (loss) on investment securities | 0.6 |  |  |  |  | (0.6) |
Total accumulated other comprehensive loss |  |  |  |  |  | (1,072.2) |
Net change in common stock | 0.7 |  |  |  |  |  |
Net change in retained earnings | 680.0 |  |  |  |  |  |
Net change in accumulated other comprehensive loss | (46.3) |  |  |  |  |  |
Cumulative translation adjustments, ending balance at Dec. 31, 2010 |  |  |  |  |  | 275.8 |
Unrealized (loss) gain on investment securities, ending balance at Dec. 31, 2010 |  |  |  |  |  | 11.5 |
Total shareholders' equity, ending balance at Dec. 31, 2010 | 4,461.2 |  |  |  |  |  |
Postretirement benefit plans, ending balance at Dec. 31, 2010 |  |  |  |  |  | (1,359.5) |
Common stock, ending balance at Dec. 31, 2010 |  |  | 91.5 |  |  |  |
Retained earnings, ending balance at Dec. 31, 2010 |  |  |  | 5,441.9 |  |  |
Common stock, ending balance, shares at Dec. 31, 2010 |  |  | 91.5 |  |  |  |
Net income (loss) | (129.5) |  |  | (129.5) |  |  |
Activity from stock incentive plans |  |  | 1.7 |  |  |  |
Cash dividends declared on common stock |  |  |  | (147.2) |  |  |
Activity from stock incentive plans |  |  | 1.7 | 103.4 |  |  |
Share repurchases |  |  | (0.1) | (6.5) |  |  |
Share repurchases, shares |  |  | (0.1) |  |  |  |
Distribution of Exelis and Xylem - Retained Earnings |  |  |  |  | (4,409.5) |  |
Net change in postretirement benefit plans | (508.5) |  |  |  |  |  | (508.5)
Distribution of Exelis and Xylem - AOCI Postretirement Plans |  |  |  |  |  | 1,714.8 |
Net cumulative translation adjustment |  |  |  |  |  |  | (38.8)
Distribution of Exelis and Xylem - AOCI Foreign Currency Translation Adjustment |  |  |  |  |  | (333.4) |
Net change in unrealized gain (loss) on investment securities | 12.8 |  |  |  |  | (12.8) |
Total accumulated other comprehensive loss |  |  |  |  |  | (250.9) |
Net change in common stock | 1.6 |  |  |  |  |  |
Net change in retained earnings | (4,589.3) |  |  |  |  |  |
Net change in accumulated other comprehensive loss | 821.3 |  |  |  |  |  |
Cumulative translation adjustments, ending balance at Dec. 31, 2011 | (96.4) |  |  |  |  | (96.4) |
Unrealized (loss) gain on investment securities, ending balance at Dec. 31, 2011 | (1.3) |  |  |  |  | (1.3) |
Total shareholders' equity, ending balance at Dec. 31, 2011 | 694.8 |  |  |  |  |  |
Postretirement benefit plans, ending balance at Dec. 31, 2011 | (153.2) |  |  |  |  | (153.2) |
Common stock, ending balance at Dec. 31, 2011 | 93.1 | [1] | 93.1 |  |  |  |
Retained earnings, ending balance at Dec. 31, 2011 | 852.6 |  |  | 852.6 |  |  |
Common stock, ending balance, shares at Dec. 31, 2011 |  |  | 93.1 |  |  |  |
Net income (loss) | 125.4 |  |  | 125.4 |  |  |
Activity from stock incentive plans |  |  | 4.0 |  |  |  |
Cash dividends declared on common stock |  |  |  | (34.2) |  |  |
Activity from stock incentive plans |  |  | 4.0 | 74.1 |  |  |
Share repurchases | (113.4) |  | (5.2) | (111.6) |  |  |
Share repurchases, shares | 5.1 |  | (5.2) |  |  |  |
Distribution of Exelis and Xylem - Retained Earnings |  |  |  |  | (7.3) |  |
Purchase of noncontrolling interest |  |  |  | (0.2) |  |  |
Net change in postretirement benefit plans | (42.3) |  |  |  |  |  | (42.3)
Net cumulative translation adjustment |  |  |  |  |  |  | 4.7
Net change in unrealized gain (loss) on investment securities | (1.0) |  |  |  |  | 1.0 |
Total accumulated other comprehensive loss |  |  |  |  |  | (287.5) |
Net change in common stock | (1.2) |  |  |  |  |  |
Net change in retained earnings | 46.2 |  |  |  |  |  |
Net change in accumulated other comprehensive loss | (36.6) |  |  |  |  |  |
Cumulative translation adjustments, ending balance at Dec. 31, 2012 | (91.7) |  |  |  |  | (91.7) |
Unrealized (loss) gain on investment securities, ending balance at Dec. 31, 2012 | (0.3) |  |  |  |  | (0.3) |
Total shareholders' equity, ending balance at Dec. 31, 2012 | 703.2 |  |  |  |  |  |
Postretirement benefit plans, ending balance at Dec. 31, 2012 | (195.5) |  |  |  |  | (195.5) |
Common stock, ending balance at Dec. 31, 2012 | 91.9 | [1] | 91.9 |  |  |  |
Retained earnings, ending balance at Dec. 31, 2012 | $ 898.8 |  |  | $ 898.8 |  |  |
Common stock, ending balance, shares at Dec. 31, 2012 |  |  | 91.9 |  |  |  |
[1] | Shares issued and outstanding include unvested restricted common stock of 0.2 and 0.5 at December 31, 2012 and 2011, respectively.

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